CN107386326A - Underground pipe gallery structure and its construction method - Google Patents

Underground pipe gallery structure and its construction method Download PDF

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Publication number
CN107386326A
CN107386326A CN201710871291.5A CN201710871291A CN107386326A CN 107386326 A CN107386326 A CN 107386326A CN 201710871291 A CN201710871291 A CN 201710871291A CN 107386326 A CN107386326 A CN 107386326A
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CN
China
Prior art keywords
piping lane
main body
layer
lane main
laid
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
CN201710871291.5A
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Chinese (zh)
Inventor
刘平
刘文胜
赵鑫
李颖辉
陈龙
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CCFEB Civil Engineering Co Ltd
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CCFEB Civil Engineering Co Ltd
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 CCFEB Civil Engineering Co Ltd filed Critical CCFEB Civil Engineering Co Ltd
Priority to CN201710871291.5A priority Critical patent/CN107386326A/en
Publication of CN107386326A publication Critical patent/CN107386326A/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
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/10Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/10Restraining of underground water by lowering level of ground water
    • 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

Abstract

The present invention relates to underground engineering technical field, more particularly, to a kind of underground pipe gallery structure and its construction method.The construction method comprises the following steps:Concrete cushion is laid on foundation ditch bottom;Waterproof slab coiled material layer is laid on concrete cushion, base plate protection layer is then laid on waterproof slab coiled material layer;Piping lane main body is made on base plate protection layer;In the side face of wall laying side wall waterproof roll layer of piping lane main body, waterproof roofing coiled material layer is laid on the outer surface of the top plate of piping lane main body;Benzene plate protective layer is laid on side wall waterproof roll layer, concrete cover is laid on waterproof roofing coiled material layer.The underground pipe gallery structure, including piping lane main body;Piping lane main body, the outer bottom of piping lane main body are from top to bottom equipped with base plate protection layer, waterproof slab coiled material layer and concrete cushion successively.There is infiltration situation in the inside that the present invention advantageously reduces piping lane main body, extends the service life of underground pipe gallery.

