The document provides recommendations for reinforcing concrete slabs with TSS 41 units embedded in them. Figure 1 shows the recommended reinforcement pattern for slabs with an edge distance over 300mm from the unit. Figures 2 and 3 show patterns for closer edge distances. The reinforcement consists of stirrups connecting the unit to rebar in the slab. Comments provide details on rebar sizes, spacing, and intended load transfers. Edge reinforcement is also recommended continuously along all edges according to code standards. Load limits for the slab vary based on thickness and edge distance.
CoFold is the ultimate in exterior folding systems and opens up a wealth of new design possibilities.
The CoFold System has been designed to maximise the flexibility of a room’s living space, removing barriers and enabling the user to have an indoor/outdoor experience by fully opening up exterior walls.
The system which operates with effortless ease combines the benefits of folding doors with the ability to keep out the weather with no corrosion worries. This modern, contemporary feature will increase available living space whilst allowing natural light to envelop the room.
System Capacity
Maximum leaf height - 3300mm
Maximum leaf weight - 100kg
Maximum leaf width - 1000mm
Leaf thickness - 35-68mm*
* For thicker or thinner doors please contact Coastal Technical Team
For doors between 35-47mm use an alternative flush bolt
Applications
Residential and commercial timber exterior folding applications
Specially suited to coastal environments made from 316 stainless steel.
End folding timber doors folding to one or both sides
Standard folding configuration features doors folding outward.
Inward folding doors can be used where the doors are not directly
exposed to the weather.
Premium security features
Recognised weather resistance
The folding unit is not hinged to post, but is pivoted in the track and floor. All door leaves are of equal width. A swing leaf can be included by incorporating an odd number of leaves. For full weather protection, doors, frame and track should incorporate the seals provided in the CoFold range.
Cill and frame construction should be in accordance with the CoFold fixing instructions. Intermediate hangers and hinges are non rebated.
www.coastal-group.com
CoFold is the ultimate in exterior folding systems and opens up a wealth of new design possibilities.
The CoFold System has been designed to maximise the flexibility of a room’s living space, removing barriers and enabling the user to have an indoor/outdoor experience by fully opening up exterior walls.
The system which operates with effortless ease combines the benefits of folding doors with the ability to keep out the weather with no corrosion worries. This modern, contemporary feature will increase available living space whilst allowing natural light to envelop the room.
System Capacity
Maximum leaf height - 3300mm
Maximum leaf weight - 100kg
Maximum leaf width - 1000mm
Leaf thickness - 35-68mm*
* For thicker or thinner doors please contact Coastal Technical Team
For doors between 35-47mm use an alternative flush bolt
Applications
Residential and commercial timber exterior folding applications
Specially suited to coastal environments made from 316 stainless steel.
End folding timber doors folding to one or both sides
Standard folding configuration features doors folding outward.
Inward folding doors can be used where the doors are not directly
exposed to the weather.
Premium security features
Recognised weather resistance
The folding unit is not hinged to post, but is pivoted in the track and floor. All door leaves are of equal width. A swing leaf can be included by incorporating an odd number of leaves. For full weather protection, doors, frame and track should incorporate the seals provided in the CoFold range.
Cill and frame construction should be in accordance with the CoFold fixing instructions. Intermediate hangers and hinges are non rebated.
www.coastal-group.com
CoFold is the ultimate in exterior folding systems and opens up a wealth of new design possibilities.
The CoFold System has been designed to maximise the flexibility of a room’s living space, removing barriers and enabling the user to have an indoor/outdoor experience by fully opening up exterior walls.
The system which operates with effortless ease combines the benefits of folding doors with the ability to keep out the weather with no corrosion worries. This modern, contemporary feature will increase available living space whilst allowing natural light to envelop the room.
System Capacity
Maximum leaf height - 3300mm
Maximum leaf weight - 100kg
Maximum leaf width - 1000mm
Leaf thickness - 35-68mm*
* For thicker or thinner doors please contact Coastal Technical Team
For doors between 35-47mm use an alternative flush bolt
Applications
Residential and commercial timber exterior folding applications
Specially suited to coastal environments made from 316 stainless steel.
