CN104763051A - Mass concrete cantilever structure construction method - Google Patents
Mass concrete cantilever structure construction method Download PDFInfo
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- CN104763051A CN104763051A CN201510080803.7A CN201510080803A CN104763051A CN 104763051 A CN104763051 A CN 104763051A CN 201510080803 A CN201510080803 A CN 201510080803A CN 104763051 A CN104763051 A CN 104763051A
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Abstract
The invention discloses a mass concrete cantilever structure construction method. The method comprises the steps of fixing an internal component on a base concrete platform and casting a concrete cantilever structure in the internal component, wherein the internal component comprises a plurality of S-shaped columns, a plurality of shaping templates, a plurality of forward drawing bars and a plurality of reverse drawing bars. An operation component is fixed on the base concrete platform and is used for performing operations on an external vertical face of the concrete cantilever structure. The operation component comprises a plurality of fixing rods, a plurality of packway plates and a plurality of outer rails. The shaping templates of the internal component and the operation component are dismounted after the steps are completed. The pouring o the concrete cantilever structure is completed through the internal component, the external vertical face of the poured concrete cantilever structure is constructed through the operation component, the internal component and the operation component are both fixed on the base concrete platform and relying on stress support of the base concrete platform completely.
Description
Technical field
The present invention relates to a kind of construction method of concrete in mass cantilevered structure.
Background technology
Part construction project build is complicated, in order to improve the attractive in appearance of building structure, usually be designed to the building that structure is not single, concrete cantilevered structure also finds broad application in construction project, but concrete in mass cantilevered structure is by the impact of the aspects such as concrete self-characteristic, structure stress, Construction quality and safety, work progress technique is comparatively complicated, also has very high requirement to the technical force needed, experience.
The construction method of current concrete cantilevered structure is outside concrete cantilevered structure after the external frame such as erecting scaffold substantially, then constructs; But some construction environment is difficult to set up external frame outside construction area, be just difficult to adopt above-mentioned using method building concrete cantilevered structure.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of construction method of concrete in mass cantilevered structure, and the method does not set up framework outward at construction area, only completes by existing substrate concrete platform and sets up and alien invasion operation the framework of cantilevered structure.
For solving the problems of the technologies described above, the invention provides a kind of construction method of concrete in mass cantilevered structure, comprising the following steps:
A) internal component is fixed on substrate concrete platform, and in internal component concreting cantilevered structure;
Described internal component comprises some serpentine columns, some typified forms, some positive lacing wires and some reverse drawing muscle, some serpentine column lower ends are embedded in substrate concrete platform, the upper surface of substrate concrete platform is stretched out on the top of some serpentine columns, some typified forms splice the outline of cantilevered structure, some typified forms are fixed respectively and between some serpentine columns by some positive lacing wires, some serpentine columns are fixed respectively by reverse drawing muscle and substrate concrete platform upper surface, and in described typified form concreting;
B) task module is fixed on substrate concrete platform, and utilizes task module to carry out operation to the alien invasion of concrete cantilevered structure;
Described task module comprises some fixed bars, some packway plates and some outer railings, some fixed bar parts are embedded in substrate concrete platform, described fixed bar stretches out outside substrate concrete mesa sidewalls, some packway plates are fixed on fabrication process passage on described fixed bar, some outer railings are fixedly connected with fixed bar outer end and parallel with cantilevered structure outer face, are provided with safety net between adjacent outer railing;
C) after completing steps a and step b, the typified form of internal component and task module are removed.
After adopting such structure, what utilize internal component to complete concrete cantilevered structure builds operation, the alien invasion of recycling task module to the concrete cantilevered structure after building carries out construction operation, and internal component and task module are all fixed on substrate concrete platform, compared with existing concrete cantilevered structure pouring construction, not requiring outside construction area can the support platform of fixed outer framework, relies on the stressed support of substrate concrete platform completely, is applicable to all kinds of operating environment.
In addition, serpentine column can make welding at the scene, the features such as fabrication and installation method is simple, constructability, the cost of material is low, after using serpentine column according to this method, site construction technology is easy, adds the overall steadiness of cantilevered structure, enhances construction safety and ensure, also effectively improve the construction speed of build labyrinth, make the construction quality of concrete in mass cantilevered structure, construction technology is improved.
Technology contents for a better understanding of the present invention, below by the construction method of this concrete in mass cantilevered structure referred to as this method.
