CN211498917U - Raft foundation support structure - Google Patents
Raft foundation support structure Download PDFInfo
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- CN211498917U CN211498917U CN201921864043.9U CN201921864043U CN211498917U CN 211498917 U CN211498917 U CN 211498917U CN 201921864043 U CN201921864043 U CN 201921864043U CN 211498917 U CN211498917 U CN 211498917U
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Abstract
The utility model relates to a construction, concretely relates to raft foundation bearing structure, including setting up the support post between raft foundation top reinforcing bar and raft foundation bottom reinforcing bar, the equipartition, the support post is the angle steel, and this support post's bottom and raft foundation bottom reinforcing bar fixed connection, this support post's inboard is provided with the diagonal bracing reinforcing bar, the upper end and the support post fixed connection of diagonal bracing reinforcing bar, the lower extreme and raft foundation bottom reinforcing bar fixed connection of this diagonal bracing reinforcing bar. Through setting up the support post of foretell angle steel, guarantee that the reinforcing bar location is accurate, the ligature smoothly to the support system that vertical angle steel support post and reinforcing bar bracing constitute can not only bear vertical load, also can bear horizontal load, has good stability, has guaranteed the security of construction and the accuracy of reinforcing bar position. When the reinforcing steel bars of the raft surface layer are bound, the integral welding support and the sectional support replacement of the angle steel support upright post can be completed.
Description
Technical Field
The patent of the utility model relates to a construction, concretely relates to raft foundation bearing structure.
Background
In recent years, with the rapid development of urban construction, high-rise buildings and super high-rise buildings are more and more, and raft foundations are more and more widely applied in engineering practice as the main foundation form of the high-rise buildings and the super high-rise buildings. The raft is along with the continuous increase of building height, and thickness is also more and more thick, and the reinforcing bar number of piles is also more and more, and weight is also more and more heavy, and conventional reinforcing bar split heads bearing capacity can't satisfy the requirement of construction safety nature, also can't satisfy the accuracy of reinforcing bar location.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a deep, the reinforcing bar number of piles is many, the concrete volume is big more reliable raft foundation support structure to raft thickness.
In order to realize above-mentioned purpose, the technical scheme that this application adopted is raft foundation bearing structure, including setting up between raft foundation top reinforcing bar and raft foundation bottom reinforcing bar, the support post of equipartition, above-mentioned support post is the angle steel, this support post's bottom and raft foundation bottom reinforcing bar fixed connection, this support post's inboard is provided with the diagonal bracing reinforcing bar, the upper end and the support post fixed connection of above-mentioned diagonal bracing reinforcing bar, the lower extreme and raft foundation bottom reinforcing bar fixed connection of this diagonal bracing reinforcing bar.
Through setting up the support post of foretell angle steel, guarantee that the reinforcing bar location is accurate, the ligature smoothly to the support system that vertical angle steel support post and reinforcing bar bracing constitute can not only bear vertical load, also can bear horizontal load, has good stability, has guaranteed the security of construction and the accuracy of reinforcing bar position.
When the reinforcing steel bars of the raft surface layer are bound, the integral welding support and the sectional support replacement of the angle steel support upright post can be completed.
Furthermore, the support column is provided with at least two oblique support steel bars, the upper end of one oblique support steel bar of the at least two oblique support steel bars is fixedly connected with one outer side plate surface of the support column, and the upper end of the other oblique support steel bar is fixedly connected with the other outer side plate surface of the support column.
Furthermore, the support column is provided with at least two oblique support steel bars, the upper end of one oblique support steel bar of the at least two oblique support steel bars is fixedly connected with one inner side plate surface of the support column, and the upper end of the other oblique support steel bar is fixedly connected with the other inner side plate surface of the support column.
Set up many diagonal bracing reinforcing bars and angle steel structure and combine, guarantee that bearing structure is more reliable, firm.
Furthermore, one side of each of the two diagonal support bars of the at least two diagonal support bars is respectively attached to the inner plate surface of the support column, and the upper ends of the diagonal support bars are attached to the internal corners of the support column.
Let the diagonal bracing reinforcing bar paste the support post of angle steel, make full use of the bending resistance of angle steel improves stability can.
Furthermore, a space is reserved between the oblique supporting steel bars in the vertical direction, namely the upper ends of the oblique supporting steel bars are not at the same horizontal height in height.
Furthermore, the bottom of the supporting upright post is welded with a gasket, and the plane where the gasket is located is vertical to the length direction of the supporting upright post.
Furthermore, the gasket is provided with a through hole.
Furthermore, raft foundation support structure still includes with support post fixed connection's middle part crossbeam frame, above-mentioned middle part crossbeam frame comprises horizontal angle steel and the vertical angle steel that is located same horizontal plane, is connected with the slant drawknot reinforcing bar between the adjacent support post, above-mentioned slant drawknot reinforcing bar and middle part crossbeam frame fixed connection.
Further, raft foundation support structure still includes with support post top fixed connection's top crossbeam, this top crossbeam is the angle steel, and an outside face of this top crossbeam and a outside face welding of support post.
