CN201649623U - Large basement shearing wall truss type steel tube unilateral formwork supporting structure - Google Patents
Large basement shearing wall truss type steel tube unilateral formwork supporting structure Download PDFInfo
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- CN201649623U CN201649623U CN2010201028798U CN201020102879U CN201649623U CN 201649623 U CN201649623 U CN 201649623U CN 2010201028798 U CN2010201028798 U CN 2010201028798U CN 201020102879 U CN201020102879 U CN 201020102879U CN 201649623 U CN201649623 U CN 201649623U
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- cross bar
- steel pipe
- vertical rod
- wall truss
- shear wall
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Abstract
The utility model discloses a large basement shearing wall truss type steel tube unilateral formwork supporting structure, which comprises vertical rods arranged vertically and horizontally in an aligning manner; each vertical rod is provided with cross rod layers at intervals in vertical direction; each cross rod layer comprises a first cross rod with fixed quantity and parallel to a wall surface, and a second cross rod vertical to the wall surface; the vertical rod or/and the cross rod is connected with an inclined rod arranged obliquely; and the vertical rods, the cross rods and the inclined rods are steel pipes and can be installed and connected by detachable structures. The large basement shearing wall truss type steel tube unilateral formwork supporting structure has the advantages of convenient and fast installation, convenient disassembly, and strong overall load-carrying capability of the supporting system, can be constructed in a narrow space, effectively shortens the construction period, improves working efficiency, effectively reduces manufacturing cost of the engineering, and does not need to bond rebars and pre-embed counter screw rods on an enclosure structure, thus avoiding damage to rigid waterproof capability of the shearing wall.
Description
Technical field
The utility model relates to a kind of building and props up mode structure, especially a kind of large-scale basement shear wall truss-like steel pipe single side formwork structure.
Background technology
Two-sided formwork is comparatively extensive the building field use, in common work progress, can play good formwork effect, but two-sided formwork uses when can only be in the space, both sides comparatively spacious, when construction space hour, the construction of two-sided formwork just comparatively the difficulty in addition can't construct, as pressing close to Systems of Red Line in Planning Based when building, when designed distance is too small between outer wall of basement and the space enclosing structure, two-sided formwork then can't carry out, and the less situation of this construction space is comparatively common in the building course of large-scale basement shear wall, can't carry out effective two-sided formwork has brought inconvenience for the construction of large-scale basement shear wall, for this reason, usually adopt traditional single side formwork job practices during the construction of large-scale basement shear wall or adopt the one-sided support of large-scale i iron or adopt on space enclosing structure bar planting and pre-buried Screw arbor with nut at both-ends fixes the method for template, but above-mentioned single side formwork structure all exists shortcoming separately: as traditional single side formwork structure construction technique complexity, construction period is long, does not utilize the construction in modernized house; The configuration of shaped steel formwork method too much is unfavorable for the saving of cost; And bar planting and pre-buried Screw arbor with nut at both-ends fix the method for template on space enclosing structure, owing to being vulnerable to multiple constraint, shrank the shear wall concrete, to produce contraction fissure, during use on space enclosing structure bar planting and pre-buried Screw arbor with nut at both-ends, destroy the body of wall waterproof roll easily, thereby destroy the rigid waterproofing ability of shear wall, above-mentioned technical deficiency has had a strong impact on the construction quality of large-scale basement shear wall.
Summary of the invention
The purpose of this utility model is the large-scale basement shear wall truss-like steel pipe single side formwork structure that the whole stressed property of a kind of support system is strong, installation makes things convenient for, can construct in small space that provides for the deficiency that solves above-mentioned technology.
In order to achieve the above object, the large-scale basement shear wall truss-like steel pipe single side formwork structure that the utility model is designed, it comprises the vertical rod that alignment is in length and breadth arranged, be arranged at intervals with beam layer in the described vertical rod vertically, described beam layer is made of first cross bar parallel with metope of fixed qty and second cross bar vertical with metope, described vertical rod is or/and be connected with the brace of oblique setting on the cross bar, described vertical rod, cross bar and brace are all steel pipe, install by demountable structure therebetween and connect, described vertical rod, cross bar and brace can form stressed of a leg-of-mutton rigidity, can effectively carry out the transmission of power, thereby make that the whole stressed property of whole support system is strong, because the biography of power is diffusing, when in use stressed, overall displacement range is less, is easy to control.