End folding timber doors folding to one or both sides
Standard folding configuration features doors folding outward.
Inward folding doors can be used where the doors are not directly
exposed to the weather.
Premium security features
Recognised weather resistance
The folding unit is not hinged to post, but is pivoted in the track and floor. All door leaves are of equal width. A swing leaf can be included by incorporating an odd number of leaves. For full weather protection, doors, frame and track should incorporate the seals provided in the CoFold range.
Cill and frame construction should be in accordance with the CoFold fixing instructions. Intermediate hangers and hinges are non rebated.
www.coastal-group.com
Regarding telecom towers, the tower legs in general supported by slender or at least narrow columns. The anchors' capacity thus in most of the cases are not sufficient providing only by the brake-out cone area. Axial and horizontals forces have to be transferred to the "surrounding" steel reinforcements.
A possible approach is found below in details.
Common practice of design and construction is to support the slabs by beams and support the beams
by columns. This may be called as beam-slab construction
A reinforced concrete slab or block which interconnects a group of piles and acts
as a medium to transmit the load from wall or column to the Piles is called a Pile
Cap. The Pile cap should normally be rigid so as to distribute the forces equally on
the piles of a group. In general it is designed like a footing on soil but with the
difference that instead of uniform reaction from the soil, the reactions in this case
are concentrated either point loads or distributed.
CoFold is the ultimate in exterior folding systems and opens up a wealth of new design possibilities.
The CoFold System has been designed to maximise the flexibility of a room’s living space, removing barriers and enabling the user to have an indoor/outdoor experience by fully opening up exterior walls.
The system which operates with effortless ease combines the benefits of folding doors with the ability to keep out the weather with no corrosion worries. This modern, contemporary feature will increase available living space whilst allowing natural light to envelop the room.
System Capacity
Maximum leaf height - 3300mm
Maximum leaf weight - 100kg
Maximum leaf width - 1000mm
Leaf thickness - 35-68mm*
* For thicker or thinner doors please contact Coastal Technical Team
For doors between 35-47mm use an alternative flush bolt
Applications
Residential and commercial timber exterior folding applications
Specially suited to coastal environments made from 316 stainless steel.
End folding timber doors folding to one or both sides
Standard folding configuration features doors folding outward.
Inward folding doors can be used where the doors are not directly
exposed to the weather.
Premium security features
Recognised weather resistance
The folding unit is not hinged to post, but is pivoted in the track and floor. All door leaves are of equal width. A swing leaf can be included by incorporating an odd number of leaves. For full weather protection, doors, frame and track should incorporate the seals provided in the CoFold range.
Cill and frame construction should be in accordance with the CoFold fixing instructions. Intermediate hangers and hinges are non rebated.
www.coastal-group.com
Regarding telecom towers, the tower legs in general supported by slender or at least narrow columns. The anchors' capacity thus in most of the cases are not sufficient providing only by the brake-out cone area. Axial and horizontals forces have to be transferred to the "surrounding" steel reinforcements.
A possible approach is found below in details.
Common practice of design and construction is to support the slabs by beams and support the beams
by columns. This may be called as beam-slab construction
A reinforced concrete slab or block which interconnects a group of piles and acts
as a medium to transmit the load from wall or column to the Piles is called a Pile
Cap. The Pile cap should normally be rigid so as to distribute the forces equally on
the piles of a group. In general it is designed like a footing on soil but with the
difference that instead of uniform reaction from the soil, the reactions in this case
are concentrated either point loads or distributed.
This presentation is on design of welded and riveted connections in steel structures. in this presentation we learn briefly about these connections and design terminology about these connections.