Description

Underground pipe gallery structure and its construction method
Technical field
The present invention relates to underground engineering technical field, more particularly, to a kind of underground pipe gallery structure and its construction party Method.
Background technology
As national urbanization is fast-developing, urban population increases rapidly, how to carry out reconstruction of the old city town, improves resident living Environment is brought into schedule by various regions government.Old urban area is mostly there is the problems such as road is narrow, infrastructure old missing, wherein passing Direct-buried pipe net system to unite also with increased population, continuous excavation, dilatation, then excavates, dilatation again, road blocks throughout the year, suspension, Power-off occurs often.In recent years, the construction of underground pipe gallery, allow thoroughly solving old city pipe network problem and be possibly realized.In Jiu Cheng On limited road, supporting is carried out to foundation ditch using rigid vertical supporting construction, after piping lane main body is built up, to supporting construction and piping lane Gap between main body is backfilled.Because piping lane main body is embedded under soil layer, concrete structure itself waterproof of piping lane main body Often it is difficult to watertight, the phenomenon to seep water easily occurs in the inside of piping lane main body, shortens the use of underground pipe gallery Life-span.
The content of the invention
It is an object of the invention to provide a kind of underground pipe gallery structure and its construction method, to solve in the prior art It is existing because piping lane main body is embedded under soil layer, concrete structure itself waterproof of piping lane main body, which is often difficult to, drips not Leakage, easily there is the phenomenon technical problem to seep water in the inside of piping lane main body.
The invention provides a kind of construction method of underground pipe gallery structure, the construction method comprises the following steps:
Concrete cushion is laid on foundation ditch bottom;
Waterproof slab coiled material layer is laid on the concrete cushion, then lays bottom on the waterproof slab coiled material layer Plate protective layer;
Piping lane main body is made on the base plate protection layer;
In the side face of wall laying side wall waterproof roll layer of the piping lane main body, in the top plate of the piping lane main body Waterproof roofing coiled material layer is laid on outer surface;
Benzene plate protective layer is laid on the side wall waterproof roll layer, concrete is laid on the waterproof roofing coiled material layer Protective layer.
Alternatively, it is described on foundation ditch bottom lay concrete cushion before, the construction method also include make piping lane branch Protection structure, and excavation pit.
Alternatively, the construction method also includes:Blind pipe is laid at the foundation ditch bottom, water seepage hole is offered on the blind pipe; Loaded filter is wrapped up in the outer surface of the blind pipe.
Alternatively, the construction method also includes:Lay multiple staple shafts on the foundation ditch bottom, make the blind pipe with it is described dark Well is connected;Dewatering well is made, and the dewatering well is connected with the staple shaft.
Alternatively, the construction method also includes:Between the side wall of the piping lane main body and the piping lane supporting construction Backfilled in reserved groove using graded broken stone.
Alternatively, after completing to backfill the reserved groove, clay sealing is made to complete the top of the piping lane main body Backfill.
Alternatively, the construction method also includes:From the dewatering well into the staple shaft tripping in suction pump, and using drawing water The suction pump and the catch-basin in the external world are connected by pipe.
Present invention also offers a kind of underground pipe gallery structure, including piping lane main body;The piping lane main body, the piping lane The outer bottom of main body is from top to bottom equipped with base plate protection layer, waterproof slab coiled material layer and concrete cushion, the bottom plate successively Waterproof roll layer is between the concrete cushion and the base plate protection layer;The side face of wall of the piping lane main body by It is equipped with side wall waterproof roll layer and benzene plate protective layer successively from inside to outside, the side wall waterproof roll layer is located at benzene plate protection Between layer and the side wall of the piping lane main body;The outer surface of the top plate of the piping lane main body is equipped with top plate and prevented successively from inside to outside Water coiled material layer and concrete cover, the waterproof roofing coiled material layer are located at the concrete cover and the piping lane main body Between top plate.
Further, in addition to piping lane supporting construction;The both sides of the piping lane main body are respectively arranged with the piping lane supporting Structure.
Further, in addition to graded broken stone layer;The graded broken stone layer is located at the benzene plate protective layer and the piping lane Between supporting construction.
Compared with prior art, beneficial effects of the present invention are:
Underground pipe gallery structure and its construction method provided by the invention, pass through what is laid in the outer bottom of piping lane main body Base plate protection layer, waterproof slab coiled material layer and concrete cushion, to prevent the bottom plate of piping lane main body from seeping water;By in piping lane main body Side face of wall laying side wall waterproof roll layer and benzene plate protective layer, to prevent the side wall of piping lane main body from seeping water;By The outer surface upper plate waterproof roll layer and concrete cover of the top plate of piping lane main body, to prevent the top plate of piping lane main body from oozing Water, so as to infiltration situation occur beneficial to the inside for reducing piping lane main body, extend the service life of underground pipe gallery.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of underground pipe gallery structure provided in an embodiment of the present invention;
Fig. 2 is the close-up schematic view at A in Fig. 1;
Fig. 3 is the close-up schematic view at B in Fig. 1;
Fig. 4 is the close-up schematic view at C in Fig. 1.
In figure:
101- piping lane supporting construction;102- foundation ditches bottom;103- concrete cushions;104- waterproof slab coiled material layers;105- bottoms Plate protective layer;106- piping lane main bodys;107- side wall waterproof roll layers;108- benzene plate protective layers;109- waterproof roofing coiled material layers; 110- concrete covers;111- clay sealings;112- blind pipes;113- staple shafts;114- dewatering wells;115- graded broken stone layers; 116- drinking-water pipes;117- suction pumps.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in invention.
The embodiments of the invention provide a kind of construction method of underground pipe gallery structure, the construction method includes following step Suddenly:
Step S100, piping lane supporting construction 101, and excavation pit are made;Specifically, according to the design height of foundation ditch, Using diaphram wall, or the formation piping lane supporting construction 101 using bored concrete pile and high-pressure rotary jet grouting pile, the piping lane supporting construction 101 be water-stop curtain, and each reserved width in both sides of piping lane main body 106 is 1.5m refill spaces (that is, working as piping lane master After body 106 is formed, the width of the reserved groove between the side wall and piping lane supporting construction 101 of piping lane main body 106 is 1.5m), treat After diaphragm wall or the intensity of stake reach requirement, excavation pit.Piping lane supporting construction 101 can be as the supporting shape that permanent structure uses Formula.
Step S101, concrete cushion 103 is laid on foundation ditch bottom 102;Through foundation bearing force inspecting or treatment of soft foundation The bottom of qualified foundation ditch makes concrete cushion 103.
Step S102, waterproof slab coiled material layer 104 is laid on concrete cushion 103, then in waterproof slab coiled material layer Base plate protection layer 105 is laid on 104;Specifically, base plate protection layer is formed by pouring the thick C20 pea gravel concretens of 5cm 105.The material of waterproof slab coiled material layer 104 is reaction bonded type macromolecule wet-laying waterproof roll, is constructed using empty laid process.
Step S103, piping lane main body 106 is made on base plate protection layer 105;Piping lane main body 106 by concreting and Into the concrete for making piping lane main body 106 is not less than P6 and most flood using grade of compressive strength not less than C35, seepage-resistant grade Glue is than the water-tight concrete no more than 0.60.
Step S104, side wall waterproof roll layer 107 is laid in the side face of wall of piping lane main body 106, in piping lane main body Waterproof roofing coiled material layer 109 is laid on the outer surface of 106 top plate.Side wall waterproof roll layer 107 includes the first sublayer and second Sublayer, and the first sublayer is directly in contact with the side face of wall of piping lane main body 106, and the first sublayer material is reaction bonded Type macromolecule wet-laying waterproof roll, using wet application;Second sublayer of the side face of wall away from piping lane main body 106 Material is root resistant waterproof roll, is constructed using dry-laid method.Waterproof roofing coiled material layer 109 includes the 3rd sublayer and the 4th son Layer, and outer surface of the 3rd sublayer directly with the top plate of piping lane main body 106 is in contact, and the 3rd sublayer material is reaction bonded type Macromolecule wet-laying waterproof roll, using wet application;The material of 4th sublayer of the outer surface of the top plate away from piping lane main body 106 Matter is root resistant waterproof roll, is constructed using dry-laid method.
It should be noted that, it is necessary to which the concrete crushing strength in piping lane main body 106 reaches design pressure resistance in the step When spending, the waterproof coiled material construction of side wall and top plate can be carried out.
Step S105, benzene plate protective layer 108 is laid on side wall waterproof roll layer 107, on waterproof roofing coiled material layer 109 Lay concrete cover 110.Specifically, the benzene plate protective layer 108 of side wall is the thick benzene plates of 5cm, completely spreads benzene plate and bonding Firmly, avoid slipping during backfill;The concrete cover 110 of top plate is made up of thickness of 7cm C20 pea gravel concretens, carries out After the maintenance of concrete cover 110, face checking is avoided.
In the embodiment, the step of construction method of underground pipe gallery structure is also included being located at after step S105 S106:Blind pipe 112 is laid at foundation ditch bottom 102, water seepage hole is offered on blind pipe 112;Anti-filter is wrapped up in the outer surface of blind pipe 112 Layer.
Specifically, piping lane main body 106 side wall outside reserved groove bottom lay blind pipe 112, blind pipe 112 Double wall corrugated high-density polyethylene pipes of the caliber D for 315mm are used, and water seepage hole is dug out on blind pipe 112, outside blind pipe 112 One layer of geotextiles are wrapped up as loaded filter in surface.Length direction of the blind pipe 112 along piping lane main body 106 is laid in certain slope, when When the reserved groove of the side wall of piping lane main body 106 has ponding, ponding can be come together in staple shaft 113 by the blind pipe 112 of bottom.
In the embodiment, the step of construction method of underground pipe gallery structure is also included being located at after step S106 S107:Multiple staple shafts 113 are laid on foundation ditch bottom 102, blind pipe 112 is connected with staple shaft 113;Dewatering well 114 is made, and is made Dewatering well 114 is connected with staple shaft 113.Specifically, along the length direction of piping lane main body 106, set every 400m dark together Well 113, the concrete for making staple shaft use C30 armored concrete, and the thickness of slab of staple shaft is 20cm;The plane headroom size of staple shaft 113 1m × 1m (i.e. net long 1m, clear span 1m), clear height 70cm, the interface of blind pipe 112 and the interface of dewatering well 114 are reserved with staple shaft 113, it is blind The interface of the interface of pipe 112 and the interface of dewatering well 114 is sealed using polysulfide sealing compound, prevents seepage.Meanwhile in staple shaft Draw dewatering well 114 on 113, the same double wall corrugated high-density polyethylene pipes for using caliber D as 315mm as dewatering well 114, The delivery port of dewatering well 114 leads to road surface, and dewatering well 114 is synchronously set according to each ventilating opening, the dog-house of pipe gallery, typically In pavement or greenbelt.In addition, dewatering well 114 is fixed in piping lane supporting construction 101 using fixed steel card, avoid back Deformation failure when filling out.
