CN104594378A - Retaining wall construction method - Google Patents

Retaining wall construction method Download PDF

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Publication number
CN104594378A
CN104594378A CN201510071570.4A CN201510071570A CN104594378A CN 104594378 A CN104594378 A CN 104594378A CN 201510071570 A CN201510071570 A CN 201510071570A CN 104594378 A CN104594378 A CN 104594378A
Authority
CN
China
Prior art keywords
steel
retaining
concrete
construction
barricade
Prior art date
Application number
CN201510071570.4A
Other languages
Chinese (zh)
Inventor
席浩
胡阳
刘伟
高扬
袁瑞军
Original Assignee
中国水利水电第四工程局有限公司
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.)
Filing date
Publication date
Application filed by 中国水利水电第四工程局有限公司 filed Critical 中国水利水电第四工程局有限公司
Priority to CN201510071570.4A priority Critical patent/CN104594378A/en
Publication of CN104594378A publication Critical patent/CN104594378A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • E02D2250/0007Production methods using a mold
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0004Synthetics
    • E02D2300/0006Plastics
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0004Synthetics
    • E02D2300/0006Plastics
    • E02D2300/0009PE
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0004Synthetics
    • E02D2300/0018Cement used as binder
    • E02D2300/0021Mortar

Abstract

The invention relates to the field of building construction, and particularly relates to a retaining wall construction method. The retaining wall construction method comprises the steps: (1) embedding two rows of pai12@500 reinforcing steel bars when a retaining wall foundation is poured; (2) installing a combined pattern stereotyping steel template on the retaining wall foundation, wherein the steel template is provided with a position variation indication module; (3) pouring the concrete in a layering manner in the steel template; (4) disassembling the steel template after the concrete is poured for three days, carrying out the coverage watering maintenance, and then smearing transparent seal adhesive onto the surface of the retaining wall. According to the retaining wall construction method, the deformation and displacement of the steel template in the construction process can be effectively monitored, the characteristics such as simple process flow, convenient construction and guaranteed construction quality can be realized, and the construction efficiency can be effectively improved.

