CN116025073A - Waterproof device for building separation structure seam of high-speed rail station building bridge and construction method - Google Patents
Waterproof device for building separation structure seam of high-speed rail station building bridge and construction method Download PDFInfo
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- CN116025073A CN116025073A CN202211383258.5A CN202211383258A CN116025073A CN 116025073 A CN116025073 A CN 116025073A CN 202211383258 A CN202211383258 A CN 202211383258A CN 116025073 A CN116025073 A CN 116025073A
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Abstract
The invention aims to solve the technical problems of providing a waterproof device for a building bridge construction separation structural joint of a high-speed rail station and a construction method, which overcome the problem that the anti-seepage effect is difficult due to large structural joint gap, large span and large height, improve the installation speed and waterproof effect of the structural joint and effectively reduce the maintenance cost in the later period of engineering, and comprise a water receiving tank and a rock wool layer which are arranged in the separation structural joint, wherein the water receiving tank is formed by splicing a plurality of water receiving tank sections from front to back, and the bottom of at least one water receiving tank is provided with a water falling port; each water receiving tank section is formed by bending metal sheets, a first L-shaped supporting frame is arranged at the bottom of each water receiving tank section and is fixed on the side wall of a station building structural beam, and the left side and the right side of each water receiving tank section are respectively fixed on the station building structural beam and the bridge structural beam; the open side wall of the water receiving tank is provided with a plurality of second L-shaped supporting frames, and the second L-shaped supporting frames are provided with perforated profiled steel sheets for fixing the rock wool layers.
Description
Technical Field
The invention relates to the technical field of structural engineering, in particular to the field of construction of high-speed railway station houses, and particularly relates to a waterproof device for a bridge construction separation structural joint of a high-speed railway station house and a construction method.
Background
Along with the span increase of high-speed railway station house structure, the setting of deformation expansion joint becomes especially important. For the bridge construction separated station building, the positive bridge is of a simply supported beam structure, the station building is of a large-span reinforced concrete structure, a structural joint gap between the bridge construction and the station building is 25cm wide, the span is 27m large, the height is 0.5m high, the influence of the dynamic load of the train of the positive bridge is large, and the hidden danger of water seepage and water leakage is large, so that the waterproof treatment difficulty is large. The waterproof treatment of traditional structural joint adopts upper portion to add the flexible apron of aluminum alloy, and the mode of lower pad waterstop, like patent application document of bulletin number CN107558502A discloses a waterstop and movement joint waterproof construction, and this kind of treatment method only can satisfy the less position of water yield, because bridge is built the separation structure gap width, and the positive train through-speed is fast, train dynamic load influence is big, and the time is long leads to the waterstop fracture, appears leaking the phenomenon, and this kind of mode hardly reaches the waterproof seepage requirement of separation structure joint is built to high-speed railway station room bridge.
Disclosure of Invention
The invention aims to solve the technical problem of providing a waterproof device for a building bridge construction separation structural joint of a high-speed rail station and a construction method, which overcome the problem that the waterproof device is difficult to prevent seepage caused by large structural joint joints, large span and large height, improve the installation speed and waterproof effect of the structural joint and effectively reduce the later maintenance cost of engineering.
The invention is realized by the following technical scheme:
the waterproof device for the bridge construction separation structure seam of the high-speed rail station room comprises water receiving tanks and rock wool layers, wherein the water receiving tanks are arranged in the separation structure seam and are formed by splicing a plurality of water receiving tank sections back and forth, and the bottom of at least one water receiving tank is provided with a water falling port;
each water receiving tank section is formed by bending metal sheets, a first L-shaped supporting frame is arranged at the bottom of each water receiving tank section and is fixed on the side wall of a station building structural beam, and the left side and the right side of each water receiving tank section are respectively fixed on the station building structural beam and the bridge structural beam;
the open side wall of the water receiving tank is provided with a plurality of second L-shaped supporting frames, and the second L-shaped supporting frames are provided with perforated profiled steel sheets for fixing the rock wool layers.
Further, the left side and the right side of the water receiving tank node are respectively fixed on the station building structural beam and the bridge structural beam through cement shooting nails, and the fixing positions of the cement shooting nails are sealed by waterproof rubber mats and silicone weather-proof sealant.
Furthermore, the length of the water receiving groove is 3m, the width of the water receiving groove is 250mm, the height of the water receiving groove is 200mm, and adjacent water receiving groove sections are overlapped and spliced and sealed by sealant.
Furthermore, the water receiving tank section is formed by bending an aluminum plate.