In the embodiment, the step of construction method of underground pipe gallery structure is also included being located at after step S107 S108:Returned in reserved groove between the side wall of piping lane main body 106 and piping lane supporting construction 101 using graded broken stone Fill out.Specifically, graded broken stone uses the less 5mm-16mm rubbles of footpath grain, ensures that outsourcing waterproof is not broken because footpath grain is excessive It is bad, while easily compacting.Due to reserving the narrow space of groove, and coiled material destructible, so backfill uses footpath grain as 5mm-16mm Rubble, back-filling in layers is carried out, every layer of 20cm, is tamped using frog hammer, reaches design requirement compactness.
In the embodiment, the construction method of underground pipe gallery structure, in addition to the step of after the step S108 S109:After completing to backfill reserved groove, clay sealing 111 is made to complete the backfill at the top of piping lane main body 106.It is specific and Speech, clay sealing 111 are formed using high plastic clay.The concrete cover being backfilled to when graded broken stone on the top plate with piping lane During 110 upper surface flush, start to be backfilled using highly plastic clay, as water shutoff layer, reduce the infiltration of surface water, then Rolled using mechanical decking and rolling method is layered, its compactness is met design requirement, clay layer thickness is 500mm.Need to illustrate , it is necessary to determine the moisture content of high plastic clay, moisture control is in the range of optimum moisture content ± 2% before making.
In the embodiment, the construction method of underground pipe gallery structure also includes being located at the step S110 after step 109: From dewatering well 114 into staple shaft 113 tripping in suction pump 117, and using drinking-water pipe 116 by suction pump 117 and extraneous catch-basin It is connected.Specifically, after the installation of suction pump 117, when water level rises to controlling water level, suction pump 117 just opens automatically It is dynamic, water-pumping/draining to catch-basin, after completing precipitation, it is automatically stopped.Specifically, suction pump 117 is controlled by automatic precipitation system, from Dynamic precipitation system uses the automatic precipitation system of foundation ditch of comparative maturity, and controlling water level is arranged to the bottom surface mark of the bottom plate of piping lane Height, when water level is higher than controlling water level, automatic start suction pump 117, precipitation is carried out, when water level is down to the bottom of staple shaft 113, from It is dynamic to stop.The water of extraction as greening water or can be incorporated to rain pipe with reference to sponge city, reach the purpose to economize on resources.
In summary, the construction method of underground pipe gallery structure provided in an embodiment of the present invention, carried out using to infiltration The method drawn water, both solved the only technology low, that outsourcing waterproof service life is low of itself infiltration of tube corridor concrete energy and asked Topic, have again construction technology it is easy, it is reusable, reduce the advantages of later period maintenance cost, with more saving water resource, green The beneficial effect of environmental protection.
The embodiment of the present invention additionally provides a kind of underground pipe gallery structure, including piping lane main body 106;Piping lane main body 106, The outer bottom of piping lane main body 106 is from top to bottom equipped with base plate protection layer 105, waterproof slab coiled material layer 104 and concrete successively Bed course 103, waterproof slab coiled material layer 104 is between concrete cushion 103 and base plate protection layer 105,105, base plate protection layer Between the outer surface of piping lane main body 106 and waterproof slab coiled material layer 104;The side face of wall of piping lane main body 106 is by introversion Side wall waterproof roll layer 107 and benzene plate protective layer 108 are equipped with successively outside, and side wall waterproof roll layer 107 is located at benzene plate protective layer Between 108 and the side wall of piping lane main body 106;The outer surface of the top plate of piping lane main body 106 is equipped with top plate and prevented successively from inside to outside Water coiled material layer 109 and concrete cover 110, waterproof roofing coiled material layer 109 are located at concrete cover 110 and piping lane main body Between 106 top plate.
In the optional scheme of the embodiment, underground pipe gallery structure also includes piping lane supporting construction 101;Piping lane main body 106 both sides are respectively arranged with piping lane supporting construction 101.
In the optional scheme of the embodiment, underground pipe gallery structure also includes graded broken stone layer 115;Graded broken stone layer 115 between benzene plate protective layer 108 and piping lane supporting construction 101.
In the optional scheme of the embodiment, underground pipe gallery structure also includes clay sealing 111, concrete cover 110 between clay sealing 111 and waterproof roofing coiled material layer 109.
In the optional scheme of the embodiment, the bottom of graded broken stone layer 115 is provided with blind pipe 112, the outer surface of blind pipe 112 It is enclosed with loaded filter.Length direction of the blind pipe 112 along piping lane main body 106 is in setting gradient laying.
In the optional scheme of the embodiment, underground pipe gallery structure also includes multiple staple shafts 113, and multiple staple shafts 113 are equal Even interval setting;Blind pipe 112 is connected with staple shaft 113.
In the optional scheme of the embodiment, underground pipe gallery structure also includes multiple dewatering wells 114, dewatering well 114 with Staple shaft 113 is connected, and suction pump 117 is provided with dewatering well 114.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that:Its according to The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other implementations Included some features rather than further feature in example, but the combination of the feature of different embodiments means in the present invention Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed It is one of any mode to use in any combination.

