This document provides information on various environmentally friendly building material technologies for low-cost housing, including:
- A cement plant that can produce cement from 300-12,000 tons per day.
- Lime-sand bricks that are a good substitute for clay bricks and can be produced at a rate of 30 million pieces per year.
- Cement-waste slag bricks that utilize waste materials and can be produced at 15 million pieces per year.
- Concrete hollow blocks that have a wide range of raw material sources and can be produced through simple, semi-automatic, or fully automatic processes at various rates.
It then describes additional building materials like decorative concrete blocks, lightweight concrete panels, foam concrete
Environment friendly building_material_technologies_for_low_cost_housing where u can use the various materials and there impact on enviroment
There implication with other materials .
Environment friendly building_material_technologies_for_low_cost_housing where u can use the various materials and there impact on enviroment
There implication with other materials .
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1. Environment Friendly Building
Material Technologies for
Low Cost Housing
International Centre for Materials Technology Promotion
EnvironmentUnited Nations Industrial DevelopmentCost Housing
Friendly Building Material Technologies for Low Organization
Beijing, P.R.China
1
3. Foreword (by Director CBMA)
The technologies from China presented here are selected by International Center for
Materials Technology Promotion (ICM)/China Building Materials Academy (CBMA).
These technologies are specially chosen for low-cost housing in the developing
countries. Low-cost housing technology is now keenly needed in most of these
countries, especially in African, Latin American, Asian regions and post-disaster
areas. I am sure that technologies from China, the largest developing countries, are the
most suitable for these countries.
ICM is one of the International Technology Centers established by UNIDO with the
support of Chinese government, with its premises in CBMA. During the past half
century, CBMA has made great contributions to the scientific and technological
advancement of Chinese building materials industry. CBMA has also actively
involved in most of the key engineering projects in China like the Green Olympic
2008 construction projects, Three Gorges Dam project, etc. I hope this technical
catalogue can be of great help for post-disaster rehabilitation and house building in
the developing countries.
I would like to acknowledge the contribution of Mr. T. N. Gupta, Former Executive
Director of Building Materials & Technology Promotion Council (BMTPC), Ministry
of Urban Development & Poverty Alleviation of India, who made his keen efforts to
guide the preparation of this catalogue.
Yao Yan
Professor
President of CBMA
Director of ICM
Beijing, China
April, 2005
Environment Friendly Building Material Technologies for Low Cost Housing
3
4. CBT
Cement plant (capacity from 300tpd to 12000tpd)
01 Cement plant (capacity from 300tpd to 12000tpd)
ICM can undertake the design and technical
service for various types of cement production
lines, from the most advanced large scale 12000t/d NSP line to small scale - 300t/d line.
Take 300t/d line as an example.
Use
For production of OPC or special cements
Production Capacity
Clinker output: 300t/day
Output: 12.5t clinker/hour or 14t cement/hour
Size of product
32.5# & 42.5# Portland cement (ISO679: 1989)
Properties of product
Compressive strength
(MPa)
Flexural strength
(MPa)
3d
28d
3d
28d
32.5OPC: 11.0
32.5 OPC: 32.5
32.5 OPC: 2.5
32.5 OPC: 5.5
42.5 OPC: 17.0
42.5 OPC: 42.5
42.5 OPC: 3.5
42.5 OPC: 6.5
Manufacturing process
Dry process for manufacturing cement. One ø3×48m rotary kiln with preheaters.
Land requirement
• Road: 8000m2
• Covered area: 8000m2
Raw Material
• Limestone,
• Clay,
• Ironstone,
• Gypsum.
Fuel: Coal or Petroleum.
Environment Friendly Building Material Technologies for Low Cost Housing
4
5. Manpower
Skilled (Nos.): 150
Unskilled (Nos.): 80
Main manufacturing workshops
No.