As preferably, the end of described brace is connected with the cross bar of sweeping the floor, and this cross bar of sweeping the floor is connected in the vertical rod simultaneously, and fixedly connected with the pre-pipe laying on the base plate, thereby can better power be passed to the bottom surface, make that the whole stressed property of whole support system is stronger, and it be more firm to connect ground.
As preferably, described pre-pipe laying is made up of embedded bar and outer steel pipe in the pre-buried base plate, outer steel pipe is set in embedded bar and exposes on the part of base plate, and being embedded in when constructing of one side reinforcing bar is comparatively simple, and outer steel pipe can be connected with vertical rod effectively easily.
As preferably, the end of described second cross bar is provided with adjustable pernetti, can regulate passive second cross bar and supporter as the distance between main stupefied, the template etc. by adjustable support, thereby obtain the maximum support effect.
As preferably, connect by fastener between described steel pipe, it is comparatively general that the one side fastener uses in architectural process, and on the other hand, fastener itself can provide good fixed effect.
Can be according to shear wall height, thickness and construction experience, spacing and row's number of cross bar, vertical rod, brace is set, carry out the checking computations of stress performance then, and adjust spacing and row's number and meet the demands until rod member is stressed.As preferably, described vertical rod, cross bar and brace all are spaced set, and preferred scheme is that the spacing between described first cross bar is 900mm, and the spacing between second cross bar is 1000mm, and the beam layer spacing is 450mm, and the brace spacing is 1350mm.
The large-scale basement shear wall truss-like steel pipe single side formwork structure that the utility model obtains, convenient, convenient disassembly is installed, the whole stressed property of support system is strong, can in small space, construct, save the duration effectively, increase work efficiency, in practical engineering application, adopt this single side formwork structure to save the basement shear wall formwork duration about 68% than shaped steel formwork method; On the other hand, materials such as steel pipe in this single side formwork structure and fastener can be used for the template support at other position and setting up of scaffold, the recycling rate of waterused height, avoided purchasing of other mold materials, reduced the cost of engineering effectively, in practical engineering application, adopt this single side formwork structure to save basement shear wall formwork cost 44% than shaped steel formwork method, and need not bar planting and pre-buried Screw arbor with nut at both-ends on space enclosing structure, not only eliminated destruction to the body of wall waterproof roll, the layout that also can prevent sealing up screw causes the generation of concrete shrinkage crack, thereby avoids destroying the rigid waterproofing ability of shear wall.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 and metope parallel direction;
Fig. 2 is the structural representation of embodiment 1 and metope vertical direction.
Among the figure: vertical rod 1, cross bar 2, beam layer 3, first cross bar 4, second cross bar 5, brace 6, pre-pipe laying 7, outer steel pipe 8, embedded bar 9, adjustable pernetti 10, template 11, shear wall 12.
The specific embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
As shown in Figure 1, the described large-scale basement shear wall truss-like steel pipe single side formwork structure of present embodiment, it comprises the vertical rod 1 that alignment is in length and breadth arranged, be arranged at intervals with beam layer 3 in the described vertical rod 1 vertically, described beam layer 3 is made of first cross bar 4 parallel with metope of fixed qty and second cross bar 5 vertical with metope, described vertical rod 1 is connected with the brace 6 of oblique setting, described vertical rod 1, cross bar 2 and brace 6 are all steel pipe, install by demountable structure therebetween and connect, more firm during installation, comparatively convenient during dismounting, and vertical rod 1, cross bar 2 and brace 6 all are spaced set, and wherein the spacing of 4 of all first cross bars is 900mm, and the spacing that second cross bar is 5 is 1000mm, beam layer 3 spacings are 450mm, and brace 6 spacings are 1350mm.End at brace 6 is connected with the cross bar 2 of sweeping the floor, and this cross bar 2 of sweeping the floor is connected in the vertical rod 1 simultaneously, and fixedlys connected with the pre-pipe laying 7 on the base plate.Described pre-pipe laying 7 is made up of embedded bar 9 in the pre-buried base plate and outer steel pipe 8, and embedded bar 9 diameters are got φ 20, and outer steel pipe 8 is set in embedded bar 9 and exposes on the part of base plate, is provided with adjustable pernetti 10 in the end of described second cross bar 5.
