2. Page 2
Introduction
now recognizes the importance of nature
and the need to preserve the world began
was adopted this principle in many of the
areas may be the most important of the
design and construction of buildings.
green building : is considered a green
building complete system of measures and
solutions that apply to building facilities or
real estate project in reduce energy
expenses, waste, and turn it into useful
elements of the environment and the
building and its occupants
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Objectives Of Green Building
1- low impact
minimize impact on natural environment
2- energy efficient
reduced energy usage and water usage
3- healthy
product occupant health and increase productivity
4- minimize waste
designed and constructed in a manner that
minimizes waste, pollution and environmental
degradation
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Green Roof
the cultivation surfaces of technology
that provides a wide range of benefits
tangible and intangible communities
interested in improving and
strengthening the good environment.
systems used for the cultivation of the
roofs of the buildings must be light
weight system that does not cause
excessive load on the building, as well
as the must leaks of water from the
system to the roof of the building does
not happen until the building is
maintained well for a long time.
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Classification of green roof
green roofs possible to be intense or
low-density on a large scale. bishop
intensive be thicker (more than 15
cm deep), a thickness that allows for
the growth of a variety of plants,
trees and shrubs. but heavy on the
surface and more expensive, and
require more maintenance and
irrigation.
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the other type covers a light
layer of vegetation and with
a thickness of less than 15
cm. it is dedicated to herbs
and shrubs that do not
require deep into the soil for
growth.
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Benefits Of Green Building
1- they are working on the organization of the
building temperature, where upon heated during
the winter and cool it during the summer.
2- contributes to reduce the rain water leaked from
the surfaces, because they function as a sponge
absorbing water and at the same time the plants
benefit from this water.
3-reduce pollution where works as a filter to purify
the air.
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4- reducing the noise, which is one of the problems
of the modern era, especially in the cities.
5- green bishop many economic benefits they
increase the life of the buildings where they work
thermal insulation block them from the sun roofs of
buildings and reduce air conditioning costs in the
summer and heating during the winter
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Building Materials Environmentally Friendly:
building environmentally friendly materials should where
available two conditions two grounds:
1 - not be a material of high energy consumption, both in
the manufacturing phase or installation or even
maintenance
2. not contribute to the increase of internal contamination
of the building that you doubt any of a group of building
materials (and finishes), called the correct building
materials and are often natural building materials.
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The fact for cement
scientifically proven that the production of
one ton of cement is accompanied by
emission of one ton - 2 tons of gas (co2),
and that 99% of the gas formed by limestone
and clinker cement and burning fuel heating
to heat the material, the greater the degree
of heating temperature of clinker cement, the
less the factory production and increased
greenhouse gas (co2) and increased global
warming and increased environmental
damage to the factory and increased the
proportion of respiratory diseases such as
asthma and pulmonary ossification and lung
cancer, kidney failure and other serious
diseases.
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Green Cement Eco-frindley
Cement
Portland pozzolan cement
bolzano renewable natural arising
from the ashes of volcanoes Bolzano
arising from industrial waste recycling
plants such as (fly ash) coal ash
residues resulting from the burning of
coal for power plants or the production
of iron slag resulting from the
remnants of iron factories.
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WHY ADDITION OF POZZOLAN CEMENT
CLINKER?
- to help increase the production of the factory
-provides energy and heat and electricity for the plant and
-reduces greenhouse gas (co2) and reduces global
warming by 20%.
-reducing environmental pollution, noise and reduce lung
cancer
- ossification pulmonary disease, asthma and kidney
failure by 20%
-will improve concrete quality and increasing concrete
interaction rubble of alkali resistance (alkali-silica reaction)
and thermal cracks.
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-as it reduces the reaction temperature as well as
the material silica in bolzano natural or industrial
constantly interact with free radicals to hydroxide
where calcium increases the composition of the
concrete association (csh), which increases the
strength and cohesion of concrete particles
reduces the porosity and permeability and thus
increases the resistance of the building to get free
of salts or acids
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Percentage of pozzolan we add cement to not more
than 30%
We can use it 100%, but in this case you must use
additives Chemical faster than interaction
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water conservation methods inside buildings:
some may believe that the only water used in buildings for
drinking operations and bathing or cooking food, but water is
also used to irrigate home gardens and beautify the building
operations and moistened by fountains and water ponds or
waterfalls, or even in swimming pools.
the process of re-use of wastewater and the so-called water-
gray grey water which is resulting from the use of bathrooms
and showers and kitchens have a significant impact in reducing
water consumption of buildings, where they are assembled into
a cistern and are processed and filtered using sand and gravel
and biological filters then reused to irrigate gardens or used
again in the package boxes.
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Lighting And Building:
the sun is the primary source of natural light on
the globe, and the light is spread in the form of
electromagnetic waves, and to get to know the
importance of the amount of lighting to human
life, the dr. sheard confirms that the vision
process consumes a quarter of total energy
necessary for the body in the case of health
lighting and proper consideration, and that any
deficiency in this lighting means drain energy
from the body to compensate for this deficiency,
and it can provide indoor lighting in two
fundamental ways: first by the coming of the sun
and natural lighting, and the second by industrial
lighting.
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For Natural Lighting Inside The Buildings:
the good design of the building must include the
following:
1 - to have two windows to each room as much as
possible distribution on two walls so as to avoid the
phenomenon of dizziness.
2 - distribution of windows and choose places to get as
much of the natural light and the reflected especially
with trying to avoid direct light.
3. the allocation of some open spaces (windows for
example) the building permit for a person to take
advantage of uv taking into account the privacy factor.
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For industrial lighting inside the building:
it is used in two cases: the first when the natural
lighting is insufficient in remote parts from
windows, and the second when the sun goes down
and it is dark. and taken into account in the
selection of units and industrial lighting to give the
kind of lighting that are as close as possible to
natural light.
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provide electrical energy consumption use the
solar cells pv cells
it produces electricity directly from the sun light
falling on them in a way clean non-polluting or
negatively affecting the environment, and
unobtrusive and without any space occupancy
within the building, plus they need a little
maintenance, since they contain no moving
parts, and can be installed and used without
hindrance, a mainly made of silicon material
(sand) material which is available on a large
scale, their use does not lead to damage to the
environment, and because the cells grouped in
units it is fast to install,
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and can increase the number and the fast expansion, as well
as generate electricity of pv modules in the place of use so
there is no significant loss of electricity as a result of delivery.
these cells are collected under the insulating layer (usually
glass) to configure panel photovoltaic panel pv to get a larger
amount of energy.
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As well as the use of solar cells to provide water
heater
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Cost And Returns
most criticism on the construction of green buildings is the
issue price. solar cells, new devices, new technologies tend
to cost more money. most green buildings cost a premium
of <2%, but yield 10 times as much over the full life of a
normal building (without environmental technologies).
savings in money come from more efficient use of public
facilities, which lead to lower energy bills is expected that
various sectors
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Conclusion
conclude that green buildings lead to the provision of
electrical energy consumption in general and the energy used
for cooling, lighting, water heating, in particular, in addition to
the rationalization of water consumption, thereby reducing the
emission of carbonates and improves the quality of interior air
environment at home, thereby improving the health of the
community and increase the life span of the buildings and the
preservation of the ecosystem, which leads in the end to
raise productivity and boost the economy in various sectors