1
2
3
4
5
6
Workshop
Crusher department
Drying department
Raw mix preparation department
Clinker sintering department
Cement making department
Cement package department
hrs/day
8
8
22
24
22
8
days/week
6
6
6
7
6
6
hrs/week
48
48
132
168
132
48
Project cost
PROJECT COST
Main equipment
Essential Spareparts & tools
Civil engineering
Electricity transmission outside the
plant
Construction & installation
Other expenses
Working Capital
(one month)
US$ 9,181,000
US$ 3,616,000
US$ 100,000
US$ 3,532,000
US$ 223,000
US$ 1,165,000
US$ 645,000
US$ 1, 500,000
Environment Friendly Building Material Technologies for Low Cost Housing
Cement plant (capacity from 300tpd to 12000tpd)
Power
• Heat energy consumption: 4600kJ/kg clinker (1100 kcal/kg clinker)
• Electricity consumption: 125kW·h/t clinker
• Three phase
• Voltage: 380V
5
6. CBT
02
Lime-Sand Bricks
Use
For load bearing walls of low-rise buildings;
A good substitute for clay brick.
Production Capacity
30 million pieces of brick per year
Lime-Sand Bricks
Size of product
240×115×53mm
Properties of product
Compressive strength (MPa):
Flexural strength (MPa):
10
2.5
15
3.3
20
4.0
25
5.0
Main equipment
• Crushing machine,
• Ball mill, mixer,
• Brick forming machine,
• High pressure steam vessel,
• Boiler.
Land requirement
• Road: 10000m2
• Covered area: 800m2
Raw Material: Lime, sand.
Power
• KW: 40
• Three phase
• Voltage: 380V
Manpower: Skilled (Nos.): 3
Unskilled (Nos.): 30
Environment Friendly Building Material Technologies for Low Cost Housing
6
7. Project Cost
Total
Main equipment
Essential Spareparts & tools:
Metering equipment and conveying equipment, etc.
US$ 410,000
US$ 300,000
US$ 10,000
Civil Construction
Lime silo, boiler house, lime reaction silo, etc.
US$ 50,000
Design & installation
US$ 5,000
Other expenses
US$ 5,000
Working Capital
(one month)
US$ 40,000
Lime-Sand Bricks
Environment Friendly Building Material Technologies for Low Cost Housing
7
8. CBT
03
Cement-waste slag brick
Use
For load bearing walls of low-rise buildings.
Features
A lot of waste slag can be recycled.
Either natural curing or steam curing for bricks.
Cement-Waste Slag Brick
Production Capacity
15 million pieces/year
Size of product
240×115×53mm
Properties of product
• Compressive strength: 10-30MPa
• Flexural strength: 2.6kg-5.0MPa
• Water absorption: 12.2%-13%
Main equipment
• Mixer,
• Brick forming machine,
• Belt conveyer,
• Metering equipment.
Land requirement
Open: 10000m2 Workshop: 100 -200m2
Covered: 200m2
Raw Material
Waste slag (80%): fly ash, coal gangue, slag, etc.
Aggregate: stone powder or river sand
Bonding agent (20%): cement or gypsum.
Composition of each raw material for the product
Waste slag: fly ash, coal gangue, slag, etc.
Aggregate: stone powder or river sand
Bonding agent: cement.
Environment Friendly Building Material Technologies for Low Cost Housing
8
9. Power
• KW: 35
• Three phase
• Voltage: 380V
Manpower
Skilled (Nos.): 1
Unskilled (Nos.): 8
Project Cost
US$ 63,000
US$ 30,000
US$ 2,000
US$ 8,000
US$ 2,000
US$ 1,000
US$ 20,000
Environment Friendly Building Material Technologies for Low Cost Housing
Cement-Waste Slag Brick
Total
Main equipment
Essential Spareparts & tools
Civil Construction
Design & installation
Other expenses
Working Capital
(one month)
9
10. CBT
04 Concrete hollow block
Use
For walls
Features
Wide source of raw materials
Simple manufacturing process
High construction speed
The same process for Fly ash concrete
block
Concrete hollow block
The same process for Lightweight concrete hollow block
Size of product
390×190×190mm
Properties of product
Compressive strength (MPa):
10.0, 15.0, 20.0;
3.5, 5.0, 7.5,
Raw Material
Concrete Hollow Block: Cement, sand, aggregates
Fly ash concrete block: Cement, fly ash, aggregates
Lightweight concrete hollow block: Cement, lightweight aggregate, such as, fly ash,
ceramisite, pumice, furnace slag, cinder, pearlite and other waste slags.
