CN102182277A - Fiber reinforced precast concrete tubular column and construction method thereof - Google Patents

Fiber reinforced precast concrete tubular column and construction method thereof Download PDF

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Publication number
CN102182277A
CN102182277A CN 201110076798 CN201110076798A CN102182277A CN 102182277 A CN102182277 A CN 102182277A CN 201110076798 CN201110076798 CN 201110076798 CN 201110076798 A CN201110076798 A CN 201110076798A CN 102182277 A CN102182277 A CN 102182277A
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CN
China
Prior art keywords
concrete
cast
reinforced
prefabricated pipe
concrete prefabricated
Prior art date
Application number
CN 201110076798
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Chinese (zh)
Inventor
苏幼坡
高林
廖永
Original Assignee
河北联合大学
鹏达建设集团有限公司
山西宏厦第一建设有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 河北联合大学, 鹏达建设集团有限公司, 山西宏厦第一建设有限责任公司 filed Critical 河北联合大学
Priority to CN 201110076798 priority Critical patent/CN102182277A/en
Publication of CN102182277A publication Critical patent/CN102182277A/en

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Abstract

The invention relates to a reinforced concrete structural member in civil engineering, in particular to a fiber reinforced precast concrete tubular column and a construction method thereof. The fiber reinforced precast concrete tubular column consists of a cast-in-place reinforced concrete column, a reinforced fiber material layer, a flexible material adhesive layer and a concrete precast pipe. The method comprises the following construction processes of: manufacturing the concrete precast pipe in a precast member plant, and stripping a formwork after meeting the curing requirement; uniformly coating the flexible material adhesive layer of certain thickness on the inner wall of the concrete precast pipe, and sticking the reinforced fiber material layer after the sticking requirement is met; and conveying the concrete precast pipe stuck with the reinforced fiber material layer to a construction site, manufacturing and binding a steel rail framework, hoisting the concrete precast pipe and a steel bar mesh cage in place, and casting concrete to manufacture the cast-in-place reinforced concrete column. The fiber reinforced precast concrete tubular column can reduce the wet operation of the construction site, improve the construction speed and effectively resist the external dynamic load impact, and has good shock resistance.

Description

Fiber reinforcement precast concrete tubing string and job practices thereof

Technical field

The present invention relates to reinforced concrete structural element in the civil engineering, specifically is a kind of fiber reinforcement precast concrete tubing string and job practices thereof.

Background technology

Reinforced concrete technology is quite ripe, for the research of reinforced concrete post a large amount of achievements is arranged also.Common reinforced concrete post is because the influence that structural element is arranged and the restriction of pole section size cause the ratio of shear span to effective depth of section of reinforced concrete post to reduce relatively, and its shear resistance weakens greatly.Constrained by reinforcing fiber materials; can effectively improve the ductility and the bearing capacity of cylinder; strengthen its deformation performance; but reinforcing fiber materials is exposed to and very easily is subjected to the external environment corrosion in the natural environment; particularly bonding material (epoxy resin etc.) is very easily ineffective under ambient influnences such as high temperature; have a strong impact on the reinforcement performance of reinforcing fiber materials to cylinder; and produce radial deformation in the cylinder stand under load process; the topping of the external side of coupled columns and decorative layer form expansion damage, have further quickened the corrosion influence of external environment condition to reinforcing fiber materials again.

At present, the reinforced concrete structure of China adopts cast-in-place structural more, the building in the process of cast-in-place structural, and quality problems such as pitted skin, honeycomb, dew muscle to occur comparatively general owing to leak the component surface that causes of shaking, the overall structure difficult quality guarantee.Simultaneously, the problems such as resident around the noise that there is long construction period in cast-in-place structural, production efficiency is low, labor strength is high, produce a large amount of building wastes, construction brings also perplexs.

Summary of the invention

The present invention is intended to solve the above-mentioned problems that existing reinforced concrete structural element exists, and provides a kind of and can significantly reduce the job site wet trade, improves speed of application, effectively resists the good fiber reinforcement precast concrete tubing string and the job practices thereof of bump, anti-seismic performance of extraneous dynamic load.

