CN101086184A

CN101086184A - Annular closure structure formwork support method

Info

Publication number: CN101086184A
Application number: CN 200710023432
Authority: CN
Inventors: 徐书龙; 尹忠华; 赵建芳
Original assignee: SECOND CONSTRUCTION Co OF CONSTRUCTION SEVENTH ENGINEERING BUREAU
Current assignee: SECOND CONSTRUCTION Co OF CONSTRUCTION SEVENTH ENGINEERING BUREAU
Priority date: 2007-05-26
Filing date: 2007-05-26
Publication date: 2007-12-12

Abstract

The invention discloses a annular closed structure template support method, it includes the following steps: a. the inner and outer ring forms of pool wall is lap-equipped with falsework; b. the inner side template of pool wall and the vertical dorsal side are installed vertically, the inner side template is bamboo hydraulic plywood and the vertical dorsal side is steel pipe; c. dual-pulling bolt fastening device is installed; d. the outer side template of pool wall and the vertical dorsal side are installed vertically, the outer side template is bamboo hydraulic plywood and the vertical dorsal side is steel pipe; e. the level back side is passed, and the level back side is reinforced bar; f. the dual-pulling bolt fastening device is fastened on two sides at the same time. The invention uses the method and overcomes the shortcomings of a large number of wooden is needed in prior technology construction, the operation capacity of wooden processing is larger, the depositing occupancy construction site area of machined wooden is larger, the reinforced bar as horizontal dorsal side can be bend into the shapes adapted with annular closed structure template, the reinforced bar can be used in construction engineering directly after the reinforced bar is dismantled, the cost is reduced, the efficiency is improved and the construction schedule is speeded up.

Description

Annular closure structure formwork support method

Technical field

The present invention relates to building field, especially relate to annular closure structure formwork support method.

Background technology

Traditional annular closure structure needs form bracing system, and embodiment henge formwork support method is: a, set up scaffold along the pool wall inside-and-outside ring; B, install pool wall inner side template, vertical back of the body side, inner side template is that the punching block of strip is arranged and formed, vertically the wooden a tree, used in making timber for boats of back of the body side's employing; C, installation dual-pulling bolt fastening device, dual-pulling bolt fastening device comprise split bolt bar, the stay-bolt seal ring at split bolt bar middle part, the jig and the bolt at split bolt bar two ends; At 50 * 50 * 3 millimeters stay-bolt seal ring of split bolt bar middle part full weld, split bolt bar two ends is welded steel bar end control pool wall rebar spacing respectively in the construction, and sawdust board plug control pool wall thickness is established at the steel bar end two ends respectively; D, install pool wall outboard template, vertical back of the body side, outboard template is that the punching block of strip is arranged and formed, vertically the wooden a tree, used in making timber for boats of back of the body side's employing; E, wear level back of the body side, the wooden a tree, used in making timber for boats of the arc of strip is all adopted in the inboard and outside; F, both sides tighten up dual-pulling bolt fastening device simultaneously.Such method, a large amount of flitch of construction work palpus, the workload of flitch processing is bigger, and it is bigger that the wooden a tree, used in making timber for boats that processes is stacked the building site area that takies.

Summary of the invention

Technical problem to be solved by this invention is: a kind of annular closure structure formwork support method is provided, and this annular closure structure formwork support method can reduce construction cost, can construct under narrow and small building site area.

Solve this technical problem, technical scheme of the present invention is: a kind of annular closure structure formwork support method, and it may further comprise the steps: a, set up scaffold along the pool wall inside-and-outside ring; B, install pool wall inner side template, vertical back of the body side; C, installation dual-pulling bolt fastening device; D, install pool wall outboard template, vertical back of the body side; E, wear level back of the body side; F, both sides tighten up dual-pulling bolt fastening device simultaneously; It is characterized in that: the inner side template among the step b is the bamboo offset plate, and vertical back of the body side is a steel pipe; Outboard template in the steps d is the bamboo offset plate, and vertical back of the body side is a steel pipe; Level back of the body side among the step e is a reinforcing bar.