I Simple production line (Movable block forming machine)
Production Capacity
4 pieces/60s, 15000m3/year (2 shifts, 8 hours per
shift)
Main equipment
Mixer, Movable block forming machine (CXJ-A)
Land requirement
Open: 3000m2
Covered: 100m2 (shed)
Environment Friendly Building Material Technologies for Low Cost Housing
10
11. Power
KW: 10
Three phase
Voltage: 380V
Manpower
Skilled (Nos.): 1
Unskilled (Nos.): 4
US$ 37,600
US$ 5,000
US$ 1,000
US$ 1,000
US$ 500
US$ 100
US$ 30,000
II Semi-automatic production line
(Stationary block forming machine)
Production Capacity
4 pieces/25s, 35000m3/
year
(2 shifts, 8 hours per shift)
Main equipment
Mixer, Stationary block
forming machine (QMJ4 –
25), Belt conveyer.
Land requirement
Open: 5000m2
Covered:100m2 (shed)
Power
KW: 50
Three phase
Voltage: 380 V
Manpower
Concrete hollow block
Project Cost
Total
Main equipment
Essential Spareparts & tools
Civil Construction
Design & installation
Other expenses
Working Capital (one month)
Skilled (Nos.): 1
Unskilled (Nos.): 7
Environment Friendly Building Material Technologies for Low Cost Housing
11
12. Project Cost
Total
Main equipment
Essential Spareparts & tools
Civil Construction
Design & installation
Other expenses
Working Capital (one month)
US$ 113,000
US$ 35,000
US$ 5,000
US$ 1,000
US$ 1,000
US$ 1,000
US$ 70,000
Concrete hollow block
III Fully automatic production line
Production Capacity
9 pieces/15s, 100,000m3/year (2 shifts, 8 hours per shift)
Main equipment
Whole set of automatic production line, including computer controlled system,
metering system, mixing system, conveying system, block forming system and
standard moulds, etc.
Land requirement
Open: 10000m2
Covered: 1000m2 (shed)
Raw Material
Concrete Hollow Block: Cement,
sand, aggregates
Fly ash concrete block: Cement,
fly ash, aggregates
Lightweight concrete hollow
block: Cement, lightweight aggregate, such as, fly ash, ceramisite, pumice, furnace
slag, cinder, pearlite and other waste slags.
Power
KW: 50
Three phase
Voltage: 380
Manpower
Skilled (Nos.): 1
Unskilled (Nos.): 11
Project Cost
Environment Friendly Building Material Technologies for Low Cost Housing
12
13. Total
US$ 1,015,000
Main equipment
US$ 600,000
Essential Spareparts & tools
US$ 50,000
Fork truck, loader, boiler, etc.
Civil Construction
US$ 50,000
Workshop, Cement silo, fly ash silo, steam
curing kiln
Design & installation
US$ 10,000
Other expenses
US$ 5,000
Working Capital (one month)
US$ 300,000
Concrete hollow block
Environment Friendly Building Material Technologies for Low Cost Housing
13
14. CBT
05 Decorative Concrete Block
Use
For decoration of exterior walls
Features
Combination of structural function and decorative function;
Decorative Concrete Block
Production Capacity
2 pieces/15s, 1,000,000pieces/year
Size of product
Standard size: 390×190×190mm
Facing block: Maximal surface area 590×290mm (thickness upon demand)
Properties of product
Compressive strength (MPa):
Hollow block: 7.5, 10.0, 15.0, 20.0;
Solid block: 10.0, 15.0, 20.0, 25.0, 30.0;
Flexural strength of Facing block: >4.0
Main equipment
Mixer,
Block forming machine,
Metering system,
Conveyer,
Splitting machine.
Land requirement:
Open: 3000m2
Covered: 600m2
Raw Material
Cement, sand, stone, admixture, pigment
Power
KW: 60
Three phase
Voltage: 380 V
Environment Friendly Building Material Technologies for Low Cost Housing
14
15. Manpower
Skilled (Nos.): 1
Unskilled (Nos.): 20
Project cost
Total
Main equipment
Essential Spareparts & tools
Civil Construction
Design & installation
Other expenses
Working Capital (one month)
US$ 123,000
US$ 45,000
US$ 5,000
US$ 1,000
US$ 1,000
US$ 1,000
US$ 70,000
Decorative Concrete Block
Environment Friendly Building Material Technologies for Low Cost Housing
15
16. Lightweight Concrete Hollow (3E)
06 Panel
Lightweight Concrete Hollow (3E) Panel
CBT
Use
3E panel is for walling system of steel reinforced concrete - lightweight panel system.