The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description. Or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part of the disclosure, are included to assist in understanding the disclosure, and the description provided herein and the accompanying drawings, which are related thereto, are intended to explain the disclosure, but do not constitute an undue limitation on the disclosure.
In the drawings:
fig. 1 is a schematic structural view illustrating a raft foundation support structure of the present application;
fig. 2 is a schematic structural view illustrating a raft foundation support structure of the present application;
FIG. 3 is a partially enlarged view for explaining A in FIG. 2;
FIG. 4 is a schematic view illustrating a support column and diagonal support bars according to one embodiment;
fig. 5 is a schematic view illustrating a support post and diagonal support bars according to a second embodiment;
labeled as: 1-supporting upright columns, 101-gaskets, 2-oblique supporting steel bars, 3-transverse steel bars, 4-longitudinal steel bars, 5-oblique tie steel bars, 6-top cross beams, 7-raft foundation top steel bars and 8-raft foundation bottom steel bars.
Detailed Description
The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.
Moreover, the embodiments of the invention described in the following description are generally only examples of a subset of the invention, and not all examples. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
With respect to the terms and units of the present invention. The term "comprises" and any variations thereof in the description and claims of this invention and the related art are intended to cover non-exclusive inclusions.
Refer to fig. 1 ~ 4, during the construction, adopt raft foundation support structure of this application, including setting up between raft foundation top reinforcing bar 7 and raft foundation bottom reinforcing bar 8, the support post 1 of equipartition, above-mentioned support post 1 is the angle steel, this support post 1's bottom and raft foundation bottom reinforcing bar 8 fixed connection, this support post 1's inboard is provided with diagonal bracing reinforcing bar 2, the upper end and the support post 1 fixed connection of above-mentioned diagonal bracing reinforcing bar 2, this diagonal bracing reinforcing bar 2's lower extreme and raft foundation bottom reinforcing bar 8 fixed connection.
In the work progress, according to raft foundation steel bar support BIM model of establishing firstly carry out raft foundation support post 1 installation all around, the sump pit, elevator foundation ditch department support post 1 can adopt L100 x 80 x 8mm angle steel lattice column to support, all the other department support posts 1 can adopt L80 x 80 x 6mm angle steel, support post 1 interval 2m, bottom at two support posts 1, the middle part, upper portion is the stay wire location respectively, ensure the angle steel of installation on same water flat line, the plumb wire weighs down inspection support post 1 straightness that hangs down in the installation, the infrared ray spirit level is copied and is surveyed and is guaranteed the angle steel roughness.
As shown in fig. 1, after the support columns 1 are installed, 2C 16 short steel bars are adopted as the oblique support steel bars 2 and are welded and fixed with the raft foundation bottom steel bars 8 (in fig. 2 and 3, the oblique support steel bars 2 are omitted). Through the support post 1 that sets up foretell angle steel, guarantee that the reinforcing bar location is accurate, the ligature smoothly to the support system that vertical angle steel support post 1 and reinforcing bar bracing constitute can not only bear vertical load, also can bear horizontal load, has good stability, has guaranteed the security of construction and the accuracy of reinforcing bar position.
When the reinforcing steel bars of the raft surface layer are bound, the integral welding support and the sectional support change of the angle steel support upright 1 can be completed.
The upper end of one of the two oblique supporting steel bars 2 is fixedly connected with one outer side plate surface of the supporting upright post 1, and the upper end of the other oblique supporting steel bar 2 is fixedly connected with the other outer side plate surface of the supporting upright post 1. The oblique supporting steel bars 2 are vertically spaced, namely the upper ends of the oblique supporting steel bars 2 are not at the same horizontal height, so that the stress environment at the bottom of the supporting upright post 1 is optimized.
The bottom of the supporting upright post 1 is welded with a gasket 101, and the plane of the gasket 101 is vertical to the length direction of the supporting upright post 1. The gasket 101 may be perforated. The support column 1 and the gasket 101 are fully welded, and the size of the gasket 101 is 100 multiplied by 5 mm.
Raft foundation support structure still includes with support post 1 fixed connection's middle part crossbeam frame, above-mentioned middle part crossbeam frame comprises horizontal angle steel 3 and vertical angle steel 4 that are located same horizontal plane, is connected with slant drawknot reinforcing bar 5 between the adjacent support post 1, above-mentioned slant drawknot reinforcing bar 5 and middle part crossbeam frame fixed connection. Raft foundation support structure still includes with 1 top fixed connection's of support post top crossbeam 6, this top crossbeam 6 is the angle steel, and an outside face of this top crossbeam 6 and a outside face welding of support post 1.
Raft foundation middle part sets up one and indulges top crossbeam 6, and pit, elevator foundation ditch department increase and indulge top crossbeam 6 and slant drawknot reinforcing bar 5, guarantee that support column 1 free height is not more than 2m, and middle part is indulged top crossbeam 6 and is L80 x 80 x 6 mm.