The technical scheme that the present invention solves its technical problem employing is:

A kind of fiber reinforcement precast concrete tubing string, comprise cast-in-situ reinforced concrete column, reinforcing fiber materials layer, it also comprises concrete prefabricated pipe, the inwall of described concrete prefabricated pipe is pasted with the reinforcing fiber materials layer by the flexible material tack coat, and described cast-in-situ reinforced concrete column is cast in the described concrete prefabricated pipe.

The job practices of above-mentioned fiber reinforcement precast concrete tubing string, its working procedure is:

A. make concrete prefabricated pipe in the factory for prefabrication, reach form removal after the curing requirements; The modular dimension of concrete prefabricated pipe is decided according to the pole section design size, and wall thickness is 20~50mm, height 2~6m;

B. be the flexible material tack coat of 3~8mm at the even smearing thickness of concrete prefabricated inside pipe wall, wait to reach paste to require after, paste the reinforcing fiber materials layer;

The concrete prefabricated pipe that c. will paste the reinforcing fiber materials layer is transported to the job site, makes and the assembling reinforcement skeleton, and concrete prefabricated pipe of hoisted in position and rebar cylinder mould, concreting is made cast-in-situ reinforced concrete column.

The present invention of employing technique scheme compared with prior art possesses following advantage:

1. concrete prefabricated pipe uses as the peripheral template of inner cast-in-place structural, has saved the supporting operation of site operation center pillar mould, has improved speed of application;

2. concrete prefabricated pipe makes internal construction avoid the external environment corrosion, has improved the durability of member;

3. the flexible material tack coat can effectively slow down the expansion damage that the cylinder radial deformation produces;

4. reinforcing fiber materials improves the ductility and the supporting capacity of member effectively, strengthens its shear resistance, has power consumption and cushioning effect concurrently.

Description of drawings

Fig. 1 is fiber reinforcement precast concrete tubing string of the present invention (cylinder) schematic diagram.

Fig. 2 is fiber reinforcement precast concrete tubing string of the present invention (square column) schematic diagram.

Among the figure: concrete prefabricated pipe 1, flexible material tack coat 2, reinforcing fiber materials layer 3, post is indulged muscle 4, erection hoop reinforcement 5, cast-in-situ concrete 6, single hoop muscle 7.

The specific embodiment

Below in conjunction with embodiment in detail the present invention is described in detail.

Referring to Fig. 1, Fig. 2, present embodiment has provided the fiber reinforcement precast concrete tubing string of column type and two kinds of form of structure of square column type, constitute by concrete prefabricated pipe 1, flexible material tack coat 2, reinforcing fiber materials layer 3 and cast-in-situ reinforced concrete column, reinforcing fiber materials layer 3 is sticked on by flexible material tack coat 2 on the inwall of concrete prefabricated pipe 1, and cast-in-situ reinforced concrete column is cast in the concrete prefabricated pipe 1.The column type cast-in-situ reinforced concrete column is made of the vertical muscle 4 of post, erection hoop reinforcement 5 and cast-in-situ concrete 6, and square column type cast-in-situ reinforced concrete column is made of the vertical muscle 4 of post, erection hoop reinforcement 5, cast-in-situ concrete 6 and single hoop muscle 7.

Concrete enforcement operation is as follows:

At first, make the concrete prefabricated pipe 1 of different modular dimensions in the factory for prefabrication, reach form removal after the curing requirements; Concrete prefabricated pipe 1 is prefabricated according to the pole section design size, and wall thickness is 20~50mm, and height can be made 2~6m according to actual needs and not wait; Concrete prefabricated pipe 1 uses as the peripheral template of inner cast-in-place structural.

Secondly, evenly smear certain thickness flexible material tack coat 2 at concrete prefabricated pipe 1 inwall, wait to reach paste require after, paste reinforcing fiber materials layer 3; Flexible material tack coat 2 thickness are about 3~8mm, have concurrently to paste reinforcing fiber materials and slow down the double action that inner reinforced concrete post expands and pushes; Reinforcing fiber materials layer 3 can require according to the radial deformation of cylinder to choose the different reinforced fibers material, can paste 1~3 layer according to actual needs.

