CN203583527U - Waterproof structure for ground net outlet line of peat soft soil stratum subway station - Google Patents

Waterproof structure for ground net outlet line of peat soft soil stratum subway station Download PDF

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Publication number
CN203583527U
CN203583527U CN201320766029.1U CN201320766029U CN203583527U CN 203583527 U CN203583527 U CN 203583527U CN 201320766029 U CN201320766029 U CN 201320766029U CN 203583527 U CN203583527 U CN 203583527U
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China
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subway station
steel pipe
out wire
soft soil
grounded screen
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CN201320766029.1U
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Chinese (zh)
Inventor
魏辉
李斌川
张永民
姚志义
李武祥
白杰
王晋国
薛小燕
杨军峰
杨延岗
刘广庆
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Fifth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
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Fifth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
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Abstract

The utility model discloses a waterproof structure for a ground net outlet line of a peat soft soil stratum subway station. The waterproof structure comprises a steel tube pre-buried in a bottom plate of the constructed subway station and sleeved outside the ground net outlet line, wherein the steel tube is distributed in the vertical direction; a waterstop ring is fixedly sleeved on the outer side of the steel tube and distributed in the horizontal direction; the bottom plate is of a reinforced concrete structure formed by casting waterproof concretes; the steel tube and the waterstop ring are cast in the bottom plate; multiple fixed rings are sleeved on the outer side of the ground net outlet line from top to bottom; the outer diameter of the fixed rings is smaller than the inner diameter of the steel tube; a cavity between the steel tube and the ground net outlet line is filled with silicon rubber particles; a space between the bottom end of the steel tube and the bottom plate is sealed by virtue of a water-soluble expanding waterstop strip; the water-soluble expanding waterstop strip is distributed on the outer side wall of the bottom end of the steel tube along the circumferential direction. The waterproof structure disclosed by the utility model is simple in structure, reasonable in design, convenient in to construction, good in waterproof effect, and capable of ensuring the waterproof quality of the part, at which the ground net outlet line is distributed, of the peat soft soil stratum subway station.

