CN109339117A - A kind of biology is detained the bridging method of antiseepage film and barricade in facility - Google Patents

A kind of biology is detained the bridging method of antiseepage film and barricade in facility Download PDF

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Publication number
CN109339117A
CN109339117A CN201811291269.4A CN201811291269A CN109339117A CN 109339117 A CN109339117 A CN 109339117A CN 201811291269 A CN201811291269 A CN 201811291269A CN 109339117 A CN109339117 A CN 109339117A
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CN
China
Prior art keywords
barricade
antiseepage film
extension
biology
detained
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201811291269.4A
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Chinese (zh)
Inventor
柴少波
胡志平
姬国强
李小乐
王昊
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Changan University
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Changan University
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 Changan University filed Critical Changan University
Priority to CN201811291269.4A priority Critical patent/CN109339117A/en
Publication of CN109339117A publication Critical patent/CN109339117A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E02D31/025Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
    • 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
    • E02D29/0258Retaining or protecting walls characterised by constructional features
    • E02D29/0275Retaining or protecting walls characterised by constructional features cast in situ
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2450/00Gaskets
    • E02D2450/10Membranes
    • E02D2450/105Membranes impermeable
    • E02D2450/106Membranes impermeable for liquids

Abstract

The invention discloses the bridging methods that a kind of biology is detained antiseepage film and barricade in facility, the present invention passes through when pouring barricade upper and lower part extension, antiseepage film is directly cast in inside, and lower extension portion is stretched out in the end of the antiseepage film of lower extension portion, when finally overlapping fixed again, the antiseepage film that lower extension portion stretches out is fixed on barricade top.The laying of antiseepage film and pouring for L-type barricade are combined into one by the present invention, avoid antiseepage film and barricade overlapped complicated procedures of forming, make its easy construction, and antiseepage film is overlapped in junction, keep antiseepage security performance higher.