During installation, an infrared level meter is used for reading and measuring, the flatness of the angle steel is guaranteed, the joint of the middle cross beam frame and the top cross beam 6 is fixed by full welding, then C16 oblique tie bars 5 are fixed by full welding with the bottom of the support upright 1 and the middle cross beam frame every 8m between the transverse angle steel 3 and the support upright 1, and the oblique tie bars 5 are required to be continuously arranged around the raft foundation.
When the middle cross beam frame is lengthened, an infrared level meter is used for reading two sections of elevation of angle steel, the two sections of angle steel (the transverse angle steel 3 and the longitudinal angle steel 4) of the middle cross beam frame are fully welded, and the lap joint length is larger than 160 mm. The supporting columns 1 on two sides of the expansion reinforcing belt are spaced and encrypted into 1m along the direction of the reinforcing belt, L80X 6 bridging is additionally arranged between the columns on the two sides, and the angle steel columns on the two sides of the reinforcing belt are provided with
16@200 mesh reinforcement.
As shown in fig. 5, embodiment two: different from the first embodiment, the support column 1 is provided with two diagonal support bars 2, the upper end of one diagonal support bar 2 of the two diagonal support bars 2 is fixedly connected with one inner side plate surface of the support column 1, and the upper end of the other diagonal support bar 2 is fixedly connected with the other inner side plate surface of the support column 1. One side of two diagonal bracing reinforcing bars 2 of the at least two diagonal bracing reinforcing bars 2 is respectively attached to the inner side plate surface of the support upright post 1, and the upper ends of the diagonal bracing reinforcing bars 2 are abutted to the internal corner of the support upright post 1. Let diagonal bracing reinforcing bar 2 paste the support post 1 of angle steel, make full use of the bending resistance of angle steel, improve the stability ability.
The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Claims (8)
1. Raft foundation bearing structure, its characterized in that, including set up in between raft foundation top reinforcing bar and raft foundation bottom reinforcing bar, the support post of equipartition, the support post is the angle steel, and this support post's bottom and raft foundation bottom reinforcing bar fixed connection, this support post's inboard are provided with the diagonal bracing reinforcing bar, the upper end and the support post fixed connection of diagonal bracing reinforcing bar, the lower extreme and raft foundation bottom reinforcing bar fixed connection of this diagonal bracing reinforcing bar.
2. A raft foundation support structure as claimed in claim 1, wherein the support column is provided with at least two oblique support bars, the upper end of one of the at least two oblique support bars being fixedly connected to one outer side plate surface of the support column, and the upper end of the other being fixedly connected to the other outer side plate surface of the support column.
3. A raft foundation support structure as claimed in claim 1, wherein the support column is provided with at least two oblique support bars, the upper end of one of the at least two oblique support bars being fixedly connected to one inner side plate surface of the support column, and the upper end of the other being fixedly connected to the other inner side plate surface of the support column.
4. A raft foundation support structure as claimed in claim 3, wherein one side of each of two of the at least two diagonal support bars abuts against the inner side of the support column, and the upper ends of the diagonal support bars abut against the internal corners of the support columns.
5. A raft foundation support structure as claimed in claim 1, wherein the diagonal support bars are vertically spaced apart.
6. A raft foundation support structure as claimed in claim 1, wherein the bottom of the support column is welded with a spacer, the plane of the spacer is perpendicular to the length direction of the support column.
7. A raft foundation support structure as claimed in claim 1, further comprising a middle beam frame fixedly connected to the support columns, the middle beam frame consisting of transverse and longitudinal angles on the same horizontal plane, tie bars connected between adjacent support columns, the tie bars being fixedly connected to the middle beam frame.
8. A raft foundation support structure as claimed in claim 1, further comprising a top cross-beam fixedly connected to the top of the support column, the top cross-beam being an angle steel, an outer side plate of the top cross-beam being welded to an outer side plate of the support column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864043.9U CN211498917U (en) | 2019-10-31 | 2019-10-31 | Raft foundation support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864043.9U CN211498917U (en) | 2019-10-31 | 2019-10-31 | Raft foundation support structure |
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| CN211498917U true CN211498917U (en) | 2020-09-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550493A (en) * | 2021-07-09 | 2021-10-26 | 上海市基础工程集团有限公司 | Circular shaft concrete bottom plate steel bar support system and construction method |
| CN114215089A (en) * | 2021-12-08 | 2022-03-22 | 中铁二十局集团第六工程有限公司 | Shaped steel supporting structure for supporting raft plate reinforcing steel bars |
| CN115478553A (en) * | 2022-09-23 | 2022-12-16 | 中国五冶集团有限公司 | Raft plate pours shaping and uses support frame |
-
2019
- 2019-10-31 CN CN201921864043.9U patent/CN211498917U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550493A (en) * | 2021-07-09 | 2021-10-26 | 上海市基础工程集团有限公司 | Circular shaft concrete bottom plate steel bar support system and construction method |
| CN114215089A (en) * | 2021-12-08 | 2022-03-22 | 中铁二十局集团第六工程有限公司 | Shaped steel supporting structure for supporting raft plate reinforcing steel bars |
| CN115478553A (en) * | 2022-09-23 | 2022-12-16 | 中国五冶集团有限公司 | Raft plate pours shaping and uses support frame |
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