Unlock the Future of Search with MongoDB Atlas_ Vector Search Unleashed.pdfMalak Abu Hammad
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Pushing the limits of ePRTC: 100ns holdover for 100 daysAdtran
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Goodbye Windows 11: Make Way for Nitrux Linux 3.5.0!SOFTTECHHUB
As the digital landscape continually evolves, operating systems play a critical role in shaping user experiences and productivity. The launch of Nitrux Linux 3.5.0 marks a significant milestone, offering a robust alternative to traditional systems such as Windows 11. This article delves into the essence of Nitrux Linux 3.5.0, exploring its unique features, advantages, and how it stands as a compelling choice for both casual users and tech enthusiasts.
In the rapidly evolving landscape of technologies, XML continues to play a vital role in structuring, storing, and transporting data across diverse systems. The recent advancements in artificial intelligence (AI) present new methodologies for enhancing XML development workflows, introducing efficiency, automation, and intelligent capabilities. This presentation will outline the scope and perspective of utilizing AI in XML development. The potential benefits and the possible pitfalls will be highlighted, providing a balanced view of the subject.
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The discussion will extend to how AI can be used to transform XML content. In particular, the focus will be on the use of AI XPath extension functions in XSLT, Schematron, Schematron Quick Fixes, or for XML content refactoring.
The presentation aims to deliver a comprehensive overview of AI usage in XML development, providing attendees with the necessary knowledge to make informed decisions. Whether you’re at the early stages of adopting AI or considering integrating it in advanced XML development, this presentation will cover all levels of expertise.
By highlighting the potential advantages and challenges of integrating AI with XML development tools and languages, the presentation seeks to inspire thoughtful conversation around the future of XML development. We’ll not only delve into the technical aspects of AI-powered XML development but also discuss practical implications and possible future directions.
Encryption in Microsoft 365 - ExpertsLive Netherlands 2024Albert Hoitingh
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20 Comprehensive Checklist of Designing and Developing a WebsitePixlogix Infotech
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2. MEMO 55c
www.invisibleconnections.noPage 2 of 9
Figure 2: Recommended reinforcement pattern for TSS 41 units. Edge distance 160mm≤k≤300mm.
Ultimate limit load according to Figure 5.
3. MEMO 55c
www.invisibleconnections.noPage 3 of 9
Figure 3: Recommended reinforcement pattern TSS 41. Slab thickness t<200mm and edge distance
160mm≤k≤240mm. Ultimate limit load according to Figure 5.
The following comments can be made in connection with the recommended reinforcement pattern
shown in Figure 1:
• Reinforcement is illustrated in a slab with thickness 200mm, concrete cover 30mm and large edge
distance.
• In the area marked “c/c*)”, the tested elements (thickness t=150mm) were reinforced with P9 c/c
100mm along the whole edge.
• Two stirrups P9 to be placed closed to the unit. One on each side. Edge reinforcement P9 beyond the
prescribed locations should be in accordance with calculations. However, according to EC 2 clauses
6.4.2(5) and 9.3.1.4, stirrups continuously along the edge are always recommended.
• Transverse reinforcement P5 in the bends of P9. When the concrete cover is 20mm, or less, the upper
P5 bar can run above the 12mm round steel in front of the unit. With 30mm concrete cover, the upper
P5 bar may have to be cut. Then, a straight bar P8 is to be placed transverse of the unit as illustrated,
in overlap with P5. If possible, the P5 bar should be made continuously, and to achieve this, it is
preferable to lower the unit below the minimum value of 50mm from the top.
4. MEMO 55c
www.invisibleconnections.noPage 4 of 9
• The illustrated reinforcement is the necessary reinforcement required to transfer the forces in the unit
to the concrete. It is not to be understood as the complete slab reinforcement. The main reinforcement
for the slab/landings, inclusive edge reinforcement must be calculated in each case.
The following comments can be made in connection with the recommended reinforcement pattern
shown in Figure 2:
• Reinforcement is illustrated in a slab with thickness 150mm, concrete cover 20mm and edge distance
160mm. Notice the reduction in load in this case, see Figure 5.
• In the areas marked “c/c*)”, the tested elements (thickness t=150mm) were reinforced with P10 c/c
150mm and P9 c/c 100mm along the two edges.