The fixed bar of this method task module is i-beam structure, fixed bar is fixedly connected with some joint bars, and described fixed bar is communicated with some joint bars and is embedded in substrate concrete platform, and described fixed bar stretches out outside substrate concrete mesa sidewalls; After adopting such structure, joint bar can increase the steadiness of i iron fixed bar in substrate concrete platform, ensures the construction safety of i iron.
The reverse drawing muscle of this method internal component is the dowel that one end is embedded in substrate concrete platform; After adopting such structure, what reverse drawing muscle was more firm is embedded in substrate concrete platform.
What be also provided with outside this method typified form that framed bent steel pipe surrounds encloses order.
The positive lacing wire that each serpentine column of this method connects and reverse drawing muscle are relation one to one, and positive lacing wire and corresponding reverse drawing muscle are in the both sides of serpentine column, and are fixed on the same elevation of serpentine column.
Accompanying drawing explanation
Fig. 1 is this method embodiment step Construction State figure a).
Fig. 2 is the structural representation of this method embodiment serpentine column.
Fig. 3 is this method embodiment step b) Construction State figure.
Detailed description of the invention
As shown in Figures 1 to 3
Build concrete in mass cantilevered structure in enforcement this method and can use internal component and task module;
Internal component comprises some serpentine columns 11, some typified forms 14, some positive lacing wires 12 and some reverse drawing muscle 13, serpentine column 11 comprises three main force rod 11a, some fastening hoop 11b and some lacing 11c, with the main force rod 11a of screw-thread steel as serpentine column 11, three main force rod 11a are triangularly arranged, some fastening hoop 11b are welded on outside three main force rod 11a, with round steel as serpentine column 11 lacing 11c; Serpentine column about 11 two part welding qualities must reach code requirement, in concreting process, forbid to impact directly to serpentine column 11 or the direct blanking of lacing wire, cage needs special messenger to command, prevent tank body from touching serpentine column 11 or tie rod, typified form 14 can select commercially available general set shaped steel formwork.
Task module comprises some fixed bars 21, some packway plates and some outer railings 23.
This law side needs the early-stage preparations done before implementing: building operations to concrete cantilevered structure start to encorbelment 1m below elevation time stop, starting some fixed bars 21 of some serpentine columns 11 of pre-buried internal component, some framed bent steel pipes, some reverse drawing muscle 13 and task module;
Some serpentine column 11 lower ends are embedded in substrate concrete platform 3, and the upper surface of substrate concrete platform 3 is stretched out on the top of some serpentine columns 11, and reverse drawing muscle 13 one end is dowel structure, and is embedded in substrate concrete platform 3;
Fixed bar 21 is i-beam structure, spacing 2 ~ the 3m of adjacent two fixed bars 21, fixed bar 21 afterbody and middle part are welded with some joint bar (not shown)s, be embedded in substrate concrete platform 3 by the afterbody of fixed bar 21 and middle part together with some joint bars again, fixed bar 21 other end stretches out outside substrate concrete platform 3 sidewall;
Pre-buried complete after, by the concreting operation of remaining 1m elevation, form substrate concrete platform 3.
The concrete enforcement of this method comprises the following steps:
A) some typified forms 14 splice the outline of cantilevered structure, typified form 14 is arranged on enclosing that framed bent steel pipe surrounds to be made inside (not shown), utilize some positive lacing wires 12 by fixing between typified form 14 and pre-buried serpentine column 11, serpentine column 11 is fixed by reverse drawing muscle 13 and substrate concrete platform 3 upper surface, the positive lacing wire 12 that each serpentine column 11 connects and reverse drawing muscle 13 are relation one to one, positive lacing wire 12 and corresponding reverse drawing muscle 13 are in the both sides of serpentine column 11, and be fixed on the same elevation of serpentine column 11, the reverse drawing muscle 13 that the horizontal applied force that positive lacing wire 12 is applied to serpentine column 11 is corresponding with it is contrary in the direction of the horizontal applied force of serpentine column 11, complete after above-mentioned steps to concreting in typified form 14, during concreting, positive lacing wire 12 and reverse drawing muscle 13 tension are made serpentine column 11 and typified form 14 stress balance, form the cantilevered structure of main body.
B) at the fixed bar 21 top weldering specification common framed bent steel pipe 21a that substrate concrete platform 3 sidewall exposes, framed bent steel pipe 21a staggers welding, on framed bent steel pipe 21a, the some packway plates of colligation are beneficial to personnel and stand, set up some oblique double outer railings 23 to be fixedly connected with fixed bar 21 outer end and parallel with cantilevered structure outer face, outer railing 23 every a segment distance namely with the enclosing to make and be connected by fixing lacing wire 24 of internal component, safety net (not shown) is provided with between adjacent outer railing 23, operating personnel may stand in operating area that packway plate and safety net form and carries out operation to the alien invasion of concrete cantilevered structure, ensure the safety of operating personnel's operation.