Features
• 3E panel (Ecological, Extruding Process, Economical)
• Specially designed for low-cost house.
• 3E house (Easy, Energy-saving, Ensure) can be installed and rapidly constructed
with 3E panels.
• Excellent shock resistance: post-casted stem, panel and ring beam form an
integrated structure.
Production Capacity
150,000m2/year (per shift of 8 hours)
Size of product
2500-3000×600×90mm
(thickness is optional upon demand: 60
to 120mm)
Properties of product
• Air-dried density (kg/m2): 45-58
• Flexural failure load (N): 2500-3000
• Compressive strength (MPa): 6-12
Main equipment
• Panel extruding machine,
• Compulsory mixer,
• Cutting machine,
• Fiber cutting and spraying machine,
• Grinding machine,
• Feeder, etc.
Land requirement
• Open: 5000-7000m2
• Covered: 100-200m2
(office and storehouse),
500-800m2(workshop)
Environment Friendly Building Material Technologies for Low Cost Housing
16
17. Raw Material
Cement, Fly ash (not necessarily), glass fiber or steel wire, aggregate
(optional: sand, stone, blast-furnace slag, pearlite, ceramisite,
pumice, and other slags).
KW: 20
Three phase
Voltage: 380V
Manpower Skilled (Nos.): 1
Unskilled (Nos.): 8-12
Project Cost
Total
Main equipment
Essential Spareparts & tools
Civil Construction
Design & installation
Other expenses
Working Capital(one month)
US$155,000
US$ 60,000
US$ 5, 000
US$ 10,000
US$ 10,000
US$ 10,000
US$ 60,000
Environment Friendly Building Material Technologies for Low Cost Housing
Lightweight Concrete Hollow (3E) Panel
Power
17
18. CBT
07 Foam Fly Ash - Concrete Panel
Use
Foam fly ash - concrete panel for Partition wall, EPS sandwiched external wall panel,
Reinforced hollow floor panel, EPS sandwiched roof panel
Features
Easily worked and rapid on-site
assembly
Foam fly ash - concrete panel
Light weight
Fire resistant
Energy efficient: 80%
Excellent acoustic performance
Designed for inner comfort: cooler
in summer, warmer in winter
Production Capacity
Annual production of 300,000m2
Size of product
Product type (all size are available according to requirement):
ASA partition wall panel
Size: 2700~2540×600×60~50mm or 3000~2540×600×90~120mm
ASA EPS sandwiched external wall panel: 2700~2540×600×60~120mm
ASA reinforced hollow floor panel: 4300~2000×600×120mm
ASA EPS sandwiched roof panel: 3000~2000×600×90~120mm
Main equipment
• Raw materials preparing and
conveying system
• Foaming and casting system
• Curing system
• Computer-controlled System
• Testing system, etc.
Land requirement:
Open: 2000-5000m2
Environment Friendly Building Material Technologies for Low Cost Housing
18
19. Covered: 3200m2
(Workshop, warehouse, office, laboratory)
Raw Material
Fly ash (50-70%), cement, forming agent, reinforced materials
Power
KW: 50
Three phase
Voltage: 380 V
PROJECT COST
Main equipment
Essential Spareparts & tools
US$ 1,250,000
US$ 850, 000
US$ 10,000
Civil Construction
Workshop, warehouse, office, laboratory
US$ 100,000
Design & installation
Other expenses
Working Capital
(one month)
US$ 50,000
US$ 50,000
US$ 200,000
Environment Friendly Building Material Technologies for Low Cost Housing
Foam fly ash - concrete panel
Manpower Skilled (Nos.): 10
Unskilled (Nos.): 50
19
20. CBT
08
Concrete Hooking panel
Use
This panel can be used for wall of low-rise
and high-rise buildings
Features
The wall is assembled by concrete
hooking panel and concrete or steel
hook.
Concrete Hooking panel
No auxiliary materials are needed for
assembling. No need for bonding or
anchoring for the panel.
The house built with hooking panel is quake-proof and fireproof
The machine can produce many kinds of panels
Low-cost: US$40/m2 building area
Production Capacity
90,000m2 (per shift 7 hours)
Size of product
Hooking panel: 1200mm×165mm×30mm
Inside panel: 2700mm×600mm×90mm
Properties of product
• Weight:≤15kg/m
• Flexural strength: ≥600N
• Good impact resistance
• Water absorption: 15%
Main equipment
• Panel extruding machine,
• Cutting machine,
• Rolling screen,
• Crushing machine,
• Mixer.