Description

Peat matter soft soil layer subway station grounded screen lead-out wire water proof structure
Technical field
The utility model belongs to waterproof construction technology field, subway station, especially relates to a kind of peat matter soft soil layer subway station grounded screen lead-out wire water proof structure.
Background technology
According to < < Code for investigation of geotechnical engineering > >, Kunming Areas peat class soil mainly contains peat soil and peat two classes, peat, cumulosol organic content reach 10-60%, severe 10-14KN/m3 is the important soil layer that Kunming Areas extensively distributes.The building in a lot of peat soils area, urban operating mechanism, road, underground construction etc. all occur even destroying moderate finite deformation and differential settlement and unstability, and many engineering accidents occur.The features such as Kunming Areas peat matter soft soil layer has that compressibilty is high, void ratio is large, water content is high, highly sensitive, low bearing capacity, engineering properties is poor, easily causes the excessive or differential settlement of sedimentation.In recent years, the engineering properties of relevant cumulosol and engineering Application Research have obtained certain breakthrough, there is very important theory significance and engineering using value, but subway station is passed through the peat matter soft clay area of high-load completely and is still had certain construction technology difficult problem.Structurally waterproof is one critical process of subway engineering, in work progress, must cause enough attention, and take advanced person, reliable construction method and technical measures, with the waterproof effect having reached, especially in peat matter soft clay area, Kunming Dianchi lake basin, build fast in the process of subway open cut deep big foundation pit station, because station grounded screen is provided with ground outlet, and the waterproofing course of this grounded screen lead-out wire through-body structure base slab and plate outer side, this position is waterproof weak link, during construction, must take practical measure to prevent seepage, but due to the waterproof construction of peat matter soft soil layer subway station grounded screen lead-out wire do not have can be for reference construction experience, thereby bring a difficult problem to the waterproof construction of building city underground.Therefore, nowadays the peat matter soft soil layer subway station grounded screen lead-out wire water proof structure that lacks a kind of simple in structure, reasonable in design and easy construction, good water-proof effect, can effectively guarantee the waterproof quality at grounded screen lead-out wire institute installation position place, peat matter soft soil layer subway station.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of peat matter soft soil layer subway station grounded screen lead-out wire water proof structure is provided, its simple in structure, reasonable in design and easy construction, good water-proof effect, can effectively guarantee the waterproof quality at grounded screen lead-out wire institute installation position place, peat matter soft soil layer subway station.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of peat matter soft soil layer subway station grounded screen lead-out wire water proof structure, it is characterized in that: comprise the steel pipe that is embedded in the base plate of constructed subway station and is sleeved on grounded screen lead-out wire outside, described steel pipe is vertically to laying; Outside described steel pipe, fixed cover is equipped with a seal ring, and described seal ring is level to laying; Described base plate is for to build by waterproof concrete the reinforced concrete structure forming, and described steel pipe and seal ring are all built in base plate; Described grounded screen lead-out wire outside is set with a plurality of retainer rings from top to bottom, and the structure of a plurality of described retainer rings and size are all identical; The external diameter of described retainer ring is less than the internal diameter of steel pipe; Cavity between described steel pipe and grounded screen lead-out wire is filled by silicone rubber particles, between described steel pipe bottom and base plate, by water-swellable sealing rod, seals, and described water-swellable sealing rod is along the circumferential direction laid on the bottom lateral wall of steel pipe.
Above-mentioned peat matter soft soil layer subway station grounded screen lead-out wire water proof structure, is characterized in that: described retainer ring is level has a layer insulating to laying and its arranged outside.
Above-mentioned peat matter soft soil layer subway station grounded screen lead-out wire water proof structure, is characterized in that: the distance between described seal ring and base plate bottom surface is
Figure BDA0000424510930000021
the thickness that in formula, D is base plate, d=30mm~70mm.
Above-mentioned peat matter soft soil layer subway station grounded screen lead-out wire water proof structure, it is characterized in that: in a plurality of described retainer rings, being positioned at the retainer ring of below is bottom retainer ring, the bottom inside of described steel pipe is provided with a plurality ofly carries out spacing fixed block to described bottom retainer ring.
Above-mentioned peat matter soft soil layer subway station grounded screen lead-out wire water proof structure, is characterized in that: described retainer ring is annular nylon sheet.
Above-mentioned peat matter soft soil layer subway station grounded screen lead-out wire water proof structure, is characterized in that: described seal ring is the annular steel plate that is weldingly fixed on steel pipe outside.
Above-mentioned peat matter soft soil layer subway station grounded screen lead-out wire water proof structure, is characterized in that: the thickness of described retainer ring is 20mm ± 5mm, the thickness of described seal ring is 10mm ± 2mm.
Above-mentioned peat matter soft soil layer subway station grounded screen lead-out wire water proof structure, it is characterized in that: the caliber of described steel pipe is that Φ 100mm ± 5mm and its wall thickness are 4mm ± 1mm, the external diameter of described seal ring is Φ 292mm ± 10mm, and the external diameter of described retainer ring is Φ 96mm ± 3mm.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and construction sequence is simple, easy construction, input cost is lower.
2, good water-proof effect and practical value are high, can carry out waterproofing work to this weak area, grounded screen lead-out wire institute installation position place in the agent structure of subway station, can effectively guarantee the waterproof quality at grounded screen lead-out wire institute installation position place, peat matter soft soil layer subway station, and it is convenient to realize, in the application life that can effectively extend peat matter soft soil layer subway station, significantly reduce the maintenance cost of subway station.
In sum, simple in structure, the reasonable in design and easy construction of the utility model, good water-proof effect, can effectively guarantee the waterproof quality at grounded screen lead-out wire institute installation position place, peat matter soft soil layer subway station.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the local enlarged diagram at A place in Fig. 1.
Description of reference numerals:
1-base plate; 2-steel pipe; 3-grounded screen lead-out wire;
4-seal ring; 5-retainer ring; 6-water-swellable sealing rod;
7-fixed block; 9-concrete cushion; 10-coil waterproof layer.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model comprises in the base plate 1 that is embedded in constructed subway station and is sleeved on the steel pipe 2 in grounded screen lead-out wire 3 outsides, and described steel pipe 2 is vertically to laying; Described steel pipe 2 outside fixed covers are equipped with a seal ring 4, and described seal ring 4 is level to laying.Described base plate 1 is for to build by waterproof concrete the reinforced concrete structure forming, and described steel pipe 2 and seal ring 4 are all built in base plate 1; Described grounded screen lead-out wire 3 outsides are set with a plurality of retainer rings 5 from top to bottom, and the structure of a plurality of described retainer rings 5 and size are all identical.The external diameter of described retainer ring 5 is less than the internal diameter of steel pipe 2; Cavity between described steel pipe 2 and grounded screen lead-out wire 3 is filled by silicone rubber particles, between described steel pipe 2 bottoms and base plate 1, by water-swellable sealing rod 6, seal, described water-swellable sealing rod 6 is along the circumferential direction laid on the bottom lateral wall of steel pipe 2.
In the present embodiment, in a plurality of described retainer rings 5, being positioned at the retainer ring 5 of below is bottom retainer ring, and the bottom inside of described steel pipe 2 is provided with a plurality ofly carries out spacing fixed block 7 to described bottom retainer ring.
During practice of construction, described retainer ring 5 is level has a layer insulating to laying and its arranged outside.
In the present embodiment, described retainer ring 5 is annular nylon sheet.
In the present embodiment, described seal ring 4 is for being weldingly fixed on the annular steel plate in steel pipe 2 outsides.
Distance between described seal ring 4 and base plate 1 bottom surface is
Figure BDA0000424510930000041
in formula, D is the thickness of base plate 1, d=30mm~70mm.In the present embodiment, d=50mm.During practice of construction, can according to specific needs, the value size of d be adjusted accordingly.
The thickness of described retainer ring 5 is 20mm ± 5mm, and the thickness of described seal ring 4 is 10mm ± 2mm.In the present embodiment, the thickness of described retainer ring 5 is 20mm, and the thickness of described seal ring 4 is 10mm.Actually add man-hour, can to the thickness of retainer ring 5 and seal ring 4, adjust accordingly according to specific needs.
During practice of construction, the caliber of described steel pipe 2 is that Φ 100mm ± 5mm and its wall thickness are 4mm ± 1mm, and the external diameter of described seal ring 4 is Φ 292mm ± 10mm, and the external diameter of described retainer ring 5 is Φ 96mm ± 3mm.In the present embodiment, the caliber of described steel pipe 2 is that Φ 100mm and its wall thickness are 4mm, and the external diameter of described seal ring 4 is Φ 292mm, and the external diameter of described retainer ring 5 is Φ 96mm.
In the present embodiment, described base plate 1 below is covered with one deck concrete cushion 9, between described base plate 1 and concrete cushion 9, is covered with one deck coil waterproof layer 10.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.

