CN103603494B - A kind of ultra-thin steel truss sloping core construction method and formwork structure - Google Patents

A kind of ultra-thin steel truss sloping core construction method and formwork structure Download PDF

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Publication number
CN103603494B
CN103603494B CN201310345873.1A CN201310345873A CN103603494B CN 103603494 B CN103603494 B CN 103603494B CN 201310345873 A CN201310345873 A CN 201310345873A CN 103603494 B CN103603494 B CN 103603494B
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China
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mould plate
reinforcement bar
bar truss
truss mould
substructure
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CN103603494A (en
Inventor
胡畔
罗宗礼
刘睿
吴小鑫
刘岩棚
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Sixth Construction Co Ltd of China Construction Fourth Engineering Division Co Ltd
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Sixth Construction Co Ltd of China Construction Fourth Engineering Division Co Ltd
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Abstract

<b> the invention discloses a kind of ultra-thin steel truss sloping core construction method and structure.The method is dead joint member in superstructure and substructure; The outside of inclined wall adopts reinforcement bar truss mould plate as supporting member, and reinforcement bar truss mould plate two ends are connected the outer support template as inclined wall with the connecting elements in superstructure and substructure; The inner side of body of wall adopts common templates; Be connected by Screw arbor with nut at both-ends between common templates with reinforcement bar truss mould plate; Concreting adopts self-compacting concrete.The present invention adopts reinforcement bar truss mould plate as the support outside inclined wall, still adopts common templates inside inclined wall, solve sloping core in building operations install in a difficult problem.The technology of the present invention is simple, and in-site installation efficiency is high, reliable in quality, and the construction period is short, and labor intensive is low, and labour can be arranged to construct simultaneously; Material can be processed in materials processing field, and assembled work directly can be carried out in scene, saves the duration; Construction quality reaches designing requirement.</b>