Environment Friendly Building Material Technologies for Low Cost Housing
20
21. Land requirement
• Open: 4000m2
• Covered: 80mt. x 12mt. (shed)
Raw Material
Cement, sand, waste slag, glass fiber (for non-bearing wall) or steel wire (bearing
wall)
Power
KW: 20KW
Three phase
Voltage: 380
Manpower 10
Skilled (Nos.): 1
Unskilled (Nos.): 9
Total
Main equipment
Essential Spareparts & tools
Civil Construction
Design & installation
Other expenses
Working Capital (one month)
US$ 102,000
US$ 35,000
US$ 10,000
US$ 5,000
US$ 1,000
US$ 1,000
US$ 50,000
Example of a 100m2 house with hooking panel:
a) Manpower: 8 workers
b) Construction
period:
15
days
c) Building cost: US$40/m2
Basement: US$4/m2
Concrete Hooking panel
Project cost:
Walling: US$20/m2
Roofing: US$8/m2
Door & window: US$8/m2
d) Total cost: US$4000
Environment Friendly Building Material Technologies for Low Cost Housing
21
22. Glass-fiber Reinforced
09 (GRC) panel
Glass fiber reinforced concrete (GRC) panel
CBT
Concrete
Use
Suitable for load bearing wall of 1 to 2 stories buildings and non-load bearing wall of
high-rise buildings.
Features
Easy and quick construction: all the building materials needed for a 280m2 house
can be transported by a truck; 8 workers can complete the house in 2 weeks;
Light weight: 35-50kg/m2;
High shock resistance;
Good heat insulation;
High durability;
Low-cost house: building cost is
only US$60/m2.
Production Capacity
150,000m2/year (per shift of 8 hours)
Size of product
2400-3000×900-12000×110-150mm
Properties of product
Weight
Heat conductivity (thickness 110mm)
0.5kN/m2
≤0.36W/m2•K
Index of acoustic insulation (thickness 110mm)
Axial load limit (length 2400mm)
≥40db
27.8kN/m2
Transverse load limit (length 2400mm)
2.0kN/m2
Main equipment
Panel forming machine, mixer and accessory
equipment)
Land requirement
• Open: 4000-6000m2
100-200m2 (office and
• Covered:
storehouse), 500-800m2 (workshop)
Environment Friendly Building Material Technologies for Low Cost Housing
22
23. Raw Material
Cement, EPS panel, reinforced materials,
sand, blast-furnace slag, pearlite, ceramisite,
pumice, and other slags.
Power
KW: 25KW
Three phase
Voltage: 380
Manpower Skilled (Nos.): 1
Unskilled (Nos.): 9
Project cost:
US$155,000
US$ 60,000
US$ 5, 000
US$ 10,000
US$ 10,000
US$ 10,000
US$ 60,000
Environment Friendly Building Material Technologies for Low Cost Housing
Glass fiber reinforced concrete
Total
Main equipment
Essential Spareparts & tools
Civil Construction
Design & installation
Other expenses
Working Capital (one month)
23
24. CBT
10 Straw panel
Use
Straw panel is used for wall of low-rise buildings and partition wall of high-rise
buildings.
Straw panel
Features
Green Building Material - 70% straw
Low-cost: 35%-50% of gypsum product
10%-20% of wood product
Lightweight – 33kg/m2
Non-radiative
Waterproof, Fireproof, Crack resistant
Raw Material
Straw (wheat straw, rice straw, maize stalk),
sawdust, maize stalk, sawdust, sugarcane pole,
husk, etc.