Description

A kind of Retaining wall method
Technical field
The present invention relates to the realm of building construction, particularly relate to a kind of Retaining wall method.
Background technology
Barricade, is commonly called as bank protection, mainly contains and grouts or placed rockfill barricade, cast-in-situ concrete barricade, precast concrete block barricade etc., and wherein, concrete guard wall is simple owing to constructing, and blocking effect is good and be widely used.
In order to improve the aesthetics of concrete guard wall, need to increase the decorative patterns such as decorative pattern by template to barricade, but the non-constant of the aesthetics that often there will be decorative pattern in operating process, need to carry out a large amount of manpower patch work.
Based on the problem in above-mentioned analysis, the present invention proposes a kind of Retaining wall method.
Summary of the invention
The object of the invention is to solve the problems such as existing Retaining wall methods engineering difficult quality control, propose a kind of novel Retaining wall method.
The present invention proposes a kind of Retaining wall method, comprises 1) retaining wall foundation pre-buried two row φ 12@500 reinforcing bars when building, angle is 30 ° of angles; 2) on described retaining wall foundation, install combination pattern set shaped steel formwork, between adjacent two pieces of described steel forms except bolt connects, need use the adjustment of straight back cord, smoothing, wherein, described steel form is with change in location indicating module; 3) concreting in lifts in described punching block version, layer height scope is 300-500mm; 4) after described concreting completes three days, remove described steel form, carry out covering watering maintenance, then to described wall surface brushing transparent sealant.
Further, before installing described steel form, welding positioning bar, described positioning bar is apart from described steel form root 30mm, and the level interval of described positioning bar is 1500mm, and width is described (thickness of wall body-1 of barricade) mm.
Further, before installing described steel form, to described punching block version brushing release agent.
Further, deform in work progress when described steel form or be shifted, then described change in location indicating module notifies the shaped position change information of steel form described in constructor by mobile communications network or WLAN, and described constructor carries out maintenance operation according to described information.
Further, deform or be shifted when described steel form in work progress, then described change in location indicating module can send ear-piercing alarm sound, notifies that constructor's steel form goes wrong.
Further, described concrete is mirror surface concrete, and adds silica flour in described concrete, and the consumption of described silica flour is 10% of the described concrete cement consumption of composition.
Further, if there is pitted skin defect after described barricade form removal, then floating by 1:2 or 1:2.5 cement mortar after clean to described surface erosion with clear water.
Further, if there is honeycomb defect after described barricade form removal, then first cut loose weak described concrete around hole, then wash with press water or wire brush, with 1:2 or 1:2.5 cement mortar screeding and compaction.
Further, every 15m indwelling one shrinkage joint of described barricade, adopts polyethylene closed-cell foamed plastics plate to fill shrinkage joint, and top adopts polysulfide sealant to carry out shutoff.
Further, in described barricade maintenance processes, if run into drying, hot climate condition, extend curing time more than 14 days.
Further, described transparent sealant is solvent-borne type Concrete Protective Agent acrylic resin.
A kind of Retaining wall method that the present invention proposes, can monitor the distortion of steel form in work progress, displacement effectively, the feature such as have that activities is simple, easy construction, construction quality are secure, effectively improves efficiency of construction.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from manual, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write manual, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the workflow diagram of a kind of Retaining wall method of the present invention.
Detailed description of the invention
Functional overview
Consider the problems such as existing Retaining wall methods engineering difficult quality control, propose a kind of novel Retaining wall method, to solve relevant issues.
Below in conjunction with accompanying drawing, embodiments of the invention are described.It should be noted that, when not conflicting, the technical characteristic in embodiments of the invention and embodiment can be combined with each other, all within protection scope of the present invention.In addition, for convenience of description, employ step number hereinafter, but this should not be construed as limitation of the present invention, in addition, although each step described in following methods shows logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Embodiment of the method
According to embodiments of the invention, propose a kind of Retaining wall method.
Fig. 1 shows the flow chart of a kind of Retaining wall method according to the inventive method embodiment, comprises the steps:
Step S102, pre-buried two row φ 12@500 reinforcing bars when retaining wall foundation is built, angle is 30 ° of angles;
Step S104, described retaining wall foundation is installed combination pattern set shaped steel formwork, and between adjacent two pieces of described steel forms except bolt connects, need use the adjustment of straight back cord, smoothing, wherein, described steel form is with change in location indicating module;
Step S106, concreting in lifts in described punching block version, layer height scope is 300-500mm;
Step S108, after described concreting completes three days, removes described steel form, carries out covering watering maintenance, then to described wall surface brushing transparent sealant.
The details of above-mentioned process is described below in detail.
(1) step S104
Preferably, before installing described steel form, welding positioning bar, described positioning bar is apart from described steel form root 30mm, and the level interval of described positioning bar is 1500mm, and width is described (thickness of wall body-1 of barricade) mm.
Preferably, before installing described steel form, to described punching block version brushing release agent.
Preferably, deform in work progress when described steel form or be shifted, then described change in location indicating module notifies the shaped position change information of steel form described in constructor by mobile communications network or WLAN, the deformation position of described constructor steel form according to described Information locating carries out maintenance operation, preferably, the content such as position coordinates, distortion menace level that steel form deforms is comprised in described information.
Preferably, deform or be shifted when described steel form in work progress, then described change in location indicating module can send ear-piercing alarm sound, notifies that constructor's steel form goes wrong.
(2) step S106
Preferably, described concrete is mirror surface concrete, and add silica flour in described concrete, the consumption of described silica flour is 10% of the described concrete cement consumption of composition, can concrete strength be improved like this, in addition, can also make concrete more closely knit, improve concrete durability, when guaranteeing form removal, barricade wall body can not arrisdefect.
Major control blanking velocity and concrete slump in casting process, prevent blanking velocity too fast or cause because the slump is excessive that template side pressure is excessive to be made template deformation or collapse the phenomenon such as storehouse to occur.If layer height is too high, will be unfavorable for concretely fully vibrating, concrete surface easily produce leakage shake, the phenomenon such as pore.Two kinds of vibrating spears must not be used when building same position, moving interval≤50cm(50 vibrating spear) ,≤40cm(30 vibrating spear, in reinforcing bar encrypted area), vibrating time is determined by observing (concrete surface glows slurry, no longer significantly sinks, no longer occurs bubble), when vibrating, lower floor >=50mm will be inserted in upper strata, forbids to clash into template, pull bar etc. with vibrating spear direct tamping.Concrete inclines from eminence the free height that falls must not more than 2m, if exceed 2m erection must slip the impact mitigation measures such as bucket.Must ensure when vibrating that concrete fills up, tamp.
(3) step S108
Described transparent sealant is solvent-borne type Concrete Protective Agent, and be the acrylic resin for meeting percdation needs and specialized designs configuration, it can penetrate into concrete, and cements out, the moisture content on the surface of trowel used for plastering soil to increase concrete curable grip.The topping that its is formed has the characteristics such as water proofing property, high resistance alkali, corrosion protection and antiultraviolet, the functional performancies such as its acrylic acid top layer tool protectiveness, ornamental, skid resistance and persistence.
Preferably, if there is pitted skin defect after described barricade form removal, then floating by 1:2 or 1:2.5 cement mortar after clean to described surface erosion with clear water.
Preferably, if there is honeycomb defect after described barricade form removal, then first cut loose weak described concrete around hole, then wash with press water or wire brush, with 1:2 or 1:2.5 cement mortar screeding and compaction.
Preferably, every 15m indwelling one shrinkage joint of described barricade, adopts polyethylene closed-cell foamed plastics plate to fill shrinkage joint, and top adopts polysulfide sealant to carry out shutoff.
Preferably, in described barricade maintenance processes, if run into drying, hot climate condition, extend curing time more than 14 days.
A kind of Retaining wall method that the present invention proposes, can monitor the distortion of steel form in work progress, displacement effectively, the feature such as have that activities is simple, easy construction, construction quality are secure, effectively improves efficiency of construction.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (11)