Bamboo offset plate edge is provided with aperture in described step b and the steps d, passes on the reinforcing bar that aperture is fixed tightly in the steel pipe of vertical back of the body side or level back of the body side with iron wire.

Bamboo offset plate in described step b and the steps d is moulded the bamboo offset plate for covering.

Described steel pipe is of a size of 48 * 3.5 millimeters of ￠, and the specification of reinforcing bar is a ￠ 20-32 millimeter.

The described seam crossing of moulding between the bamboo offset plate that covers is provided with vertical flitch, and the both sides of vertical flitch are provided with vertical steel pipe, with the reinforcing bar of level vertical flitch and vertical steel pipe are fixed again.

Described steel pipe is of a size of 48 * 3.5 millimeters of ￠, and vertical flitch is of a size of 1000～4000 * 50 * 100 millimeters.

The present invention adopts such method, replace wooden a tree, used in making timber for boats with steel pipe, replace wooden a tree, used in making timber for boats with reinforcing bar, replace punching block with the bamboo offset plate, materials are economized like this, and reusable, overcome must be a large amount of in the building operations of prior art flitch, the workload of flitch processing is bigger, the wooden a tree, used in making timber for boats that processes is stacked the bigger deficiency of building site area that takies, backing material adopts existing constructional materials, can adopt the mode of lease directly to construct, and curves the shape that the annular closure structure template adapts easily as the reinforcing bar of level back of the body side, can be directly used in the construction works after reinforcing bar is pulled down, cost reduces, and efficient improves, accelerating construction progress.

Description of drawings

Below in conjunction with accompanying drawing the present invention is done explanation in further detail;

Fig. 1 is that preferred embodiment of the present invention henge fluid concrete rear pattern plate supports cross-sectional schematic;

Fig. 2 is the partial structurtes schematic top plan view of preferred embodiment of the present invention henge form joint place;

In Fig. 1, Fig. 2,1, concrete; 2, steel pipe; 3, reinforcing bar; 4, stay-bolt seal ring; 5, nut; 6, jig; 7, sawdust board plug; 8, bamboo offset plate; 9, vertical flitch; 10, split bolt bar.

The specific embodiment

As shown in Figure 1 and Figure 2, a kind of annular closure structure formwork support method, it may further comprise the steps: a, set up scaffold along the pool wall inside-and-outside ring; B, install pool wall inner side template, vertical back of the body side, inner side template is a bamboo offset plate 8, and vertically back of the body side is a steel pipe 2, and steel pipe 2 is of a size of 48 * 3.5 millimeters of ￠; C, installation dual-pulling bolt fastening device, dual-pulling bolt fastening device comprises the stay-bolt seal ring 4 at split bolt bar 10, split bolt bar 10 middle parts, the jig 6 and the nut 5 at split bolt bar 10 two ends; At the stay-bolt seal ring 4 of 50 * 50 * 3 millimeters of split bolt bar 10 middle part full welds, split bolt bar two ends is welded steel bar end control pool wall rebar spacing respectively in the construction, and sawdust board plug 7 control pool wall thickness are established at the steel bar end two ends respectively; D, install pool wall outboard template, vertical back of the body side, outboard template is a bamboo offset plate 8, and vertically back of the body side is a steel pipe 2, and steel pipe 2 is of a size of 48 * 3.5 millimeters of ￠; E, wear level back of the body side, level back of the body side is a reinforcing bar 3, and the specification of reinforcing bar 3 is a ￠ 20-32 millimeter; F, both sides tighten up dual-pulling bolt fastening device simultaneously.Seam crossing Zhi Shuxiang flitch 9 between the bamboo offset plate 8, the steel pipe 2 of the both sides Zhi Shuxiang of vertical flitch 9, with the reinforcing bar 3 of level vertical flitch 9 and vertical steel pipe 2 are fixed, the size of steel pipe 2 adopts 48 * 3.5 millimeters of ￠ again, and the size of vertical flitch 9 adopts 1000～4000 * 50 * 100 millimeters.2 millimeters apertures are bored with Electric portable drill in the position at 20 millimeters at bamboo offset plate 8 edges in step b and steps d, pass on the reinforcing bar 3 that aperture is fixed tightly in the steel pipe 2 of vertical back of the body side or level back of the body side with iron wire, fixing of the steel pipe of the vertical back of the body side of assurance, also be convenient to adjust the form joint difference of height, guarantee the template assembly quality.