In the work progress, just can carry out the installation of present embodiment 1 described large-scale basement shear wall truss-like steel pipe single side formwork structure after template installs, its main process is as follows:
(1) according to the design attitude point, sets up vertical rod 1.
(2) embedded bar 9 puts outer steel pipe 8, and will be connected with the cross bar 2 of sweeping the floor.
(3) set up second cross bar 5 (shearing metope vertical direction), and it is connected with vertical rod 1; Adjustable pernetti 10 is installed, is adjusted adjustable pernetti 10 length, it is withstood main stupefied.
(4) set up first cross bar 4 (shearing metope parallel direction) and brace 6.
Can be after whole support system installs with support and connection such as the post of support system and structure, beam slabs, to strengthen the stability of whole support system.The intersection of all rod members all connects with fastener, is different from traditional, not only simple and practical, but also the single side formwork system that can meet the demands thereby form one.
During the stress performance checking computations, at first calculate the lateral pressure F that acts on the template 11, calculate being stressed of base plate embedded bar 9 and being stressed and amount of deflection of first cross bar, vertical rod then, the stability to brace checks at last.Now the check formula with cross bar, vertical rod, brace is described below:
(1) first cross bar maximum stress f design formulas: (2) first cross bar amount of deflection ω design formulas:
F wherein---is the maximal destruction stress of this beam material F wherein---for acting on the power of cross bar
W
Z---bending sections modulus L---span
M
Z---moment of flexure E---steel pipe modulus of elasticity
I---steel pipe moment of inertia
(3) the vertical rod design formulas that is stressed: (4) vertical rod Calculation of Deflection formula:
F wherein---wherein the implication of letter is the same for the power that acts on vertical rod.
α---reduction coefficient
(4) brace stability checking computations:
F wherein---for acting on the power of brace
φ---stability reduction coefficient of axially loaded compression
A---steel pipe area
The stress of the rod member that calculates is less than [σ]=205N/mm2, and amount of deflection will meet the design specifications requirement.Those skilled in the art can not be described further at this according to the various technical data of above-mentioned formula to calculating.
Claims (7)
1. one kind large-scale basement shear wall truss-like steel pipe single side formwork structure, it comprises the vertical rod that alignment is in length and breadth arranged, it is characterized in that being arranged at intervals with beam layer in the described vertical rod vertically, described beam layer is made of first cross bar parallel with metope of fixed qty and second cross bar vertical with metope, described vertical rod is or/and be connected with the brace of oblique setting on the cross bar, described vertical rod, cross bar and brace are all steel pipe, install by demountable structure therebetween to connect.
2. large-scale basement shear wall truss-like steel pipe single side formwork structure according to claim 1 is characterized in that the end of described brace is connected with the cross bar of sweeping the floor, and this cross bar of sweeping the floor is connected in the vertical rod simultaneously, and fixedlys connected with the pre-pipe laying on the base plate.
3. large-scale basement shear wall truss-like steel pipe single side formwork structure according to claim 2 is characterized in that described pre-pipe laying is made up of embedded bar and outer steel pipe in the pre-buried base plate, and outer steel pipe is set in embedded bar and exposes on the part of base plate.
4. according to claim 1 or 2 or 3 described large-scale basement shear wall truss-like steel pipe single side formwork structures, it is characterized in that the end of described second cross bar is provided with adjustable pernetti.
5. according to claim 1 or 2 or 3 described large-scale basement shear wall truss-like steel pipe single side formwork structures, it is characterized in that connecting by fastener between described steel pipe.
6. according to claim 1 or 2 or 3 described large-scale basement shear wall truss-like steel pipe single side formwork structures, it is characterized in that described vertical rod, cross bar and brace all are spaced set.