C) after completing steps a and step b, the typified form 14 of internal component and task module are removed.
Above-described is only one embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, and these also should be considered as belonging to protection scope of the present invention.
Claims (5)
1. a construction method for concrete in mass cantilevered structure, comprises the following steps:
A) internal component is fixed on substrate concrete platform, and in internal component concreting cantilevered structure;
Described internal component comprises some serpentine columns, some typified forms, some positive lacing wires and some reverse drawing muscle, some serpentine column lower ends are embedded in substrate concrete platform, the upper surface of substrate concrete platform is stretched out on the top of some serpentine columns, some typified forms splice the outline of cantilevered structure, some typified forms are fixed respectively and between some serpentine columns by some positive lacing wires, some serpentine columns are fixed respectively by reverse drawing muscle and substrate concrete platform upper surface, and in described typified form concreting;
B) task module is fixed on substrate concrete platform, and utilizes task module to carry out operation to the alien invasion of concrete cantilevered structure;
Described task module comprises some fixed bars, some packway plates and some outer railings, some fixed bar parts are embedded in substrate concrete platform, described fixed bar stretches out outside substrate concrete mesa sidewalls, some packway plates are fixed on fabrication process passage on described fixed bar, some outer railings are fixedly connected with fixed bar outer end and parallel with cantilevered structure outer face, are provided with safety net between adjacent outer railing;
C) after completing steps a and step b, the typified form of internal component and task module are removed.
2. concrete in mass cantilevered structure according to claim 1, it is characterized in that: the fixed bar of described task module is i-beam structure, fixed bar is fixedly connected with some joint bars, described fixed bar is communicated with some joint bars and is embedded in substrate concrete platform, and described fixed bar stretches out outside substrate concrete mesa sidewalls.
3. concrete in mass cantilevered structure according to claim 1, is characterized in that: the reverse drawing muscle of described internal component is the dowel structure that one end is embedded in substrate concrete platform.
4. concrete in mass cantilevered structure according to claim 1, is characterized in that: what be also provided with outside described typified form that framed bent steel pipe surrounds encloses order.
5. concrete in mass cantilevered structure according to claim 1, it is characterized in that: the positive lacing wire that each serpentine column connects and reverse drawing muscle are relation one to one, positive lacing wire and corresponding reverse drawing muscle are in the both sides of serpentine column, and are fixed on the same elevation of serpentine column.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080803.7A CN104763051A (en) | 2015-02-12 | 2015-02-12 | Mass concrete cantilever structure construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510080803.7A CN104763051A (en) | 2015-02-12 | 2015-02-12 | Mass concrete cantilever structure construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625576A (en) * | 2015-12-29 | 2016-06-01 | 关海涛 | Series-tied-arch-type prestressed steel structure cantilever system |
| CN107460879A (en) * | 2017-09-08 | 2017-12-12 | 中交第二航务工程局有限公司 | A kind of fixed structure of flare template |
| CN107859162A (en) * | 2017-10-31 | 2018-03-30 | 广东水电二局股份有限公司 | One kind is encorbelmented bracket structure and its construction method |
| CN113931450A (en) * | 2021-09-23 | 2022-01-14 | 贵州建工集团第一建筑工程有限责任公司 | Construction method of building high-altitude suspension landscape platform |
-
2015
- 2015-02-12 CN CN201510080803.7A patent/CN104763051A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625576A (en) * | 2015-12-29 | 2016-06-01 | 关海涛 | Series-tied-arch-type prestressed steel structure cantilever system |
| CN105625576B (en) * | 2015-12-29 | 2018-02-06 | 关海涛 | Connect pull bar arcuately prestressed steel structure cantilever system |
| CN107460879A (en) * | 2017-09-08 | 2017-12-12 | 中交第二航务工程局有限公司 | A kind of fixed structure of flare template |
| CN107859162A (en) * | 2017-10-31 | 2018-03-30 | 广东水电二局股份有限公司 | One kind is encorbelmented bracket structure and its construction method |
| CN113931450A (en) * | 2021-09-23 | 2022-01-14 | 贵州建工集团第一建筑工程有限责任公司 | Construction method of building high-altitude suspension landscape platform |
| CN113931450B (en) * | 2021-09-23 | 2023-03-14 | 贵州建工集团第一建筑工程有限责任公司 | Construction method of building high-altitude suspension landscape platform |
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Application publication date: 20150708 |