Claims (10)

1. a kind of construction method of underground pipe gallery structure, it is characterised in that the construction method comprises the following steps:
Concrete cushion is laid on foundation ditch bottom;
Waterproof slab coiled material layer is laid on the concrete cushion, bottom plate is then laid on the waterproof slab coiled material layer and is protected Sheath;
Piping lane main body is made on the base plate protection layer;
Side wall waterproof roll layer is laid in the side face of wall of the piping lane main body, in the appearance of the top plate of the piping lane main body Waterproof roofing coiled material layer is laid on face;
Benzene plate protective layer is laid on the side wall waterproof roll layer, concrete protective is laid on the waterproof roofing coiled material layer Layer.
2. the construction method of underground pipe gallery structure according to claim 1, it is characterised in that described at foundation ditch bottom Before upper laying concrete cushion, the construction method also includes making piping lane supporting construction, and excavation pit.
3. the construction method of underground pipe gallery structure according to claim 1, it is characterised in that the construction method is also wrapped Include:Blind pipe is laid at the foundation ditch bottom, water seepage hole is offered on the blind pipe;Loaded filter is wrapped up in the outer surface of the blind pipe.
4. the construction method of underground pipe gallery structure according to claim 3, it is characterised in that the construction method is also wrapped Include:Multiple staple shafts are laid on the foundation ditch bottom, the blind pipe is connected with the staple shaft;Dewatering well is made, and is made described Dewatering well is connected with the staple shaft.
5. the construction method of underground pipe gallery structure according to claim 2, it is characterised in that the construction method is also wrapped Include:Returned in reserved groove between the side wall of the piping lane main body and the piping lane supporting construction using graded broken stone Fill out.
6. the construction method of underground pipe gallery structure according to claim 5, it is characterised in that complete described in backfill After reserved groove, clay sealing is made to complete the backfill at the top of the piping lane main body.
7. the construction method of underground pipe gallery structure according to claim 4, it is characterised in that the construction method is also wrapped Include:From the dewatering well into the staple shaft tripping in suction pump, and using drinking-water pipe by the suction pump and extraneous catch-basin It is connected.
8. a kind of underground pipe gallery structure, it is characterised in that including piping lane main body;The piping lane main body, the piping lane main body Outer bottom be from top to bottom equipped with base plate protection layer, waterproof slab coiled material layer and concrete cushion, the waterproof slab successively Coiled material layer is between the concrete cushion and the base plate protection layer;The side face of wall of the piping lane main body is by introversion It is outer to be equipped with side wall waterproof roll layer and benzene plate protective layer successively, the side wall waterproof roll layer be located at the benzene plate protective layer and Between the side wall of the piping lane main body;The outer surface of the top plate of the piping lane main body is equipped with waterproof roofing volume successively from inside to outside Material layer and concrete cover, the waterproof roofing coiled material layer are located at the top plate of the concrete cover and the piping lane main body Between.
9. underground pipe gallery structure according to claim 8, it is characterised in that also including piping lane supporting construction;It is described The both sides of piping lane main body are respectively arranged with the piping lane supporting construction.
10. underground pipe gallery structure according to claim 9, it is characterised in that also including graded broken stone layer;The level With metalling between the benzene plate protective layer and the piping lane supporting construction.
CN201710871291.5A 2017-09-22 2017-09-22 Underground pipe gallery structure and its construction method Pending CN107386326A (en)

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CN108301440A (en) * 2018-03-29 2018-07-20 沈阳建筑大学 With waterproof, the underground pipe gallery construction method of drain function
CN108755724A (en) * 2018-06-15 2018-11-06 上海二十冶建设有限公司 The external water drainage waterproof method of pipe gallery
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CN109183839A (en) * 2018-09-29 2019-01-11 中国二十冶集团有限公司 A kind of pipe gallery Waterproof Construction Technique
CN111733876A (en) * 2020-06-30 2020-10-02 浙江荣盛建设发展有限公司 Basement waterproof construction method and device
CN112878347A (en) * 2021-01-21 2021-06-01 中铁七局集团第三工程有限公司 Underground water limiting and discharging device

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