• Mesh reinforcement with transverse reinforcement P10 (closed bars) below. P10 runs above the unit,
and below P1/P2. The mesh reinforcement may be replaced with straight bars with corresponding
cross section area and c/c distance.
• When the unit is located at 300mm, or closer to the corner than 300mm, stirrups shall always be used
along both edges as prescribed (P9/P10). The stirrups anchor the main reinforcement, and will in
addition function as shear reinforcement in the slab. Edge reinforcement P9/P10 beyond the
prescribed locations should be in accordance with calculations. However, according to EC 2 clauses
6.4.2(5) and 9.3.1.4, stirrups continuously along the edge are always recommended.
• P10 may be replaced with u-shaped stirrups in overlap with straight bars.
• The illustrated reinforcement is to be understood as a minimum of reinforcement which always should
be found when the unit is located close to the corner. It is not to be understood as the complete slab
reinforcement. The main reinforcement for the slab/landings, inclusive edge reinforcement must be
calculated in each case.
The following comments can be made in connection with the recommended reinforcement pattern
shown in Figure 3:
• Reinforcement is illustrated in a slab with thickness 150mm, concrete cover 20mm and edge distance
160mm.
• In the areas marked “c/c*)”, the tested elements (thickness t=150mm) were reinforced with P10 c/c
150mm and P9 c/c 150mm along the two edges.
• Mesh reinforcement with transverse reinforcement P10 (closed bars) below. P10 runs above the unit,
and below P1/P2. The mesh reinforcement may be replaced with straight bars with corresponding
cross section area and c/c distance.
5. MEMO 55c
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• When the unit is located at 240mm, or closer to the corner than 240mm, stirrups P13 shall always be
used in the corner area if utilizing the full unit capacity in slabs with thickness less than t=200mm.
• Transverse reinforcement 3Ø8 P5 behind the unit as illustrated.
• The illustrated reinforcement is to be understood as a minimum of reinforcement which always should
be found. It is not to be understood as the complete slab reinforcement. The main reinforcement for
the slab/landings, inclusive edge reinforcement must be calculated in each case.
General comments in connection with both reinforcement patterns:
• Minimum slab thickness: t=150mm. Notice the reduction in load when the slab thickness is less than
200mm, the unit is located closer to the corner than 240mm and no additional shear reinforcement is
introduced, see Figure 5.
• Minimum concrete cover TSS: 50mm (top flange of the outer tube).
• P1 and P2 to be placed directly onto the top of the unit, with the 12mm round steel positioned in the
bend of P1/P2. It is recommended to spot weld P1 and P2 to the unit in order to ensure the correct
position.
• Position, shape and anchorage of the stirrups P1 and P2 in the front is the governing factor concerning
force transfer from the unit to the slab. Exact and careful detailing is therefore important. Inaccuracy
may cause minor concrete cracks to develop before activating the reinforcement as assumed.
• Transverse reinforcement in the bend of P1/P2 (P5). P5 shall have the same diameter as P1/P2 and
should run along the whole width of the slab.
• The transverse reinforcement P5 may be a part of the main transverse reinforcement and should have
proper anchoring on the outside of the unit on both sides, especially towards the edge. This may
require anchoring of P5 with an upward bend, or u-shaped bars. The required anchoring must be
evaluated in every case.
• P1 and P2 should be anchored to the maximum depth, depending on the slab thickness.
• The inner width of the stirrups P1 and P2 should correspond to the width of the outer tube. This in
order to have the most direct transfer of forces from the outer tube to the vertical legs of the stirrups.
• The main reinforcement of the slab should have sufficient overlap with P1 and P2. This is illustrated
with four straight bars P12. The total amount of main reinforcement must be calculated in each case.
• All recommended reinforcement assumed to continue beyond the boundary of the illustrated area shall
have a proper anchoring on the outside of the area. Thus, the reinforcement should continue at least
one anchoring length outside the illustrated area, or be anchored by hooks.
• Shear reinforcement due to punching shear according to EC 2, clause 6.4.3.