1. a Retaining wall method, is characterized in that, comprises 1) retaining wall foundation pre-buried two row φ 12 500 reinforcing bars when building, angle is 30 ° of angles; 2) on described retaining wall foundation, install combination pattern set shaped steel formwork, between adjacent two pieces of described steel forms except bolt connects, need use the adjustment of straight back cord, smoothing, wherein, described steel form is with change in location indicating module; 3) concreting in lifts in described punching block version, layer height scope is 300-500mm; 4) after described concreting completes three days, remove described steel form, carry out covering watering maintenance, then to described wall surface brushing transparent sealant.
2. method according to claim 1, is characterized in that, before installing described steel form, welding positioning bar, described positioning bar is apart from described steel form root 30mm, and the level interval of described positioning bar is 1500mm, and width is described (thickness of wall body-1 of barricade) mm.
3. method according to claim 1, is characterized in that, before installing described steel form, to described punching block version brushing release agent.
4. method according to claim 1, it is characterized in that, deform in work progress when described steel form or be shifted, then described change in location indicating module notifies the shaped position change information of steel form described in constructor by mobile communications network or WLAN, and described constructor carries out maintenance operation according to described information.
5. method according to claim 1, is characterized in that, deforms or be shifted when described steel form in work progress, then described change in location indicating module can send ear-piercing alarm sound, notifies that constructor's steel form goes wrong.
6. method according to claim 1, is characterized in that, described concrete is mirror surface concrete, and adds silica flour in described concrete, and the consumption of described silica flour is 10% of the described concrete cement consumption of composition.
7. method according to claim 1, is characterized in that, if there is pitted skin defect after described barricade form removal, then floating by 1:2 or 1:2.5 cement mortar after clean to described surface erosion with clear water.
8. method according to claim 1, it is characterized in that, if there is honeycomb defect after described barricade form removal, then first cut loose weak described concrete around hole, then wash with press water or wire brush, with 1:2 or 1:2.5 cement mortar screeding and compaction.
9. method according to claim 1, is characterized in that, every 15m indwelling one shrinkage joint of described barricade, adopts polyethylene closed-cell foamed plastics plate to fill shrinkage joint, and top adopts polysulfide sealant to carry out shutoff.
10. method according to claim 1, is characterized in that, in described barricade maintenance processes, if run into drying, hot climate condition, extends curing time more than 14 days.
11. methods according to claim 1, is characterized in that, described transparent sealant is solvent-borne type Concrete Protective Agent acrylic resin.
CN201510071570.4A 2015-02-11 2015-02-11 Retaining wall construction method CN104594378A (en)

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Application Number Priority Date Filing Date Title
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Publications (1)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000257088A (en) * 1999-03-10 2000-09-19 Geotech Co Ltd Earth retaining wall and its construction method
CN201583827U (en) * 2010-01-18 2010-09-15 江苏先行工业设备安装有限公司 Building construction field safety monitoring system
CN102575447A (en) * 2009-10-15 2012-07-11 日本环境制造株式会社 Earth retaining wall and method of constructing same
CN202928611U (en) * 2012-11-01 2013-05-08 浙江耀兴建设有限公司 Building shuttering safety monitoring system
CN103469815A (en) * 2013-09-23 2013-12-25 江苏省交通科学研究院股份有限公司 Construction method for protecting slope of reinforced-concrete retaining wall
CN203383229U (en) * 2013-07-22 2014-01-08 四川公路桥梁建设集团有限公司 Over-form construction formwork for oblique earth-retaining walls
CN203704975U (en) * 2014-01-08 2014-07-09 广州市建设工程质量安全检测中心 Real-time high formwork monitoring and alarming system
CN104120736A (en) * 2013-04-28 2014-10-29 杨哲 Construction method of reinforced concrete retaining wall

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000257088A (en) * 1999-03-10 2000-09-19 Geotech Co Ltd Earth retaining wall and its construction method
CN102575447A (en) * 2009-10-15 2012-07-11 日本环境制造株式会社 Earth retaining wall and method of constructing same
CN201583827U (en) * 2010-01-18 2010-09-15 江苏先行工业设备安装有限公司 Building construction field safety monitoring system
CN202928611U (en) * 2012-11-01 2013-05-08 浙江耀兴建设有限公司 Building shuttering safety monitoring system
CN104120736A (en) * 2013-04-28 2014-10-29 杨哲 Construction method of reinforced concrete retaining wall
CN203383229U (en) * 2013-07-22 2014-01-08 四川公路桥梁建设集团有限公司 Over-form construction formwork for oblique earth-retaining walls
CN103469815A (en) * 2013-09-23 2013-12-25 江苏省交通科学研究院股份有限公司 Construction method for protecting slope of reinforced-concrete retaining wall
CN203704975U (en) * 2014-01-08 2014-07-09 广州市建设工程质量安全检测中心 Real-time high formwork monitoring and alarming system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王涛: "悬壁式挡土墙施工技术", 《建材技术与应用》 *

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Application publication date: 20150506

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