At last, the concrete prefabricated pipe 1 that pastes reinforcing fiber materials layer 3 is transported to the job site, makes and the assembling reinforcement skeleton hoisted in position prefabricated pipe and rebar cylinder mould, concreting.The arrangement of reinforcement of cast-in-situ reinforced concrete column mainly carries out structure design according to the cylinder design bearing value.

Above-mentioned fiber reinforcement precast concrete tubing string can be widely used in the reinforced concrete frame structure, can effectively improve the ductility of cylinder, strengthen the deformation performance of cylinder, improve the supporting capacity of cylinder, also can play the effect of power consumption and damping, and guarantee that inner cast-in-situ reinforced concrete column avoids external environment and chemical attack, and can save the input of construction cost such as template simultaneously, have good economic benefit and structure applications.

Claims (2)

1. fiber reinforcement precast concrete tubing string, comprise cast-in-situ reinforced concrete column, reinforcing fiber materials layer, it is characterized in that, it also comprises concrete prefabricated pipe, the inwall of described concrete prefabricated pipe is pasted with the reinforcing fiber materials layer by the flexible material tack coat, and described cast-in-situ reinforced concrete column is cast in the described concrete prefabricated pipe.
2. the job practices of fiber reinforcement precast concrete tubing string as claimed in claim 1, its working procedure is:
A. make concrete prefabricated pipe in the factory for prefabrication, reach form removal after the curing requirements; The modular dimension of concrete prefabricated pipe is decided according to the pole section design size, and wall thickness is 20~50mm, height 2~6m;
B. be the flexible material tack coat of 3~8mm at the even smearing thickness of concrete prefabricated inside pipe wall, wait to reach paste to require after, paste the reinforcing fiber materials layer;
The concrete prefabricated pipe that c. will paste the reinforcing fiber materials layer is transported to the job site, makes and the assembling reinforcement skeleton, and concrete prefabricated pipe of hoisted in position and rebar cylinder mould, concreting is made cast-in-situ reinforced concrete column.
CN 201110076798 2011-03-29 2011-03-29 Fiber reinforced precast concrete tubular column and construction method thereof CN102182277A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392541A (en) * 2011-11-15 2012-03-28 安徽工业大学 Method for reinforcing concrete column by utilizing PVC-FRP (Poly Vinyl Chloride-Fiberglass Reinforced Plastic) pipe
CN102433993A (en) * 2011-12-12 2012-05-02 中冶建工集团有限公司 Construction process for precast porous columns
CN102535842A (en) * 2011-12-12 2012-07-04 中冶建工集团有限公司 Construction process of prefabricated column construction component
CN102605900A (en) * 2012-03-03 2012-07-25 江苏新桥建工有限公司 Combined member of fiber cloth reinforced concrete prefabricated part and manufacturing method of combined member
CN102704465A (en) * 2012-05-25 2012-10-03 中利建设集团有限公司 FRP (fiber reinforce plastic) fiber cloth winding pile and manufacturing method thereof
CN102704636A (en) * 2012-06-15 2012-10-03 北京港源建筑装饰工程有限公司 Indoor antique glass fiber reinforced cement (GRC) combined column and antique colored drawing beam decoration system and construction method thereof
CN102776985A (en) * 2012-07-13 2012-11-14 湖南大学 Composite casing pipe restrained reinforced concrete column
CN103737718A (en) * 2014-01-29 2014-04-23 初明进 Prefabricated reinforced concrete hollow column template and making method thereof
CN105672572A (en) * 2016-03-18 2016-06-15 广西大学 Multi-bundle-shaped ultra-high-performance concrete constraint common concrete L-shaped column and L-shaped short-leg shear wall
CN107642198A (en) * 2017-10-12 2018-01-30 广西广厦环保科技有限公司 Prefabricated beams of concrete and its preparation technology
CN107724602A (en) * 2017-10-12 2018-02-23 广西广厦环保科技有限公司 Prefabricated concrete column and its preparation technology