7. large-scale basement shear wall truss-like steel pipe single side formwork structure according to claim 6 is characterized in that the spacing between described first cross bar is 900mm, and the spacing between second cross bar is 1000mm, and the beam layer spacing is 450mm, and the brace spacing is 1350mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201028798U CN201649623U (en) | 2010-01-28 | 2010-01-28 | Large basement shearing wall truss type steel tube unilateral formwork supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201028798U CN201649623U (en) | 2010-01-28 | 2010-01-28 | Large basement shearing wall truss type steel tube unilateral formwork supporting structure |
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| CN201649623U true CN201649623U (en) | 2010-11-24 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195087A (en) * | 2013-04-09 | 2013-07-10 | 中建五局土木工程有限公司 | Mould support method of foundation pit basement haunch shearing wall |
| CN106245678A (en) * | 2016-08-03 | 2016-12-21 | 陕西建工第建设集团有限公司 | Outer wall of basement single side formwork construction method based on steel pipe truss |
| CN106592754A (en) * | 2016-12-27 | 2017-04-26 | 中建四局第五建筑工程有限公司 | Method for guaranteeing waterproof construction quality of deep foundation pit basement |
| CN109208790A (en) * | 2018-09-29 | 2019-01-15 | 温州建设集团有限公司 | Circular arc shear wall single side formwork construction method |
| CN110017141A (en) * | 2019-04-22 | 2019-07-16 | 中建三局基础设施建设投资有限公司 | A kind of ultra-deep shaft concrete ring grid beam quick template supporting system and its construction method |
| CN110528733A (en) * | 2019-08-28 | 2019-12-03 | 东南大学 | A kind of construction method of steel-concrete combination shear wall with short piers |
| CN111101701A (en) * | 2020-01-03 | 2020-05-05 | 北京城建集团有限责任公司 | Basement outer wall unilateral formwork supporting system and construction method thereof |
| CN111549821A (en) * | 2020-05-30 | 2020-08-18 | 深圳市建工集团股份有限公司 | Floor type scaffold erecting method for synchronous construction with basement roof earthwork backfilling |
| CN113027118A (en) * | 2021-03-01 | 2021-06-25 | 中建二局第三建筑工程有限公司 | Can have enough to meet need and loose unilateral formwork steel support of piece together formula |
-
2010
- 2010-01-28 CN CN2010201028798U patent/CN201649623U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195087A (en) * | 2013-04-09 | 2013-07-10 | 中建五局土木工程有限公司 | Mould support method of foundation pit basement haunch shearing wall |
| CN103195087B (en) * | 2013-04-09 | 2015-05-06 | 中建五局土木工程有限公司 | Mould support method of foundation pit basement haunch shearing wall |
| CN106245678A (en) * | 2016-08-03 | 2016-12-21 | 陕西建工第建设集团有限公司 | Outer wall of basement single side formwork construction method based on steel pipe truss |
| CN106592754A (en) * | 2016-12-27 | 2017-04-26 | 中建四局第五建筑工程有限公司 | Method for guaranteeing waterproof construction quality of deep foundation pit basement |
| CN109208790A (en) * | 2018-09-29 | 2019-01-15 | 温州建设集团有限公司 | Circular arc shear wall single side formwork construction method |
| CN110017141A (en) * | 2019-04-22 | 2019-07-16 | 中建三局基础设施建设投资有限公司 | A kind of ultra-deep shaft concrete ring grid beam quick template supporting system and its construction method |
| CN110528733A (en) * | 2019-08-28 | 2019-12-03 | 东南大学 | A kind of construction method of steel-concrete combination shear wall with short piers |
| CN111101701A (en) * | 2020-01-03 | 2020-05-05 | 北京城建集团有限责任公司 | Basement outer wall unilateral formwork supporting system and construction method thereof |
| CN111549821A (en) * | 2020-05-30 | 2020-08-18 | 深圳市建工集团股份有限公司 | Floor type scaffold erecting method for synchronous construction with basement roof earthwork backfilling |
| CN111549821B (en) * | 2020-05-30 | 2021-08-24 | 深圳市建工集团股份有限公司 | Floor type scaffold erecting method for synchronous construction with basement roof earthwork backfilling |
| CN113027118A (en) * | 2021-03-01 | 2021-06-25 | 中建二局第三建筑工程有限公司 | Can have enough to meet need and loose unilateral formwork steel support of piece together formula |
| CN113027118B (en) * | 2021-03-01 | 2021-12-14 | 中建二局第三建筑工程有限公司 | Can have enough to meet need and loose unilateral formwork steel support of piece together formula |
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