Bonding and anti-burning agent
Reinforced material: mainly glass fiber
Size of product
2400mm×300mm×100mm
Properties of product
Dry Shrinkage≤0.8mm/m
Refractory Limit 188 minutes
Sound Insulation≥40dB
Water Absorption 22%
I Hand made production line
Production Capacity
20,000m2
Main equipment
Mixer, 50 sets of forming moulds
Land requirement
Open: 1000m2
Covered: 100m2(shed)
Environment Friendly Building Material Technologies for Low Cost Housing
24
25. Power:
KW: 5KW
Three phase
Voltage: 380
Manpower:
Skilled (Nos.): 0
Unskilled (Nos.): 10
Project cost:
Total
Main equipment
Essential Spareparts & tools
Civil Construction
Design & installation
Other expenses
Working Capital (one month)
US$ 53,000
US$ 40,000
US$ 1,000
US$ 5,000
US$ 1,000
US$ 1,000
US$ 5,000
II Semi-automatic production line
Production Capacity
200,000m2
Straw panel
Main equipment
Panel forming machine,
machine, mixer, moulds.
crushing
Land requirement
Open: 3000m2
Covered: 300m2(shed)
Power:
KW: 5
Three phase
Voltage: 380 V
Skilled (Nos.): 2
Manpower:
Unskilled (Nos.): 60
Project cost:
Total
Main equipment
Essential Spareparts & tools
Civil Construction
US$ 270,000
US$ 200,000
US$ 5,000
US$ 10,000
Design & installation
US$ 3,000
Other expenses
US$ 2,000
Working Capital (one month)
US$ 50,000
Environment Friendly Building Material Technologies for Low Cost Housing
25
26. CBT
S Panel
11
(Steel wire-EPS composite panel)
Use
S Panel system is a composite construction system. It is
used for load bearing walls for low-rise buildings and
non-load bearing walls for high-rise buildings, also for
floor board and roofing board; It consists of S Panels three-dimensional welded wire mesh and a built-in
expanded polystyrene insulation core. The panels are
erected over steel reinforcing bars embedded in a
concrete foundation, then fastened to one another with
wire - splice mesh. Concrete is sprayed to both sides of
the panels to the desired thickness. The result is a homogenous structure with
S Panel
excellent thermal and acoustic properties.
Features
•
Fast and simple erection, creating a monolithic structure.
•
Cost effective way of creating a quality, plaster finished structure.
•
Light weight - only 3.9 kg per m2, 110 kg with cement mortar of 30 mm thick
on both sides, easy to handle and suitable for area with soft foundation.
•
High energy efficient system - Efficient thermal barrier, thermal resistance (50
mm in thickness) is 0.825 m2.k/w.
•
Excellent Sound Insulation - STC rating up to 52.6 dBA.
•
Superior fire resistance - tested to 2 hours fire rating.
•
Earthquake resistance - As a monolithic structural element with superior
strength and ductility; it is ideal solution for high seismic areas. Also hurricane
and typhoon proof design, even at the highest wind loads.
•
Long life, high durability, low maintenance, strong and modern.
•
Healthy and secure - Insect, termite, mildew and fungi resistance.
•
Greater design flexibility, easily to be adopted to curved/arched application.
S Panel System is stronger than rock and more versatile than timber.
Environment Friendly Building Material Technologies for Low Cost Housing
26
27. Production Capacity
400,000m2 (per annum)
Manufacturing Equipments and Production Flowchart
S Panel
Size of products
Can be fabricated in different sizes.
Properties of product
Light weight - only 3.9 kg per m2, 110 kg with cement mortar of 30 mm thick on
both sides, easy to handle and suitable for area with soft foundation.
• High energy efficient system - Efficient thermal barrier, thermal resistance (50
mm in thickness) is 0.825 m2.k/w.
• Excellent Sound Insulation - STC rating up to 52.6 dBA.
• Superior fire resistance - tested to 2 hours fire rating.
•
Environment Friendly Building Material Technologies for Low Cost Housing
27
28. Product Standard: China Industrial Standard JC623-1996
Q/LSU001-1998
Main equipment
•
EPS Foaming System,
•
Welding and Forming System,
•
Mesh Welding System,
•
Checking System,
•
Accessory Making System,
•
Vapor System,
•
Compressed Air System,
•
Engineer Electrical System
Land requirement
Open: 3000-5000m2
Covered: 3000m2
S Panel
Raw Material
Steel wires: Ø2.0-2.2mm
EPS resin: density 15-20kg/m3
Power:
- Annual demand: 1,000tons
- Annual demand: 320tons
KW: 150
Three phase
Voltage: 380 V
Manpower: Skilled (Nos.): 2
Unskilled (Nos.): 36
Project cost
PROJECT COST
Main equipment
Essential Spareparts & tools
Civil Construction
Design & installation
Other expenses
Working Capital
(one month)
US$ 1,416,000
US$ 1,186,000
US$ 30,000
US$ 100,000
US$ 30,000
US$ 20,000
US$ 50,000
Environment Friendly Building Material Technologies for Low Cost Housing
28
29. CBT
Colored Cement Tile for Roofing
12
Use
Colored cement tile is an ideal roofing materials used for
residential and industrial buildings.
