CN100434598C - Retaining wall in lightweight, and construction method - Google Patents

Retaining wall in lightweight, and construction method Download PDF

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Publication number
CN100434598C
CN100434598C CNB2007100033842A CN200710003384A CN100434598C CN 100434598 C CN100434598 C CN 100434598C CN B2007100033842 A CNB2007100033842 A CN B2007100033842A CN 200710003384 A CN200710003384 A CN 200710003384A CN 100434598 C CN100434598 C CN 100434598C
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China
Prior art keywords
retaining
shingle nail
lightweight
light filler
filler layer
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CNB2007100033842A
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CN101003975A (en
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程卫国
朱友群
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程卫国
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Abstract

The present invention discloses a light retaining wall and its construction method. Said method includes the following steps: firstly, building foundation, laying cement mortar on the foundation and making cement mortar surface be parallel to the horizontal plane, inserting first layer of wall panel into the cement mortar and making the plane of wall panel be perpendicular to the cement mortar surface, after the cement mortar is solidified and the wall panel and foundation are connected into one body, after the wall panel laying first layer of light filling material, then laying reinforcing bar on the compacted light filling material, making one end of reinforcing bar be firmly connected with wall panel and making its another end be inserted into light filling material, then successively mounting second layer of wall panel, laying second layer of filling material and setting reinforcing bar according to the above-mentioned steps until the predefined height is reached so as to obtain the light retaining wall.

