CN103556826B - The superstructure region supports system construction method of region, ater-casting and both sides thereof - Google Patents

The superstructure region supports system construction method of region, ater-casting and both sides thereof Download PDF

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Publication number
CN103556826B
CN103556826B CN201310576928.XA CN201310576928A CN103556826B CN 103556826 B CN103556826 B CN 103556826B CN 201310576928 A CN201310576928 A CN 201310576928A CN 103556826 B CN103556826 B CN 103556826B
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China
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ater
casting
superstructure
region supports
vertical rod
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CN201310576928.XA
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Chinese (zh)
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CN103556826A (en
Inventor
贾华远
牟立群
周旋
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山东万鑫建设有限公司
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Publication of CN103556826A publication Critical patent/CN103556826A/en
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Abstract

The invention belongs to building structure technology field, particularly one prevents both sides, ater-casting superstructure subsidence crack construction method, takes following steps: 1) line setting; 2) vertical rod is set up; 3) horizon bar is set up; 4) vertical bridging is set up; 5) adjustable rest is installed; 6) steel pipe master is installed stupefied; 7) lumps of wood is installed secondary stupefied; 8) beam-slab template is laid; 9) assembling reinforcement; 10) ater-casting is separated; 11) concreting; 12) upper strata vertical rod support system is set up; 13) stripping support system.The load that the present invention bears according to actual condition determination late poured band support system, and support system is set up after scientific design checking computations, ensure that the structural safety of both sides, ater-casting superstructure; Ater-casting region supports system is set to independent bearing system, by working load effect during concreting, makes it be in compressive pre-stress state, eliminate superstructure rigid deformation; Economical rationality, safe and reliable, meet energy-conserving and environment-protective and green construction requirement.