For guaranteeing to reach the clear-water concrete effect after the construction, inner side template and outboard template adopt to cover moulds the bamboo offset plate.Cover that to mould the bamboo offset plate be on the surface of existing constructional materials bamboo offset plate the layer of plastic film layer to be set, make that inner side template and outboard template surfacing are smooth.

Horizontal spacing adopts 500 millimeters between the split bolt bar 10, and longitudinal pitch adopts 500 millimeters, and stay-bolt seal ring 4 is of a size of 50 * 50 * 3 millimeters, and sawdust board plug 7 is of a size of 50 * 50 * 15 millimeters.Such template system firm supporting, intensity, rigidity, stability satisfy code requirement, and seam is tight.

The present invention adopts such method, replaces wooden a tree, used in making timber for boats with steel pipe, replaces wooden a tree, used in making timber for boats with reinforcing bar, replace punching block with the bamboo offset plate, materials are economized like this, and reusable, overcome must be a large amount of in the building operations of prior art flitch, the workload of flitch processing is bigger, and the wooden a tree, used in making timber for boats that processes is stacked the bigger deficiency of building site area that takies, and backing material adopts existing constructional materials, can adopt the mode of lease directly to construct, cost reduces, and efficient improves, accelerating construction progress.

Claims

1, a kind of annular closure structure formwork support method, it may further comprise the steps: a, set up scaffold along the pool wall inside-and-outside ring; B, install pool wall inner side template, vertical back of the body side; C, installation dual-pulling bolt fastening device; D, install pool wall outboard template, vertical back of the body side; E, wear level back of the body side; F, both sides tighten up dual-pulling bolt fastening device simultaneously; It is characterized in that: the inner side template among the step b is bamboo offset plate (8), and vertical back of the body side is steel pipe (2); Outboard template in the steps d is bamboo offset plate (8), and vertical back of the body side is steel pipe (2); Level back of the body side among the step e is reinforcing bar (3).

2, annular closure structure formwork support method according to claim 1, it is characterized in that: bamboo offset plate (8) edge is provided with aperture in described step b and the steps d, passes with iron wire on the reinforcing bar (3) of steel pipe (2) that aperture is fixed tightly in vertical back of the body side or level back of the body side.

3, annular closure structure formwork support method according to claim 1 and 2 is characterized in that: the bamboo offset plate (8) in described step b and the steps d is moulded the bamboo offset plate for covering.

4, annular closure structure formwork support method according to claim 3 is characterized in that: described steel pipe (2) is of a size of 48 * 3.5 millimeters of ￠, and the specification of reinforcing bar (3) is a ￠ 20-32 millimeter.

5, annular closure structure formwork support method according to claim 3, it is characterized in that: the described seam crossing of moulding between the bamboo offset plate that covers is provided with vertical flitch (9), the both sides of vertical flitch (9) are provided with vertical steel pipe (2), use the reinforcing bar (3) of level that vertical flitch (9) and vertical steel pipe (2) are fixed again.

6, annular closure structure formwork support method according to claim 5 is characterized in that: described steel pipe (2) is of a size of 48 * 3.5 millimeters of ￠, and vertical flitch (9) is of a size of 1000～4000 * 50 * 100 millimeters.