Description

A kind of ultra-thin steel truss sloping core construction method and formwork structure
Technical field
the present invention relates to a kind of ultra-thin steel truss sloping core construction method and formwork structure, belong to construction work medium dip shear wall formwork and install technical field.
Background technology
in building engineering construction, usually can run into have in constructed construction work backer part needs to carry out the sloping core construction that a large amount of thickness is about 150mm.At present, when constructing, the form bracing system of the routine adopted mainly contain steel pipe form bracing system, the rim of a bowl formula form bracing system, from jacking creeping formwork support system etc.Because body of wall is incline structure, wall outer side is massif, according to steel pipe form bracing system, the rim of a bowl formula form bracing system, needs the vertical rod of support to be supported on the massif of wall outer side, there is certain potential safety hazard; Because this sloping core is rear construction, set up according to climbing form system, its difficulty is comparatively large, and cost is higher.So existing sloping core form of construction work is not ideal.
Summary of the invention
the object of the invention is to, a kind of ultra-thin steel truss sloping core construction method and formwork structure are provided, with solve sloping core in building construction process install in a difficult problem, guarantee construction safety and construction quality, thus overcome the deficiencies in the prior art.
technical scheme of the present invention:
a kind of ultra-thin steel truss sloping core construction method, the method is dead joint member in superstructure and substructure; The outside of inclined wall adopts reinforcement bar truss mould plate as supporting member, and reinforcement bar truss mould plate two ends are connected the outer support template as inclined wall with the connecting elements in superstructure and substructure; The inner side of body of wall adopts common templates; Be connected by Screw arbor with nut at both-ends between common templates with reinforcement bar truss mould plate; Concreting adopts self-compacting concrete.
in preceding method, the model of described reinforcement bar truss mould plate is TD7-120; Reinforcement bar truss mould plate is laid piecewise along inclined wall length direction, lays when remaining a short of width reinforcement bar truss mould plate width in space with wooden form.
in preceding method, described concreting adopts placement layer by layer, builds at every turn and is highly no more than 3m.
in preceding method, described superstructure and substructure reserve bar planting when constructing, and bar planting is welded with the steel mesh reinforcement in reinforcement bar truss mould plate and inclined wall or colligation is connected.
in preceding method, described reinforcement bar truss mould plate and wooden form and the junction blowing agent between superstructure and substructure are filled, with mortar leakage prevention.
according to the ultra-thin steel truss sloping core formwork structure that preceding method is formed, comprise the connecting elements be separately fixed in superstructure and substructure, be separately fixed between the connecting elements in superstructure and substructure and connect through reinforcement bar truss mould plate, the inner side of reinforcement bar truss mould plate is provided with common templates, and reinforcement bar truss mould plate and common templates are through Screw arbor with nut at both-ends reinforcement by connection.
in aforementioned structure, described connecting elements comprises one group of fixed head and gripper shoe, and one group of fixed head is uniform along inclined wall length direction, and fixed head is connected with superstructure or substructure respectively through expansion bolt; Length and the inclined wall length of gripper shoe are isometric, and the angle of inclination that gripper shoe presses inclined wall is welded with fixed head; Described reinforcement bar truss mould plate two ends connect respectively and are supported in fixed head and gripper shoe.
in aforementioned structure, described fixed head is provided with stiffener.
in aforementioned structure, nine laminates of described common templates to be thickness be 18mm, the back side of common templates is provided with one group of vertical back cord and one group of horizontal back cord; The horizontal back cord of bottommost is 150 ~ 200mm apart from substructure upper surface distance.
in aforementioned structure, described vertical back cord is long flitch, and horizontal back cord is two steel pipes; Be provided with one group of Screw arbor with nut at both-ends between two steel pipe, Screw arbor with nut at both-ends one end is provided with butterfly button, and butterfly button is connected with horizontal back cord, and the Screw arbor with nut at both-ends other end is connected with reinforcement bar truss mould plate.
compared with prior art, the present invention adopts reinforcement bar truss mould plate as the support outside inclined wall, still adopt common templates inside inclined wall, present invention efficiently solves sloping core in Building Construction install in a difficult problem, guarantee construction safety and construction quality.The present invention's application verification in the construction in No. one building of handling official business in Kweiyang gardens and orchards project, prove that the present invention not only has that construction quality is good, structure is reliable, the advantage of good stability, and the advantage such as the present invention also possesses skills simply, in-site installation efficiency is high, workmanship is reliable, the construction period is short, labor intensive is low.Adopt the present invention that labour can be arranged to construct simultaneously; Material can be processed in materials processing field, and assembled work directly can be carried out in scene, saves the duration; Construction quality can reach designing requirement completely.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is the schematic diagram that common templates is connected with reinforcement bar truss mould plate;
fig. 3 is the front view of Fig. 2.
being labeled as in accompanying drawing: 1-superstructure, 2-substructure, 3-reinforcement bar truss mould plate, 4-common templates, 5-Screw arbor with nut at both-ends, 6-fixed head, 7-gripper shoe, 8-expansion bolt, 9-stiffener, the vertical back cord of 10-, the horizontal back cord of 11-, 12-butterfly button.
Detailed description of the invention
below in conjunction with accompanying drawing, the present invention is described in further detail, but not as any limitation of the invention.