Claims (8)

1. a peat matter soft soil layer subway station grounded screen lead-out wire water proof structure, it is characterized in that: comprise the steel pipe (2) that is embedded in the base plate (1) of constructed subway station and is sleeved on grounded screen lead-out wire (3) outside, described steel pipe (2) is vertically to laying; Described steel pipe (2) outside fixed cover is equipped with a seal ring (4), and described seal ring (4) is level to laying; Described base plate (1) is for to build by waterproof concrete the reinforced concrete structure forming, and described steel pipe (2) and seal ring (4) are all built in base plate (1); Described grounded screen lead-out wire (3) outside is set with a plurality of retainer rings (5) from top to bottom, and structure and the size of a plurality of described retainer rings (5) are all identical; The external diameter of described retainer ring (5) is less than the internal diameter of steel pipe (2); Cavity between described steel pipe (2) and grounded screen lead-out wire (3) is filled by silicone rubber particles, between described steel pipe (2) bottom and base plate (1), by water-swellable sealing rod (6), seal, described water-swellable sealing rod (6) is along the circumferential direction laid on the bottom lateral wall of steel pipe (2).
2. according to peat matter soft soil layer claimed in claim 1 subway station grounded screen lead-out wire water proof structure, it is characterized in that: described retainer ring (5) is level has a layer insulating to laying and its arranged outside.
3. according to the peat matter soft soil layer subway station grounded screen lead-out wire water proof structure described in claim 1 or 2, it is characterized in that: the distance between described seal ring (4) and base plate (1) bottom surface is
Figure FDA0000424510920000011
in formula, D is the thickness of base plate (1), d=30mm~70mm.
4. according to the peat matter soft soil layer subway station grounded screen lead-out wire water proof structure described in claim 1 or 2, it is characterized in that: in a plurality of described retainer rings (5), being positioned at the retainer ring (5) of below is bottom retainer ring, the bottom inside of described steel pipe (2) is provided with a plurality ofly carries out spacing fixed block (7) to described bottom retainer ring.
5. according to the peat matter soft soil layer subway station grounded screen lead-out wire water proof structure described in claim 1 or 2, it is characterized in that: described retainer ring (5) is annular nylon sheet.
6. according to the peat matter soft soil layer subway station grounded screen lead-out wire water proof structure described in claim 1 or 2, it is characterized in that: described seal ring (4) is for being weldingly fixed on the annular steel plate outside steel pipe (2).
7. according to the peat matter soft soil layer subway station grounded screen lead-out wire water proof structure described in claim 1 or 2, it is characterized in that: the thickness of described retainer ring (5) is 20mm ± 5mm, the thickness of described seal ring (4) is 10mm ± 2mm.
8. according to the peat matter soft soil layer subway station grounded screen lead-out wire water proof structure described in claim 1 or 2, it is characterized in that: the caliber of described steel pipe (2) is that Φ 100mm ± 5mm and its wall thickness are 4mm ± 1mm, the external diameter of described seal ring (4) is Φ 292mm ± 10mm, and the external diameter of described retainer ring (5) is Φ 96mm ± 3mm.
CN201320766029.1U 2013-11-28 2013-11-28 Waterproof structure for ground net outlet line of peat soft soil stratum subway station Expired - Fee Related CN203583527U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111446660A (en) * 2020-03-27 2020-07-24 上海宝冶集团有限公司 Construction method for comprehensive grounding outgoing line of power grid of substation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111446660A (en) * 2020-03-27 2020-07-24 上海宝冶集团有限公司 Construction method for comprehensive grounding outgoing line of power grid of substation

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Granted publication date: 20140507

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