Features
High flexural strength
Colored Cement Tile for Roofing
Low water absorption
Waterproof and good impermeability durable
Production Capacity
4000 pieces per 8 hour shift, 1,000,000 pieces per year
Size of product
420mm×330mm×12mm
Properties of product
Flexural strength ≥90kg
Good impermeability
Long service life
Main equipment
Mortar mixer,
Belt conveyer,
Bxtruding machine,
Coloring machine,
Tile bracket,
Steel tile mould.
Land requirement:
Open: 2000m2
Covered: 200m2
Environment Friendly Building Material Technologies for Low Cost Housing
29
30. Raw Material
Cement, sand, pigment
Power
KW: 22
Three phase
Colored Cement Tile for Roofing
Voltage: 380 V
Manpower Skilled (Nos.): 1
Unskilled (Nos.): 10
Project Cost:
Total
Main equipment
Essential Spareparts & tools
Civil Construction
US$ 42,000
US$ 20,000
US$ 3,000
US$ 10,000
Design & installation
US$ 3,000
Other expenses
US$ 1,000
Working Capital (one month)
US$ 5,000
Environment Friendly Building Material Technologies for Low Cost Housing
30
31. CBT
13
Concrete Paving Block
Use
For road paving.
Features
Flexible design of shape and
size;
Good abrasion resistance
High compressive strength
Size:
250×250×40mm~50mm
300×300×40mm~50mm
Compressive strength≥25.0Mpa
Abrasion resistance≥35.0mm
Properties of product
• Compressive strength: ≥
25.0MPa
• Flexural strength: ≥3.5MPa
• Abrasive resistance: ≥35.0mm
• Water absorption: 9.0%
Raw Material
Cement, fly ash, sand, stone, etc
I Simple production line
Concrete Paving Block
Size of product
Production Capacity
4 pieces/40-60s, 40,000m2/year (300
day and one 8 hour shift)
Main equipment
• Mixer,
• Paving
block
machine,
• Crushing machine,
• Moulds
forming
Environment Friendly Building Material Technologies for Low Cost Housing
31
32. Land requirement
• Open: 2000m2
• Covered: 300m2 (shed)
Power
• KW: 10
• Three phase
• Voltage: 380 V
Manpower 10 (per shift)
Skilled (Nos.): 1
Unskilled (Nos.): 9
Concrete Paving Block
Project Cost:
Total
Main equipment
Essential Spareparts & tools
Civil Construction
US$ 38,000
US$ 15,000
US$ 5,000
US$ 5,000
Design & installation
US$ 2,000
Other expenses
US$ 1,000
Working Capital (one month)
US$ 10,000
II Semi-automatic production line
Production Capacity
6 pieces/9-12s, 60,000m2/year (300 day and one 8 hour shift)
Main equipment
• Mixer,
• Paving block automatic
forming machine
• Crushing machine
• Moulds
Land requirement
• Open: 3000m2
• Covered: 300m2 (shed)
Environment Friendly Building Material Technologies for Low Cost Housing
32
33. Power
• KW: 15
• Three phase
• Voltage: 380 V
Manpower 10 (per shift)
Skilled (Nos.): 1
Unskilled (Nos.): 6
Total
Main equipment
Essential Spareparts & tools
Civil Construction
US$ 48,000
US$ 20,000
US$ 5,000
US$ 5,000
Design & installation
US$ 2,000
Other expenses
US$ 1,000
Working Capital(one month)
US$ 15,000
Environment Friendly Building Material Technologies for Low Cost Housing
Concrete Paving Block
Project Cost:
33
34. CBT
14
Hollow Gypsum Board & Blocks
Hollow gypsum board & blocks
Use
For interior wall.
Features
Lightweight, fireproof and heat – insulative;
Easy & quick construction.
Production Capacity
150,000 M2/year
Size of product
666mm×500mm ×60mm~160mm
Properties of product
Weight < 45Kg/M2 Bend strength > 500 N
Main equipment
Molding machine, mixer, dry room, transport system
Land requirement
Open: 5000 M2
Covered: 3000 M2
Raw Material
Building gypsum, supplementary materials,
such as, lightweight aggregate, fly ash, filler,
etc.