Description

The superstructure region supports system construction method of region, ater-casting and both sides thereof
Technical field
The present invention relates to the superstructure region supports system construction method of region, a kind of ater-casting and both sides thereof, belong to building structure technology field.
Background technology
In recent years, building structure is generally to overlength super large future development.For preventing structure temperature from ftractureing, staying from basis to agent structure and establishing the temperature post-cast strip of through full height to become Normal practice.But ater-casting region supports system must remove superstructure form bracing system after one deck superstructure concrete reaches design strength, only retain ater-casting region supports system, even after overall pulling down, secondary sets up ater-casting region supports system again.Under this kind of operating mode, the superstructure of ater-casting region supports system is in freely-supported stress, when upper strata superstructure continues construction, the ater-casting region supports system vertical rod that traditional method is designed according to one deck working load is actual assume responsibility for two-layer and above working load, therefore the superstructure subsidence crack phenomenon often making it produce compressive strain to cause, seriously reduce safety of structure and durability, become a technical barrier anxious to be resolved.
Summary of the invention
The technical problem to be solved in the present invention is: provide one can prevent both sides, ater-casting superstructure subsidence crack, guarantee building cover structure safety, environmental protection, and the superstructure region supports system construction method of the region, ater-casting of economical rationality and both sides thereof.
The superstructure region supports system construction method of region, ater-casting of the present invention and both sides thereof, is characterized in that taking following steps:
1) line setting: on Base isolation system according to longitudinal and transverse spacing be 600 ~ 900mm distance respectively bullet survey the vertical rod position line of ater-casting region supports system and superstructure region supports system;
2) vertical rod is set up: under the region supports system vertical rod of ater-casting, lay billet, and simultaneously by accurately in place for the vertical rod of ater-casting region supports system and superstructure region supports system;
3) horizon bar is set up: according to ater-casting region supports system and superstructure region supports system pouring frame post and set up horizon bar respectively, and disconnect at position, two regional edge boundary lines, then adopt short steel pipes to cross over and connect horizon bar gap, adopt fastener to be connected between short steel pipes with horizon bar, and adopt thick pillar garter spring to embrace horizon bar and frame column to be connected;
4) vertical bridging is set up: set up ater-casting region supports system and the vertical bridging of superstructure region supports system respectively, and each architectonical, and make the angle of vertical bridging and horizontal plane be 45 ~ 60 °;
5) adjustable rest is installed: the adjustable rest of formula of putting more energy into inserting diameter 30 ~ 36 ㎜ above vertical rod, forms axle center power transmission;
6) steel pipe master is installed stupefied: placing steel tubes master is stupefied on adjustable rest, and latched position after making it placed in the middle;
7) lumps of wood is installed secondary stupefied: place the lumps of wood on the steel pipe master beyond edge, ater-casting is stupefied secondary stupefied;
8) beam-slab template is laid: on the lumps of wood is time stupefied, lay the thick bamboo plywood beam forms of 12 ~ 15 ㎜ and Bars In Poured Concrete Slab template;
9) assembling reinforcement: ater-casting and superstructure reinforcing bar binding and examination;
10) ater-casting is separated: the dense mesh of colligation aperture 0.98 ~ 1.6 ㎜ on the upper and lower Reinforcement of the beam slab of ater-casting section part, and 12 ~ 15 ㎜ thickness bamboo plywood bars are inserted outside it, the width of bamboo plywood bar is equal with distance of reinforcing bar width, makes edge, ater-casting form vertical construction joints;
11) concreting: build superstructure concrete to edge, ater-casting;
12) set up upper strata vertical rod support system: after superstructure concrete reaches 1.2MPa, adopt the method identical with this layer, set up ater-casting, upper strata and superstructure region supports system, and alignd in vertical rod levels center;
13) stripping support system: after superstructure concrete strength reaches c25 ~ c40, removes superstructure region supports system, retains ater-casting region supports system.
The invention has the beneficial effects as follows:
1) according to the load that actual condition determination late poured band support system is born, and set up support system after scientific design checking computations, ensure that the structural safety of both sides, ater-casting superstructure.Solve due to traditional ater-casting region supports System Design and construction, identical with superstructure region supports system, the vertical rod Lack of supports caused etc. produce distortion, cause both sides, ater-casting building cover structure cracking, often need to carry out consolidation process to it, seriously reduce safety of structure and durability, have impact on again construction speed and the problem adding construction cost.
2) ater-casting region supports system is set to independent bearing system, by working load effect during concreting, makes it be in compressive pre-stress state, eliminate superstructure rigid deformation.Solve due to traditional ater-casting region supports system construction method, it is its support system of first secondary supplement before dismounting superstructure form bracing system, the overall pulling down support system set up of first time again, the ater-casting region supports system that secondary is set up is difficult to hold out against with beam slab, the problem of both sides, the ater-casting superstructure sedimentation and deformation caused.
3) late poured band support System structure is simple, workable, and economical rationality is safe and reliable, be convenient to ensure construction quality, and adopt fastener type steel pipe support system, flexible arrangement, strong adaptability, and welding phosgene pollutes, recovery utilization rate, up to 100%, meets energy-conserving and environment-protective and green construction requirement.
Accompanying drawing explanation
Fig. 1 is region, ater-casting of the present invention and superstructure region supports system layout plan.
Fig. 2 is A-A generalized section in Fig. 1.
Fig. 3 is B-B generalized section in Fig. 1.
Fig. 4 is the structure for amplifying schematic diagram at A place in Fig. 2.
Fig. 5 is the structure for amplifying schematic diagram at B place in Fig. 2.
Fig. 6 is the structure for amplifying schematic diagram at C place in Fig. 2.
Fig. 7 is the structure for amplifying schematic diagram at D place in Fig. 3.
In figure: 1, time stupefied 19, the steel pipe master of superstructure region supports system 2, boundary line 3, ater-casting region supports system 4, vertical rod 5, vertical bridging 6, frame column 7, edge, ater-casting 8, reinforcing bar 9, superstructure concrete 10, Bars In Poured Concrete Slab template 11, bamboo plywood beam forms 12, Base isolation system 13, billet 14, horizon bar 15, short steel pipes 16, fastener 17, adjustable rest 18, the lumps of wood stupefied 20, bamboo plywood bar 21, dense mesh.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Fig. 1 ~ Fig. 7, the superstructure region supports system construction method of region, ater-casting of the present invention and both sides thereof, is characterized in that taking following steps:
1) line setting: on Base isolation system 12 according to longitudinal and transverse spacing be 600 ~ 900mm distance respectively bullet survey vertical rod 4 position line of ater-casting region supports system 3 and superstructure region supports system 1;
2) vertical rod is set up: the vertical rod of ater-casting region supports system 3 lays billet 13 4 times, and simultaneously by accurately in place for the vertical rod 4 of ater-casting region supports system 3 and superstructure region supports system 1;
3) horizon bar is set up: according to ater-casting region supports system 3 and superstructure region supports system 1 pouring frame post 6 and set up horizon bar 14 respectively, and disconnect at position, two regional edge boundary lines 2, then adopt short steel pipes 15 to cross over and connect horizon bar 14 gap, adopt fastener 16 to be connected between short steel pipes 15 with horizon bar 14, and adopt thick pillar garter spring to embrace horizon bar 14 and frame column 6 to be connected;
4) vertical bridging is set up: set up ater-casting region supports system 3 and the vertical bridging 5 of superstructure region supports system 1 respectively, and each architectonical, and make vertical bridging 5 be 45 ~ 60 ° with the angle of horizontal plane;
5) adjustable rest is installed: the adjustable rest 17 of formula of putting more energy into inserting diameter 30 ~ 36 ㎜ above vertical rod 4, forms axle center power transmission;
6) steel pipe master is installed stupefied: placing steel tubes master stupefied 19 on adjustable rest 17, and latched position after making it placed in the middle;
7) lumps of wood is installed secondary stupefied: the steel pipe master stupefied 19 beyond edge, ater-casting 7 places the lumps of wood secondary stupefied 18;
8) beam-slab template is laid: on the lumps of wood secondary stupefied 18, lay the thick bamboo plywood beam forms 11 of 12 ~ 15 ㎜ and Bars In Poured Concrete Slab template 10;
9) assembling reinforcement: ater-casting superstructure reinforcing bar 8 colligation and examination;
10) ater-casting is separated: the dense mesh 21 of colligation aperture 0.98 ~ 1.6 ㎜ on the upper and lower Reinforcement 8 of the beam slab of ater-casting section part, and 12 ~ 15 ㎜ thickness bamboo plywood bars 20 are inserted outside it, the width of bamboo plywood bar 20 is equal with distance of reinforcing bar width, makes edge, ater-casting 7 form vertical construction joints;
11) concreting: build edge, superstructure concrete 9 to ater-casting 7;
12) set up upper strata vertical rod support system: after superstructure concrete 9 reaches 1.2MPa, adopt the method identical with this layer, set up ater-casting, upper strata and superstructure region supports system, and alignd in vertical rod 4 levels center;
13) stripping support system: after superstructure concrete 9 intensity reaches c25 ~ c40, removes superstructure region supports system 1, retains ater-casting region supports system 3.