6. MEMO 55c
www.invisibleconnections.noPage 6 of 9
Tolerances on location of anchoring bars:
Figure 4: Tolerances P1, P2 and P4.
Figure 5: Slab thickness and load limitations. The coloured arrows refer to the recommended
reinforcement patterns at different edge distances, as given in above Figures. The colour of the arrow
giving the recommended reinforcement pattern corresponds to the colour of the line giving the load
limitation. (In Memo 53, Figure 2, the load limitation is illustrated alone, without the arrows and
references to reinforcement pattern)
7. MEMO 55c
www.invisibleconnections.noPage 7 of 9
Pos Diameter Cutting
length
Nr. Pr
unit
Bar schedule Grade 3)
P1 8 1
Mandrel diameter=20mm (if this is in accordance with national
regulations.)
h=Decided locally, but as deep as possible. Normally: Slab thickness -
30mm - national rules for concrete cover.
If the mandrel diameter is 4xØ (in accordance with EC-2) the width
should be increased to 84mm to ensure good contact between the
stirrups and the round steel. The contact point should be in
approximate 45degrees from the centre of the round steel, and in
the middle of the curved part of the stirrup.
500C
(EC2, App
C)
P2 8 1
Mandrel diameter=20mm (if this is in accordance with national
regulations.)
h=Decided locally, but as deep as possible. Normally: Slab thickness -
30mm - national rules for concrete cover.
If the mandrel diameter is 4xØ (in accordance with EC-2) the widths
should be increased to respectively 84mm and 104 mm to ensure
good contact between the stirrups and the round steel. The contact
point should be in approximate 45degrees from the centre of the
round steel, and in the middle of the curved part of the stirrup.
500C
(EC2, App
C)
P4 8 2
h= Decided locally. Normally: Slab thickness – 20mm – 2 x national
rules for concrete cover.
500C
(EC2, App
C)
P5 8 3 +
41)
+
72)
+
Normally: Width of slab – 2 x national rules for concrete cover.
500C
(EC2, App
C)
P6 8 600 2 500C
(EC2, App
C)
8. MEMO 55c
www.invisibleconnections.noPage 8 of 9
Pos Diameter Cutting
length
Nr. Pr
unit
Bar schedule Grade 3)
P7 8 600 2
Slab thickness t=150mm: There is not enough space for the bars,
and they don’t need to be used.
500C
(EC2, App
C)
P8 8 1
Normally: Width of slab – 2 x national rules for concrete cover.
Alternatively u-shaped or closed stirrups may be used.
500C
(EC2, App
C)
P9 8 2+
31)
+
62)
+
h= Decided locally. Normally: Slab thickness –30mm – 2 x national
rules for concrete cover. Recommended along whole edge.
500C
(EC2, App
C)
P10 8 31), 2)
+
h= Decided locally. Normally: Slab thickness – 2 x national rules for
concrete cover – thickness of mesh reinforcement.
500C
(EC2, App
C)
P11 Minimum mesh reinforcement K131, or main reinforcement in both
directions with corresponding cross section area and c/c.
500C
(EC2, App
C)
P12 8 4 +
51)
+
62)
+
The amount of main reinforcement must be according to
calculations in each case.
Minimum 4xØ8 in overlap with P1/P2 as illustrated.
Normally: Length of slab – 2 x national rules for concrete cover
500C
(EC2, App
C)
P13 8 192)
h= Decided locally. Normally: Slab thickness – 2 x national rules for
concrete cover – thickness of mesh reinforcement.
500C
(EC2, App
C)
1)
Edge distance ≤300mm
2)
Edge distance ≤240mm, slab thickness t<200mm.
3)
Reinforcement steel of different ductility grade may be chosen provided that the bendability is sufficient for fitting the
vertical suspension reinforcement to the half round steels in front of the unit.
Table 1: List of reinforcement TSS 41.
9. MEMO 55c
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REVISION HISTORY
Date: Description:
26.04.2011 First Edition.
19.10.2011 Updated.
07.01.2016 Included revision history table. Included note on reinforcement ductility grade in Table 1.
25.05.2016 New template