Description

Retaining wall in lightweight and job practices thereof
Technical field
The invention belongs to geotechnical engineering and technical field of buildings, be specifically related to the job practices of a kind of retaining wall and retaining wall.
Background technology
The common configuration of retaining structure is a retaining wall, and the effect of retaining wall is a retaining soil.Gravity retaining wall relies on the weight of body of wall self to come earth lateral pressure behind the balance wall, and materials for wall is that piece stone forms with masonry of cement mortar or steel concrete is built and formed, and this structure is widely used in various revetments, embankment, end of the bridge and harbour aileron.The cemented rock retaining wall or the reinforced concrete retaining wall volume is big, consumptive material is many, from great, higher and landscape effect is single to the ground requirement for bearing capacity.This structure bricklaying quantity is many, cost is high, moulding is not attractive in appearance, especially in rock material resource and more and more nervous epoch of human resources, people are in order to make the retaining wall economical rationality, to reduce cost, manage behind metope, to add in the backfill an amount of stretching resistance material, improve the anti-shear performance of soil, reach and form the purpose that whole reinforced earth body keeps off soil, promptly so-called reinforced earth retaining wall.Yet the bearing capacity of the ground under the special geologic conditions such as weak soil, mud can't satisfy the requirement of gravity retaining wall and reinforced soil retaining wall, and constructing retaining wall on the less ground of this bearing capacity is present urgent problem.All retaining walls all require bearing capacity of foundation soil can bear the weight of retaining wall body at present.
Summary of the invention
The purpose of this invention is to provide a kind of retaining wall in lightweight of special foundations uses such as the relatively poor weak soil of bearing capacity, silt soil and job practices of this retaining wall in lightweight of being suitable for.
For achieving the above object, the job practices of a kind of retaining wall in lightweight of the present invention may further comprise the steps:
(1) accomplishes fluently ground;
(2) on above-mentioned ground, fill up cement mortar, the cement mortar surface is paralleled with horizontal plane, then the first floor shingle nail is embedded cement mortar, plane, shingle nail place is perpendicular to the cement mortar surface, after treating that cement mortar solidification, shingle nail and ground are connected as a single entity, first floor light filler layer paves behind shingle nail, it is real with the light filler lamination behind the predetermined thickness that the light filler layer reaches, then reinforcing rib is tiled on the light filler layer of compacting, and reinforcing rib one end is fixed on the hook of shingle nail, the other end inserts by the retaining soil body by the buckle anchor pole;
(3) second layer shingle nail is installed successively, the second layer filler that paves, reinforcing rib is set according to above-mentioned steps, promptly obtain retaining wall in lightweight up to reaching predetermined altitude, each layer shingle nail is connected as a single entity, each layer filler is solidified as one.
Further, when paving first floor light filler layer, in first floor light filler layer bottom gutter is set, this gutter is a tee piece, and the delivery port of tee piece is located on the shingle nail.
Further, described light filler layer upper surface be from being tilted to the shingle nail direction by the retaining soil body, the thickness of light filler layer greater than 10cm less than 30cm.
Further, described reinforcing rib is drawknot net sheet or sockets band.
A kind of retaining wall in lightweight, by ground, shingle nail, the light filler layer, reinforcing rib is formed, described ground upper surface is provided with cement sand bed, the cement sand bed upper surface parallels with horizontal plane, thereby described shingle nail embeds in the cement sand bed and is connected as a single entity with ground, the shingle nail rear side is close to shingle nail and is provided with the light filler layer, be interval with reinforcing rib in the light filler layer, described shingle nail inboard is provided with hook, described reinforcing rib one end is fixedlyed connected with shingle nail by hook, the other end inserts by the retaining soil body by the buckle anchor pole, and reinforcing rib is tiled on the light filler layer.
Further, described shingle nail external surface is provided with several hooks that is used to hang the greening container.
Further, described shingle nail cast in situs forms or adopts ready-made sheet material or adopts prefabricated units, and described light filler layer is mixed together by raw material soil, water, foam grain, curing cementitious materials.
Further, described first floor light filler layer bottom is provided with gutter, and this gutter is a tee piece, and the delivery port of tee piece is located on the shingle nail.
Further, described raw material soil is replaced by building waste or spoir or flyash or mud, described curing cementitious materials select for use cement or or lime or resin, described foam grain is particle or the foam-in-place plastic grain that used foamed plastics rubs.
Further, described reinforcing rib is drawknot net sheet or sockets band.