Claims (1)

1. a superstructure region supports system construction method for region, ater-casting and both sides thereof, is characterized in that taking following steps:
1) line setting: on Base isolation system (12) according to longitudinal and transverse spacing be 600 ~ 900mm distance respectively bullet survey ater-casting region supports system (3) and vertical rod (4) position line of superstructure region supports system (1);
2) vertical rod is set up: under ater-casting region supports system (3) vertical rod (4), lay billet (13), and simultaneously by accurately in place for the vertical rod (4) of ater-casting region supports system (3) and superstructure region supports system (1);
3) horizon bar is set up: distinguish pouring frame post (6) according to ater-casting region supports system (3) and superstructure region supports system (1) and set up horizon bar (14), and disconnect at two regional edge boundary line (2) positions, then adopt short steel pipes (15) to cross over and connect horizon bar (14) gap, adopt fastener (16) to be connected between short steel pipes (15) with horizon bar (14), and adopt thick pillar garter spring to embrace with frame column (6) horizon bar (14) to be connected;
4) vertical bridging is set up: set up ater-casting region supports system (3) and the vertical bridging (5) of superstructure region supports system (1) respectively, and each architectonical, and make vertical bridging (5) be 45 ~ 60 ° with the angle of horizontal plane;
5) adjustable rest is installed: the adjustable rest of formula of putting more energy into (17) of diameter 30 ~ 36 ㎜ is inserted in vertical rod (4) top, forms axle center power transmission;
6) steel pipe master is installed stupefied: the upper placing steel tubes master stupefied (19) of adjustable rest (17), and latched position after making it placed in the middle;
7) lumps of wood is installed secondary stupefied: the steel pipe master beyond edge, ater-casting (7) stupefied (19) is upper places the lumps of wood time stupefied (18);
8) beam-slab template is laid: in the upper thick bamboo plywood beam forms (11) of laying 12 ~ 15 ㎜ of the lumps of wood time stupefied (18) and Bars In Poured Concrete Slab template (10);
9) assembling reinforcement: ater-casting and (8) colligation of superstructure reinforcing bar and examination;
10) ater-casting is separated: at the dense mesh (21) of upper colligation aperture 0.98 ~ 1.6 ㎜ of the upper and lower Reinforcement of the beam slab of ater-casting section part (8), and 12 ~ 15 ㎜ thickness bamboo plywoods bar (20) are inserted outside it, the width of bamboo plywood bar (20) is equal with distance of reinforcing bar width, makes edge, ater-casting (7) form vertical construction joints;
11) concreting: build superstructure concrete (9) to edge, ater-casting (7);
12) set up upper strata vertical rod support system: after superstructure concrete (9) reaches 1.2MPa, adopt the method identical with this layer, set up ater-casting, upper strata and superstructure region supports system, and alignd in vertical rod (4) levels center;
13) stripping support system: after superstructure concrete (9) intensity reaches c25 ~ c40, removes superstructure region supports system (1), retains ater-casting region supports system (3).
CN201310576928.XA 2013-11-18 2013-11-18 The superstructure region supports system construction method of region, ater-casting and both sides thereof CN103556826B (en)

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CN105019656B (en) * 2015-08-07 2017-04-12 山东金城建设有限公司 Construction method for floor system concrete post-cast strip suspended formwork
CN105863088B (en) * 2016-06-06 2017-12-19 山东万鑫建设有限公司 Ultralong floor concrete last-cost joint design and construction technique
CN107975137B (en) * 2017-04-18 2020-01-21 清华大学建筑设计研究院有限公司 Method for adjusting tensile force of reinforced concrete floor in inclined column structure system
CN110670805A (en) * 2019-09-05 2020-01-10 广东龙越建筑工程有限公司 Post structure of post-cast strip, stress calculation step and arrangement process of post-cast strip
CN111236632A (en) * 2019-11-26 2020-06-05 青建集团股份公司 Construction method of heavy bracket and profile steel combined supporting system for super-thick top plate

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