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US5296187A (en) * 1993-03-23 1994-03-22 Ribbon Technology, Corp. Methods for manufacturing columnar structures
CA2301691A1 (en) * 2000-03-08 2001-09-08 Ben Devino Formwork and reinforcement to build new columns insitu
CN101575895A (en) * 2009-05-27 2009-11-11 清华大学 High-durability fiber-reinforced composite reinforced concrete combined component
CN101725183A (en) * 2008-11-03 2010-06-09 同济大学 Anti-corrosion pipe for concrete pier column under severe environment
CN101793055A (en) * 2010-03-12 2010-08-04 哈尔滨工业大学深圳研究生院 Sea-sand concrete member and manufacturing method thereof
CN201649439U (en) * 2009-12-29 2010-11-24 中冶建筑研究总院有限公司 Concrete column member
CN201991136U (en) * 2011-03-29 2011-09-28 河北联合大学 Fiber reinforced prefabricated concrete tubular pile

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US5296187A (en) * 1993-03-23 1994-03-22 Ribbon Technology, Corp. Methods for manufacturing columnar structures
CA2301691A1 (en) * 2000-03-08 2001-09-08 Ben Devino Formwork and reinforcement to build new columns insitu
CN101725183A (en) * 2008-11-03 2010-06-09 同济大学 Anti-corrosion pipe for concrete pier column under severe environment
CN101575895A (en) * 2009-05-27 2009-11-11 清华大学 High-durability fiber-reinforced composite reinforced concrete combined component
CN201649439U (en) * 2009-12-29 2010-11-24 中冶建筑研究总院有限公司 Concrete column member
CN101793055A (en) * 2010-03-12 2010-08-04 哈尔滨工业大学深圳研究生院 Sea-sand concrete member and manufacturing method thereof
CN201991136U (en) * 2011-03-29 2011-09-28 河北联合大学 Fiber reinforced prefabricated concrete tubular pile

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392541A (en) * 2011-11-15 2012-03-28 安徽工业大学 Method for reinforcing concrete column by utilizing PVC-FRP (Poly Vinyl Chloride-Fiberglass Reinforced Plastic) pipe
CN102392541B (en) * 2011-11-15 2013-05-29 安徽工业大学 Method for reinforcing concrete column by utilizing PVC-FRP (Poly Vinyl Chloride-Fiberglass Reinforced Plastic) pipe
CN102433993A (en) * 2011-12-12 2012-05-02 中冶建工集团有限公司 Construction process for precast porous columns
CN102535842A (en) * 2011-12-12 2012-07-04 中冶建工集团有限公司 Construction process of prefabricated column construction component
CN102605900A (en) * 2012-03-03 2012-07-25 江苏新桥建工有限公司 Combined member of fiber cloth reinforced concrete prefabricated part and manufacturing method of combined member
CN102605900B (en) * 2012-03-03 2013-03-27 江苏新桥建工有限公司 Combined member of fiber cloth reinforced concrete prefabricated part and manufacturing method of combined member
CN102704465A (en) * 2012-05-25 2012-10-03 中利建设集团有限公司 FRP (fiber reinforce plastic) fiber cloth winding pile and manufacturing method thereof
CN102704636A (en) * 2012-06-15 2012-10-03 北京港源建筑装饰工程有限公司 Indoor antique glass fiber reinforced cement (GRC) combined column and antique colored drawing beam decoration system and construction method thereof
CN102704636B (en) * 2012-06-15 2014-02-26 北京港源建筑装饰工程有限公司 Indoor antique glass fiber reinforced cement (GRC) combined column and antique colored drawing beam decoration system and construction method thereof
CN102776985A (en) * 2012-07-13 2012-11-14 湖南大学 Composite casing pipe restrained reinforced concrete column
CN103737718A (en) * 2014-01-29 2014-04-23 初明进 Prefabricated reinforced concrete hollow column template and making method thereof
CN103737718B (en) * 2014-01-29 2016-08-03 初明进 Prefabricated reinforced concrete hollow column template and preparation method thereof
CN105672572A (en) * 2016-03-18 2016-06-15 广西大学 Multi-bundle-shaped ultra-high-performance concrete constraint common concrete L-shaped column and L-shaped short-leg shear wall
CN107642198A (en) * 2017-10-12 2018-01-30 广西广厦环保科技有限公司 Prefabricated beams of concrete and its preparation technology
CN107724602A (en) * 2017-10-12 2018-02-23 广西广厦环保科技有限公司 Prefabricated concrete column and its preparation technology

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Application publication date: 20110914