Description

A kind of biology is detained the bridging method of antiseepage film and barricade in facility
Technical field
The invention belongs to antiseepage film fields, and in particular to a kind of biology is detained the overlap joint side of antiseepage film and barricade in facility Method.
Background technique
Sponge city is new generation of city storm water man- agement concept, refers to that city is brought in adaptation environmental change and reply rainwater Natural calamity etc. there is good " elasticity ".Not merely drained by conventional municipal road, it is main by pair Absorption, the storage of precipitation, on the basis of conservation of nature environment, solve the problems, such as urban waterlogging using various ways.
In sponge Process of Urban Development, biology is detained facility due to its efficient rainwater self-purification and treatment characteristic, Have become one of most widely used low influence development technique on urban municipal road.Biology is detained facility and refers in lowered zones Kind have the job facilities of the plants such as shrub, flowers and plants or even trees, mainly by soil, plant and the physics of microorganism, chemistry and Biological effect purifying rainwater, while then slowly penetrating into surrounding soil by temporarily storing rainwater and reduce outlet run-off. The mechanism of its purifying rainwater includes: precipitating, is adsorbed, filtering, volatilization, ion exchange, decomposition, phytoremediation, biology Repair etc..
It is pointed out in sponge urban construction technical manual, thinks that rainwater infiltration can cause buildings or structures around Ru evaluated Collapsing risk, or when carrying out bottom water outlet to harvest reuse, facility bottom and periphery should be detained in biology and carry out seepage prevention design.
Section generally is infiltrated in the rainwater concentration of road, a large amount of rain infiltrations threaten roadbed safety in order to prevent, can be at these Position is arranged the biology that side is " L " steel bar concrete guard wall and is detained facility, and barricade is used for roadbed lateral support and rainwater side To evading, then in barricade lower part, overlap joint antiseepage film carries out antiseepage, and barricade and antiseepage film materials variances are larger, general bonding Material is fixed, but under moisture long term, lap position is easy to crack, and moisture penetrates into lower part ground along antiseepage film side Soil threatens to the normal operation of road when serious.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide the overlap joints that a kind of biology is detained antiseepage film and barricade in facility Method, this structure barrier performance is more preferable, can reduce risk of leakage herein, while speed of application is fast, difficulty is low, and not will increase Project cost.
In order to achieve the above object, the present invention the following steps are included:
Step 1, reinforcing bar binding and the L-type sizing steel membrane for carrying out L-type barricade are assembled;
Step 2 carries out concreting, first pours the lower extension portion of L-type barricade, concrete did not had rebar surface When, it is laid with antiseepage film, the end of antiseepage film is made to stretch out lower extension portion;
Step 3 is further continued for casting concrete after antiseepage film laying is smooth, until completing the lower projection of L-type barricade That divides pours;
Step 4 pours the barricade top of L-type barricade, when concrete did not had rebar surface, is laid with antiseepage film, antiseepage film paving If after smooth, being further continued for casting concrete, until completing pouring for the barricade top of L-type barricade;
The lower extension portion of L-type barricade and barricade top are carried out overlap joint fixation by step 5, and by lower extension portion The antiseepage film of stretching is fixed on barricade top, completes the overlap joint of antiseepage film and barricade.
In step 1, before carrying out reinforcing bar binding, cushion block is first set, and cushion block is tightened with reinforcing bar.
Cushion block is made of pea gravel concreten.
Before being laid with antiseepage film, concrete is made firm by ramming.
After the completion of the lower extension portion of L-type barricade and barricade top pour, to lower extension portion and barricade top into Row conserves, and in maintenance processes, antiseepage film is rolled and is placed in home.
In step 5, when overlapping fixed, expansion joint is cut on barricade top, then chisel concrete reaming is carried out to expansion joint, most The antiseepage film of stretching is folded into reaming afterwards, then with loose hemp fiber joint filling, finally expansion joint is covered with malthoid and fixes antiseepage film.
Compared with prior art, the present invention is by when pouring barricade upper and lower part extension, directly by antiseepage film Be cast in inside, and lower extension portion is stretched out in the end of the antiseepage film of lower extension portion, when finally overlapping fixed again, will under The antiseepage film that portion extension is stretched out is fixed on barricade top.The present invention pours conjunction two for the laying of antiseepage film and L-type barricade It is one, avoids antiseepage film and barricade overlapped complicated procedures of forming, make its easy construction, and overlapping is set antiseepage film in junction It sets, keeps antiseepage security performance higher.
Detailed description of the invention
Fig. 1 is the schematic diagram of antiseepage film and L-type barricade lap-joint in the present invention;
Fig. 2 is the top view of antiseepage film and L-type barricade position in the present invention;
Wherein, 1, L-type barricade;2, reinforcing bar;3, antiseepage film;5, barricade top;6, lower extension portion.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Referring to Fig. 1 and Fig. 2, the present invention the following steps are included:
Step 1, the binding of reinforcing bar 2 and the L-type sizing steel membrane for carrying out L-type barricade 1 are assembled;
Step 2 carries out concreting, first pours the lower extension portion 6 of L-type barricade 1, concrete did not had 2 table of reinforcing bar When face, it is laid with antiseepage film 3 after making firm by ramming to concrete, the end of antiseepage film 3 is made to stretch out lower extension portion 6;
Step 3, antiseepage film 3 be laid with it is smooth after, be further continued for casting concrete, until complete L-type barricade 1 lower part extend Part 6 pours;
Step 4, the barricade top 5 for pouring L-type barricade 1 make concrete firm by ramming when concrete did not had 2 surface of reinforcing bar Afterwards be laid with antiseepage film 3, antiseepage film 3 be laid with it is smooth after, be further continued for casting concrete, until complete L-type barricade 1 barricade top 5 Pour;
The lower extension portion 6 of L-type barricade 1 and barricade top 5 are carried out overlap joint fixation, and lower part are extended by step 5 The antiseepage film 3 that part 6 is stretched out is fixed on barricade top 5, completes the overlap joint of antiseepage film and barricade.
In step 1, before carrying out reinforcing bar 2 and binding, cushion block is first set, and cushion block is tightened with reinforcing bar 2.
Preferably, cushion block is made of pea gravel concreten.
Embodiment 1:
Referring to Fig. 1 and Fig. 2, the present invention the following steps are included:
Step 1, surveying setting-out determine that the key dimension of L-type barricade, height 0.15m, the development length of L-type are 0.2m, 8m One section carries out the binding of reinforcing bar, first carries out the formwork of L-type extension;
Step 2, carry out concreting, when concreting to just do not had reinforcing bar upper surface when, start be laid with antiseepage Film, antiseepage film need to be laid with smooth, prevent fold, be laid with it is smooth after, continue casting concrete, due to the thickness one of antiseepage film As it is very thin, only several millimeters, thus reinforcing bar upper protective layer thickness still can by original 5cm design construct.In barricade End antiseepage film should stretch out the length of 0.4m, for the overlap joint between barricade.Behind the lower extended part for having poured L-type, Start to pour the vertical portion of L-type.
It, should be before being laid with antiseepage film to coagulation when the extension of step 3, concrete tamping, L-type barricade is made firm by ramming Soil is made firm by ramming, and the concrete scraper plate after being laid with antiseepage film is touched and smoothed out, and is conserved after having poured.In maintenance processes, The antiseepage film of reply extension rolls the home for being placed in template, prevents antiseepage film from scratching.It, also should be special during demoulding Pay attention to the maintenance of antiseepage film.
Step 4, the overlap joint of antiseepage film is fixed at expansion joint, it is artificial cut expansion joint after, reached by geometric dimension chisel concrete reaming To depth 6cm, width 4cm is cleaned out in slot with wall, the extension of antiseepage film is folded into reaming, then with loose hemp fiber joint filling, Finally expansion joint is covered with malthoid and fixes antiseepage film.
Step 5, lower part antiseepage film overlap joint.The wide 2.17m of antiseepage film in the present embodiment, has extension at the barricade of both ends respectively, It is 2.3m that biology, which is detained facility bottom width, therefore avoids the transverse lap of antiseepage film;When antiseepage film carries out longitudinal lap joint, Longitudinally connected place should make pressure slope laying of going up a slope.