a kind of ultra-thin steel truss sloping core construction method, as Figure 1-3.The method is dead joint member in superstructure and substructure; The outside of inclined wall adopts reinforcement bar truss mould plate as supporting member, and reinforcement bar truss mould plate two ends are connected the outer support template as inclined wall with the connecting elements in superstructure and substructure; The inner side of body of wall adopts common templates; Be connected by Screw arbor with nut at both-ends between common templates with reinforcement bar truss mould plate; Concreting adopts self-compacting concrete.The model of described reinforcement bar truss mould plate is TD7-120; Reinforcement bar truss mould plate is laid piecewise along inclined wall length direction, lays when remaining a short of width reinforcement bar truss mould plate width in space with wooden form.Described concreting adopts placement layer by layer, builds at every turn and is highly no more than 3m.Described superstructure and substructure reserve bar planting when constructing, and bar planting is welded with the steel mesh reinforcement in reinforcement bar truss mould plate and inclined wall or colligation is connected (preferably adopting welding).Described reinforcement bar truss mould plate and wooden form and the junction blowing agent between superstructure and substructure are filled, with mortar leakage prevention.
according to the one of the present invention ultra-thin steel truss sloping core formwork structure that said method is formed, as Figure 1-3, this structure comprises the connecting elements be separately fixed in superstructure 1 and substructure 2, be separately fixed between the connecting elements in superstructure 1 and substructure 2 through reinforcement bar truss mould plate 3 reinforcement by connection, the inner side of reinforcement bar truss mould plate 3 is provided with common templates 4, and reinforcement bar truss mould plate 3 is connected through Screw arbor with nut at both-ends 5 with common templates 4.Described connecting elements comprises one group of fixed head 6 and gripper shoe 7, one group of fixed head 6 is uniform along inclined wall length direction, and fixed head 6 is connected with superstructure 1 or substructure 2 respectively through expansion bolt 8; Length and the inclined wall length of gripper shoe 7 are isometric, and gripper shoe 7 is welded with fixed head 6 by the angle of inclination of inclined wall; Described reinforcement bar truss mould plate 3 two ends connect respectively and are supported in fixed head and gripper shoe.Fixed head 6 is provided with stiffener 9.Described common templates 4 for thickness be nine laminates of 18mm, the back side of common templates 4 is provided with one group of vertical back cord 10 and one group of horizontal back cord 11; The horizontal back cord 11 of bottommost is 150 ~ 200mm apart from substructure 2 upper surface distance.Described vertical back cord 10 is long flitch, and horizontal back cord 11 is two steel pipes; One group of Screw arbor with nut at both-ends 5 is provided with between two steel pipe, Screw arbor with nut at both-ends 5 one end is provided with butterfly button 12, butterfly button 12 is connected with horizontal back cord 11 (by butterfly button 12 fastening on horizontal back cord 11), is connected by Screw arbor with nut at both-ends 5 other end (welding with wind up muscle or the lower edge muscle on reinforcement bar truss mould plate 3 by Screw arbor with nut at both-ends 5 other end) with reinforcement bar truss mould plate 3.
embodiment
in this example, the specification of each parts is as follows:
the model of reinforcement bar truss mould plate 3 is TD7-120 steel truss template; Fixed head 6 adopts 150X50X10mm steel plate, spacing 500mm; Stiffener 9 adopts 150X50X10mm steel plate, spacing 500mm; Gripper shoe 7 adopts 150X10mm steel plate, length and inclined wall isometric; The specification of expansion bolt 8 is Φ 19X400; Horizontal back cord 11 adopts two steel pipe, and steel pipe specification is Φ 48X3.6mm; Vertical back cord 10 adopts 40X90 flitch, level interval 200mm; Common templates 4 adopts thick nine laminates of 18mm; Screw arbor with nut at both-ends 5 adopts Φ 14 screw rod, and length is greater than wall thickness and adds both sides template thickness, level interval 500mm; Butterfly button 11 adopts the butterfly supporting with Φ 48 steel pipe to buckle.
during concrete enforcement, can as shown in Figure 1-Figure 3, implement according to the following steps:
1, reserved sloping core reinforcing bar
the vertical reinforcement of reserved sloping core in up-down structure beam; For ensureing the stressed of sloping core reinforcing bar, sloping core horizontal distribution reinforcing bar need carry out bar planting process, and vertical bar planting spacing is with reference to sloping core arrangement of reinforcement in construction drawing, and the bar planting degree of depth meets code requirement.
2, mounting plate
fixed head 6 fixes one along inclined wall length direction at interval of 500mm, adopts expansion bolt to fix.Gripper shoe 7 and stiffener 9 weld with fixed head 6, and weld seam is full weld, and gripper shoe 7 is for fixing reinforcement bar truss mould plate 3.
3, reinforcement bar truss mould plate is laid
from side, be close to structure and lay first piece of reinforcement bar truss mould plate 3, adopt catching groove to connect, lay piecewise between adjacent reinforcement bar truss mould plate, the adopted wooden model that opposite side gap length is less than monolithic reinforcement bar truss mould plate width is laid; Reinforcement bar truss mould plate upper and lower sides is welded on the connecting elements that is made up of fixed head 6, gripper shoe 7 and stiffener 9; Blowing agent blind can be used, spillage during to prevent from building in reinforcement bar truss mould plate 3 and structure junction.
4, the steel mesh reinforcement on reinforcement bar truss mould plate 3 in colligation inclined wall, steel mesh reinforcement and the vertical reinforcement in up-down structure together with bar planting colligation, and together with the steel bar girder colligation on reinforcement bar truss mould plate 3.
5, inside reinforcement bar truss mould plate, common templates is fixed
common templates 4 adopts 18 thick nine laminates, and vertical back cord 10 adopts the flitch of 40 × 90200, and horizontal back cord 11 adopts Φ 48 × 3.6 pairs of steel pipes, and spacing is 500m, and the most beneath liftoff 200mm of horizontal back cord together, Screw arbor with nut at both-ends adopts Φ 14 Screw arbor with nut at both-ends.
6, concreting, sloping core has been constructed
adopt artificial truck or pump line to build self-compacting concrete, placement layer by layer, build at every turn and be no more than 3m.