Power:
KW: 500
Three phase
Voltage: 380
Manpower: Skilled (Nos.): 5~8
Unskilled (Nos.): 15~20
Environment Friendly Building Material Technologies for Low Cost Housing
34
35. Project Cost:
Total
Main equipment
Essential Spareparts & tools
Civil Construction
US$ 730,000
US$ 100,000
US$ 30,000
US$ 400,000
Design & installation
US$ 120,000
Other expanses
US$ 60,000
Working Capital (one month)
US$ 20,000
Hollow gypsum board & blocks
Environment Friendly Building Material Technologies for Low Cost Housing
35
36. CBT
15
Wall plaster
Use
Plaster for interior wall
Features
Good workability and micro-expansion;
Easy & quick construction;
Good adhesion with basement;
Lightweight, fireproof and heat - insulative
Production Capacity
30,000~50,000tons per year
Wall plaster
Packing sizes
40Kg/bag
Properties of product
Strength > 4.0 MPa, setting time >
60 min
Main equipment
Sintering equipment, grinding equipment, mixing equipment
Land requirement
Covered: 2000 M2
Raw Material
Building gypsum, supplementary materials, such as, lightweight aggregate, fly ash,
filler, etc.
Power: KW: 100 KW
Three phase
Voltage: 380
Manpower
Skilled (Nos.): 3~5
Unskilled (Nos.): 10~15
Environment Friendly Building Material Technologies for Low Cost Housing
36
37. Project Cost:
Total
Main equipment
Essential Spareparts & tools
Civil Construction
US$2,674,000
US$ 150,000
US$ 24,000
US$ 2,400,000
Design & installation
US$ 37,000
Other expenses
US$ 13,000
Working Capital
(one month)
US$50,000
Wall plaster
Environment Friendly Building Material Technologies for Low Cost Housing
37
38. CBT
16 Paint for interior & exterior wall
Paint for interior & exterior wall
Use
Decoration for interior and exterior wall.
Features
Easy construction
Convenient maintenance
Wide color option upon demand
Production Capacity
2-10t/d, 600-3000t/y
Packing size
25-100Kg/bucket
Properties of product
GB/T 9756 (for interior), GB/T 9755 (for exterior)
Main equipment
High-speed
dispersing
machine,
Dispersing kettle,
Grinding equipment.
Land requirement
Covered: 200~1000 M2
Raw Material
Polymer emulsion, titanium
white, filler, additive.
Power KW: 100
Three phase
Voltage: 380
Manpower Skilled (Nos.): 4~6 persons
Unskilled (Nos.): 10~15 persons
Environment Friendly Building Material Technologies for Low Cost Housing
38
39. US$ 186,000
US$ 60,000
US$ 10,000
US$ 24,000
Design & installation
US$ 12,000
Other expenses
US$ 30,000
Working Capital
(one month)
US$ 50,000
Environment Friendly Building Material Technologies for Low Cost Housing
Paint for interior & exterior wall
Project cost
Total
Main equipment
Essential Spareparts & tools
Civil Construction
39
40. About China Building Materials Academy (CBMA)
CBMA is the largest comprehensive research institute in the
fields of building materials in China. CBMA has established
academic and trade relations with organizations of more
than 50 countries. Its technologies and products have been
widely recognized and adopted in China and exported to
more than 30 countries and regions.
About International Center for
Materials Technology Promotion (ICM)
ICM was established by UNIDO with the support of
Chinese government, with its headquarters in Beijing. The
CBMA is the parenting institution for ICM. The mission
of ICM is to facilitate technology transfer and diffusion
processes of new materials technologies in the developing
countries.
For further details, please contact:
International Center for Materials Technology Promotion
United Nations Industrial Development Organization
Beijing, P.R.China
Tel: 86-10-5116 7499/5116 7809
Fax: 86-10-65476260
E-mail: suitongbo@cbmamail.com.cn
Or
China Building Materials Academy
No.1, Guanzhuang Dongli, Chaoyang District
Beijing 100024, P.R.China
Tel: 86-10-6575 0105
Fax: 86-10-6576 2976
E-mail: yaoyan@cbmamail.com.cn
Environment Friendly Building Material Technologies for Low Cost Housing
40