Retaining wall in lightweight of the present invention, by shingle nail, the light filler layer, reinforcing rib is formed, reinforcing rib one end connects shingle nail, the other end is fixed on the soil layer behind the filler, foam grain in the light filler layer makes about the weight reduction 5-95% of light filler layer, make retaining wall in lightweight overall weight of the present invention light, be suitable under the soft foundation condition, using, the settlement Control that makes body of wall is in allowed band, because reinforcing rib has the tensile strength height, characteristics such as good endurance, therefore guaranteed the intensity of body of wall, and make body of wall and light filler layer form organic whole, overcome the shortcoming of traditional gravity retaining wall and reinforced soil retaining wall; Reinforcing rib adopts drawknot net sheet or sockets band, and drawknot net sheet, the net structure that sockets band make drawknot net sheet, it is bigger with frictional strength between the light filler layer to socket band, reduced and kept off the lateral pressure of the soil body to shingle nail, strengthened the resistance to overturning of body of wall; Reserve metal hanger in the shingle nail outside, be used for hanging and fixing greening container, satisfy the demand of the vertical greening of body of wall.The present invention not only satisfies view and environmental protection requirement and returns comprehensive utilization mud, used foamed plastics, flyash etc. and opened up market.Therefore; the body of wall of retaining wall in lightweight of the present invention is light, based process is simple, intensity is high, construction is simple, consumptive material is few, economical and practical; simultaneously can utilize building waste, spoir, flyash, mud, used foamed plastics to alleviate its pollution, have the good effect of twice laid, environmental protection and landscape effect surrounding enviroment.
Description of drawings
Fig. 1 is the profile of retaining wall in lightweight of the present invention;
Fig. 2 is the structural representation of gutter.
The specific embodiment
The step of retaining wall in lightweight of the present invention and job practices thereof is as follows:
(1) prepares ground: position excavation foundation trench, the original soil rammed of retaining wall are set at need, and on foundation trench, lay the graded broken stone bed course, constructing concrete or rubble basis forms as shown in Figure 1 ground 1 on hardcore bed then, every 10m is provided with the shrinkage joint one on the ground 1, and the shrinkage joint adopts materials such as asphalt plank, cork slab or pitch loose hemp fiber as joint sealing material;
(2) first floor shingle nail 2 is being installed on the ground 1: the cement mortar of filling up earlier about 2cm on the ready ground 1 in above-mentioned steps () forms cement sand bed 11, cement sand bed 11 surfaces are paralleled with horizontal plane, first floor shingle nail 2 is installed on cement mortar, make first floor shingle nail 2 embed cement sand bed 11, plane, shingle nail place and cement sand bed 11 surfaces are perpendicular, shingle nail promptly is connected as a single entity with ground after treating cement mortar solidification, thereby it is stable that first floor shingle nail 2 is installed, then at the above-mentioned shingle nail rear side light filler layer 3 that paves, light filler layer 3 paving thickness must not be greater than 30cm with less than 10cm, and want uniformity, surfacing, after the light filler layer reaches predetermined thickness that the light filler lamination is real, on the light filler layer after the compacting, lay first floor drawknot net sheet 4 then, the hook 21 of drawknot net sheet 4 one ends and the reservation of shingle nail 2 back sides is connected firmly, and drawknot net sheet is tiled on the light filler layer of compacting, the other end is connected firmly with the soil body 5 with being with in the soil body 5 that colludes after anchor pole 8 inserts the light filler layers; Drawknot net sheet 4 must satisfy durability, anti-corrosive properties, socket technical indicators such as intensity; Cement mortar should be filled simultaneously to the space between shingle nail and ground;
(3) shingle nail, the filler that paves are installed, drawknot net sheet is set according to above-mentioned steps, promptly obtain retaining wall in lightweight up to reaching predetermined altitude, be behind the retaining wall by the retaining soil body 5, for preventing that light filler layer upper surface from accumulating rainwater, light filler layer upper surface is from being kept off the soil body to shingle nail direction inclination certain angle, and the end away from shingle nail 2 on the light filler layer 3 tilts to the direction away from shingle nail 2 from top to bottom, it is fixing to collude anchor pole 8 for ease of band, and the joint face between the light filler layer 3 and the soil body is a step;
In above-mentioned steps (two), shingle nail can cast in situs forms also can adopt ready-made sheet material or prefabricated units, and cast in situs can adopt artistic template to reach different artistic effects, makes the appearance of retaining wall more attractive in appearance; And be provided with second hook 6 at each layer shingle nail external surface, be used for hanging and fixing greening container, satisfy the demand of the vertical greening of body of wall; Sheet material can adopt durability panels such as stainless steel, minute surface, color steel, plastics; Prefabricated units can adopt drystone, grout, from modes such as embeddings, the shingle nail layering of above-mentioned various materials is built by laying bricks or stones or the layering welding; Described filler is by raw material soil, water, foam grain, the curing cementitious materials drops in the hybrid processor by a certain percentage and mixes together, wherein solidify the optional cement of using of cementitious materials, lime, materials such as resin, raw material soil also can be by building waste, spoir, flyash, replacements such as mud, described foam grain can be that used foamed plastics rubs into the content of particle or the various compositions of foam-in-place plastic grain according to the requirement of strength of body of wall is decided, in the foam grain lightweight compound that stirs, particle diameter≤the 100mm of foam grain, the particle diameter≤10mm of cement granule; Also available other reinforcing rib of above-mentioned drawknot net sheet replaces as socketing band.In addition, also be provided with gutter 7 in light filler layer 3 bottom and be used to discharge ponding in the soil body 5, as shown in Figure 2, gutter 7 is a tee piece, and the delivery port 71 of tee piece is located on the shingle nail 2.