Claims (10)

1. a ultra-thin steel truss sloping core construction method, is characterized in that: the method is dead joint member in superstructure and substructure; The outside of inclined wall adopts reinforcement bar truss mould plate as supporting member, and reinforcement bar truss mould plate two ends are connected the outer support template as inclined wall with the connecting elements in superstructure and substructure; The inner side of body of wall adopts common templates; Be connected by Screw arbor with nut at both-ends between common templates with reinforcement bar truss mould plate; Concreting adopts self-compacting concrete.
2. method according to claim 1, is characterized in that: the model of described reinforcement bar truss mould plate is TD7-120; Reinforcement bar truss mould plate is laid piecewise along inclined wall length direction, lays when remaining a short of width reinforcement bar truss mould plate width in space with wooden form.
3. method according to claim 1, is characterized in that: described concreting adopts placement layer by layer, builds at every turn and is highly no more than 3m.
4. method according to claim 1, is characterized in that: described superstructure and substructure reserve bar planting when constructing, and bar planting is welded with the steel mesh reinforcement in reinforcement bar truss mould plate and inclined wall or colligation is connected.
5. method according to claim 1, is characterized in that: described reinforcement bar truss mould plate and wooden form and the junction blowing agent between superstructure and substructure are filled, with mortar leakage prevention.
6. the ultra-thin steel truss sloping core formwork structure of an either method formation according to claims 1 to 5, it is characterized in that: comprise the connecting elements be separately fixed in superstructure (1) and substructure (2), be separately fixed between the connecting elements in superstructure (1) and substructure (2) and connect through reinforcement bar truss mould plate (3), the inner side of reinforcement bar truss mould plate (3) is provided with common templates (4), and reinforcement bar truss mould plate (3) and common templates (4) are through Screw arbor with nut at both-ends (5) reinforcement by connection.
7. structure according to claim 6, it is characterized in that: described connecting elements comprises fixed head (6) and gripper shoe (7), fixed head (6) is uniform along inclined wall length direction, and fixed head (6) is connected with superstructure (1) or substructure (2) respectively through expansion bolt (8); Length and the inclined wall length of gripper shoe (7) are isometric, and gripper shoe (7) is welded with fixed head (6) by the angle of inclination of inclined wall; Described reinforcement bar truss mould plate (3) two ends connect respectively and are supported in fixed head (6) and gripper shoe (7).
8. structure according to claim 7, is characterized in that: described fixed head (6) is provided with stiffener (9).
9. structure according to claim 6, is characterized in that: described common templates (4) for thickness be nine laminates of 18mm, the back side of common templates (4) is provided with one group of vertical back cord (10) and one group of horizontal back cord (11); The horizontal back cord (11) of bottommost is 150 ~ 200mm apart from substructure (2) upper surface distance.
10. structure according to claim 9, is characterized in that: described vertical back cord (10) is long flitch, and horizontal back cord (11) is two steel pipes; Be provided with one group of Screw arbor with nut at both-ends (5) between two steel pipe, Screw arbor with nut at both-ends (5) one end is provided with butterfly button (12), and butterfly button (12) is connected with horizontal back cord (11), and Screw arbor with nut at both-ends (5) other end is connected with reinforcement bar truss mould plate (3).
CN201310345873.1A 2013-08-09 2013-08-09 A kind of ultra-thin steel truss sloping core construction method and formwork structure Active CN103603494B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103397780B (en) * 2013-08-09 2016-01-20 四川电力建设三公司 Air cooling tower X-type column construction method
CN103967277B (en) * 2014-05-21 2016-08-17 中国建筑第八工程局有限公司 Super High Core Walls Structure tilts the construction method of shear wall
CN105804291B (en) * 2016-04-28 2017-12-22 中国建筑第八工程局有限公司 Clear-water concrete sloping core interlayer transition system and its construction method
CN112377218B (en) * 2020-11-19 2022-07-29 江苏速捷模架科技有限公司 Tunnel formwork support combined sliding rail truss support lattice system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0754361A (en) * 1993-08-19 1995-02-28 Shinwa:Kk Construction method of wall for slope face, building, or the like, and built-up reinforcement used therefor
CN2701974Y (en) * 2004-07-15 2005-05-25 北京建工一建工程建设有限公司 Truss type formwork without bolt through wall
KR20090004113U (en) * 2007-10-29 2009-05-06 이승준 The power truss of a mold for corner wall
CN202577949U (en) * 2012-05-04 2012-12-05 伟基建设集团有限公司 Truss for supporting concrete shear wall templates and assembly structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0754361A (en) * 1993-08-19 1995-02-28 Shinwa:Kk Construction method of wall for slope face, building, or the like, and built-up reinforcement used therefor
CN2701974Y (en) * 2004-07-15 2005-05-25 北京建工一建工程建设有限公司 Truss type formwork without bolt through wall
KR20090004113U (en) * 2007-10-29 2009-05-06 이승준 The power truss of a mold for corner wall
CN202577949U (en) * 2012-05-04 2012-12-05 伟基建设集团有限公司 Truss for supporting concrete shear wall templates and assembly structure

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Address after: 230000 building 3, 262 Heping Road, Yaohai District, Hefei City, Anhui Province

Patentee after: No 6 Construction Co.,Ltd. of China Construction Fourth Engineering Bureau

Address before: 550081 8th floor, building e, century Jinyuan wealth center, guanshanhu District, Guiyang City, Guizhou Province

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