Claims (6)

1. the bridging method that a kind of biology is detained antiseepage film and barricade in facility, which comprises the following steps:
Step 1, reinforcing bar (2) binding and the L-type sizing steel membrane for carrying out L-type barricade (1) are assembled;
Step 2 carries out concreting, first pours the lower extension portion (6) of L-type barricade (1), concrete did not had reinforcing bar (2) It when surface, is laid with antiseepage film (3), the end of antiseepage film (3) is made to stretch out lower extension portion (6);
Step 3 is further continued for casting concrete after antiseepage film (3) laying is smooth, until the lower part for completing L-type barricade (1) extends Partially (6) pour;
Step 4 pours the barricade top (5) of L-type barricade (1), when concrete did not had reinforcing bar (2) surface, is laid with antiseepage film (3), After antiseepage film (3) laying is smooth, it is further continued for casting concrete, until completing pouring for barricade top (5) of L-type barricade (1);
The lower extension portion (6) of L-type barricade (1) and barricade top (5) are carried out overlap joint fixation, and lower part are prolonged by step 5 The antiseepage film (3) that extending portion point (6) is stretched out is fixed on barricade top (5), completes the overlap joint of antiseepage film and barricade.
2. the bridging method that a kind of biology according to claim 1 is detained antiseepage film and barricade in facility, which is characterized in that In step 1, before carrying out reinforcing bar (2) binding, cushion block is first set, and cushion block is tightened with reinforcing bar (2).
3. the bridging method that a kind of biology according to claim 2 is detained antiseepage film and barricade in facility, which is characterized in that Cushion block is made of pea gravel concreten.
4. the bridging method that a kind of biology according to claim 1 is detained antiseepage film and barricade in facility, which is characterized in that Before being laid with antiseepage film (3), concrete is made firm by ramming.
5. the bridging method that a kind of biology according to claim 1 is detained antiseepage film and barricade in facility, which is characterized in that After the completion of the lower extension portion (6) of L-type barricade (1) and barricade top (5) pour, on lower extension portion (6) and barricade Portion (5) is conserved, and in maintenance processes, antiseepage film (3) is rolled and is placed in home.
6. the bridging method that a kind of biology according to claim 1 is detained antiseepage film and barricade in facility, which is characterized in that In step 5, when overlapping fixed, expansion joint is cut in barricade top (5), then chisel concrete reaming is carried out to expansion joint, will finally stretched Antiseepage film (3) out is folded into reaming, then with loose hemp fiber joint filling, is finally covered expansion joint with malthoid and fixed antiseepage film.
CN201811291269.4A 2018-10-31 2018-10-31 A kind of biology is detained the bridging method of antiseepage film and barricade in facility Pending CN109339117A (en)

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CN201811291269.4A CN109339117A (en) 2018-10-31 2018-10-31 A kind of biology is detained the bridging method of antiseepage film and barricade in facility

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CN201811291269.4A CN109339117A (en) 2018-10-31 2018-10-31 A kind of biology is detained the bridging method of antiseepage film and barricade in facility

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000008393A (en) * 1998-06-25 2000-01-11 Kajima Corp Underground external wall
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
CN103669419A (en) * 2012-09-21 2014-03-26 贵阳铝镁设计研究院有限公司 Connecting structure of red mud storage yard anti-seepage film and concrete column and construction method
CN105568928A (en) * 2015-12-30 2016-05-11 中国电建集团北京勘测设计研究院有限公司 Construction method of sealed joint of composite geomembrane face dam
CN107604771A (en) * 2017-09-27 2018-01-19 中铁十局集团第三建设有限公司 Application process of the polyurethane sealant in concrete extension joint processing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000008393A (en) * 1998-06-25 2000-01-11 Kajima Corp Underground external wall
CN103669419A (en) * 2012-09-21 2014-03-26 贵阳铝镁设计研究院有限公司 Connecting structure of red mud storage yard anti-seepage film and concrete column and construction method
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
CN105568928A (en) * 2015-12-30 2016-05-11 中国电建集团北京勘测设计研究院有限公司 Construction method of sealed joint of composite geomembrane face dam
CN107604771A (en) * 2017-09-27 2018-01-19 中铁十局集团第三建设有限公司 Application process of the polyurethane sealant in concrete extension joint processing

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