Claims (10)

1, a kind of job practices of retaining wall in lightweight is characterized in that, may further comprise the steps:
(1) accomplishes fluently ground;
(2) on above-mentioned ground, fill up cement mortar, the cement mortar surface paralleled with horizontal plane,
Then the first floor shingle nail is embedded cement mortar, plane, shingle nail place is perpendicular to the cement mortar surface, after treating that cement mortar solidification, shingle nail and ground are connected as a single entity, first floor light filler layer paves behind shingle nail, it is real with the light filler lamination behind the predetermined thickness that the light filler layer reaches, then reinforcing rib is tiled on the light filler layer of compacting, and reinforcing rib one end is fixed on the hook of shingle nail, the other end inserts by the retaining soil body by the buckle anchor pole;
(3) second layer shingle nail is installed successively, the second layer filler that paves, reinforcing rib is set according to above-mentioned steps, promptly obtain retaining wall in lightweight up to reaching predetermined altitude, each layer shingle nail is connected as a single entity, each layer filler is solidified as one.
2, the job practices of retaining wall in lightweight as claimed in claim 1 is characterized in that, when paving first floor light filler layer, in first floor light filler layer bottom gutter is set, and this gutter is a tee piece, and the delivery port of tee piece is located on the shingle nail.
3, the job practices of retaining wall in lightweight as claimed in claim 1 is characterized in that, described light filler layer upper surface be from being tilted to the shingle nail direction by the retaining soil body, the thickness of light filler layer greater than 10cm less than 30cm.
4, the job practices of retaining wall in lightweight as claimed in claim 1 is characterized in that, described reinforcing rib is drawknot net sheet or sockets band.
5, a kind of retaining wall in lightweight, it is characterized in that, by ground, shingle nail, the light filler layer, reinforcing rib is formed, described ground upper surface is provided with cement sand bed, the cement sand bed upper surface parallels with horizontal plane, thereby described shingle nail embeds in the cement sand bed and is connected as a single entity with ground, the shingle nail rear side is close to shingle nail and is provided with the light filler layer, be interval with reinforcing rib in the light filler layer, described shingle nail inboard is provided with hook, described reinforcing rib one end is fixedlyed connected with shingle nail by hook, and the other end inserts by the retaining soil body by the buckle anchor pole, and reinforcing rib is tiled on the light filler layer.
6, retaining wall in lightweight as claimed in claim 5 is characterized in that, described shingle nail external surface is provided with several hooks that is used to hang the greening container.
7, retaining wall in lightweight as claimed in claim 5, it is characterized in that, described shingle nail cast in situs forms or adopts ready-made sheet material or adopts prefabricated units, and described light filler layer is mixed together by raw material soil, water, foam grain, curing cementitious materials.
8, retaining wall in lightweight as claimed in claim 5 is characterized in that, described first floor light filler layer bottom is provided with gutter, and this gutter is a tee piece, and the delivery port of tee piece is located on the shingle nail.
9, retaining wall in lightweight as claimed in claim 7; it is characterized in that; described raw material soil is by building waste or spoir or flyash or mud replacement; described curing cementitious materials select for use cement or or lime or resin, described foam grain is particle or the foam-in-place plastic grain that used foamed plastics rubs.
10, retaining wall in lightweight as claimed in claim 5 is characterized in that, described reinforcing rib is drawknot net sheet or sockets band.
CNB2007100033842A 2007-02-06 2007-02-06 Retaining wall in lightweight, and construction method Expired - Fee Related CN100434598C (en)

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Application Number Priority Date Filing Date Title
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CN100434598C true CN100434598C (en) 2008-11-19

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CN102535512A (en) * 2012-02-02 2012-07-04 石家庄铁道大学 Geogrid reinforcement lime soil retaining wall and construction method thereof
CN104652470B (en) * 2014-12-24 2016-08-10 中交第二公路勘察设计研究院有限公司 Light-duty self-anchored type prefabricated reinforced concrete retaining wall and construction method
CN104652471A (en) * 2014-12-25 2015-05-27 贵州省交通规划勘察设计研究院股份有限公司 Efficient retainer wall construction device
CN104929150A (en) * 2015-04-23 2015-09-23 侨健新能源科技(苏州)有限公司 Construction method of rigid-flexible composite pre-displacement retaining wall
CN105756083B (en) * 2016-03-24 2018-02-16 中水北方勘测设计研究有限责任公司 High retaining wall structure
CN105862575A (en) * 2016-05-31 2016-08-17 中国华电科工集团有限公司 Structure for abutment roadbed and model selection method for structure
CN106120501B (en) * 2016-08-10 2018-01-09 浙江大学城市学院 Existing barricade section roadbed spells width and increases structure and construction method
CN106592363B (en) * 2016-11-29 2019-04-26 滨州交通工程公司 A kind of construction method that municipal administration is soft soil roadbed
CN107245912B (en) * 2017-07-03 2019-04-30 中国铁道科学研究院铁道建筑研究所 A kind of Foam lightweight soil railway bed structure and engineering method
CN107642097A (en) * 2017-08-18 2018-01-30 西北矿冶研究院 A kind of light-duty refuse dump retaining structure

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Publication number Priority date Publication date Assignee Title
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JPH09242096A (en) * 1996-03-12 1997-09-16 Iijima Tadao Reinforced soil retaining wall construction method
CN2310092Y (en) * 1997-09-21 1999-03-10 湘潭工学院 Reinforced concrete lattice type soil-stop wall
JP2004521213A (en) * 2001-06-11 2004-07-15 ジャイロ・ジャール−マルクJailloux Jean−Marc Assembling method of holding structure
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