A construction method of a seam waterproof device of a building bridge construction separation structure of a high-speed rail station comprises the following steps:
s1, preparing a plurality of water receiving tank sections, wherein a detachable hanging piece is arranged on the left side of each water receiving tank section, the hanging piece is fixed on the side wall of a station building structural beam through cement shooting nails, and a waterproof rubber pad and a silicone weather-proof sealant are adopted for sealing treatment at the fixed position to prevent water leakage;
s2, preparing a plurality of rock wool layers, placing the rock wool layers in separation structural joints, and fixing the bottom of the rock wool layers by using perforated profiled steel sheets;
s3, fixing a second L-shaped support frame on the right side wall of the opening of the water receiving groove to form a whole, then connecting the outer wall of the left side of the water receiving groove to a hanging piece in a matched mode, enabling the second L-shaped support frame to support the perforated profiled steel sheet, and finally directly fixing the right side of the water receiving groove on a bridge structure by adopting cement shooting nails;
s4, in the construction process, a plurality of water receiving groove sections are spliced into an integral water receiving groove, and two adjacent water receiving groove sections are spliced in an overlapping manner and seal gaps are sealed by sealant; the bottom of at least one water receiving tank is provided with a water falling port which is communicated with a drainage pipeline of the bridge structure through a pipeline;
s5, a first L-shaped supporting frame is arranged at the bottom of the water receiving tank joint, the first L-shaped supporting frame is fixed on the side wall of the station building structural beam, and the water receiving tank joint is supported by the first L-shaped supporting frame.
Compared with the prior art, the invention has the following beneficial effects:
1. the water receiving tank is formed by splicing a plurality of water receiving tank sections back and forth, each water receiving tank section is formed by bending metal sheets, the left side and the right side of each water receiving tank section are respectively fixed on a station building structural beam and a bridge structural beam and are positioned in structural joints, when the structural joints are changed due to high passing speed of a straight train and large influence of train dynamic load, as the water receiving tank is made of metal materials, cracks are not generated, and if rainwater enters the water receiving tank, the rainwater can be discharged in a directional manner through a water falling opening;
the rock wool layer is arranged in the gap of the separation structure, so that good temperature and fire prevention effects can be achieved, and the safety performance is improved; the first L-shaped supporting frame supports the water receiving tank node, so that the firmness of the water receiving tank is further improved;
2. the construction method is convenient and quick, can be operated in a narrow structural seam, ensures that the water receiving tank is firmly installed, and achieves the technical standard of waterproof leakage.
Drawings
FIG. 1 is a schematic diagram of a separation structural joint waterproof device according to the present invention;
FIG. 2 is a schematic view of the installation of a water receiving tank with a water outlet according to the present invention;
FIG. 3 is a top view of FIG. 2;
in the figure: 1. the water receiving tank is characterized by comprising a water receiving tank section 2, a rock wool layer 3, cement shooting nails 4, a first L-shaped supporting frame 5, a second L-shaped supporting frame 6, a perforated profiled steel sheet 7, a water falling port 8, a station building structural beam 9 and a bridge structural beam.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings of the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.
In the description of the invention, it should be understood that the terms "front," "rear," "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. The invention will be further described with reference to the drawings and examples.
As shown in fig. 1-3, the span of the high-speed rail station building structure is increased, for the bridge construction separation type station building, the positive bridge is a simply supported beam structure, the station building structure is a large-span reinforced concrete structure, the gap of the separation structure between the bridge construction and the station building structure is 25cm wide, the span is 27m large, the height is 0.5m high, the dynamic load influence of the positive bridge train is large, and the hidden danger of water seepage and water leakage is large, so that the waterproof treatment difficulty is large. In order to solve the problem, the embodiment discloses a separation structural joint watertight fittings is built to high-speed railway station room bridge, and it mainly includes water receiving tank and rock wool layer 2, and the water receiving tank is spliced from beginning to end by a plurality of water receiving tank festival 1 and forms, and every water receiving tank festival 1 is bent by galvanized aluminum plate and is formed, and water receiving tank festival 1 can rust-resistant just has good ductility like this, can not produce the crackle under the vibration, overlaps the concatenation and with the shutoff of sealant between the adjacent water receiving tank festival 1. The whole water receiving tank is of a tank structure, the width of the whole water receiving tank is controlled to be 250mm, and the height of the whole water receiving tank is controlled to be 200mm, so that the water receiving tank section 1 is designed to be 3m in length, 250mm in width and 200mm in height, and the water receiving tank section 1 is convenient to transport. In addition, in order to facilitate drainage, the length of a certain number of water-saving tank sections is adjusted to be 1m, and a water outlet 7 is processed at the bottom of the water receiving tank section 1.
The water receiving tank section 1 is arranged at the lower part in the separation structure seam, the left side and the right side of the water receiving tank section 1 are respectively fixed on the station building structural beam 8 and the bridge structural beam 9 through cement shooting nails 3, and the fixing positions of the cement shooting nails 3 are sealed by adopting waterproof rubber mats and silicone weather-proof sealant. In order to improve the firmness, the bottom of each water receiving tank section 1 is matched with a first L-shaped supporting frame 4 for supporting, and the first L-shaped supporting frame 4 is manufactured by adopting L50 x 5 galvanized angle steel.
The uppermost part of the separation structural seam is treated by adopting a rock wool layer 2, and three rock wool layers 2 can be adopted in order to ensure that the whole structural seam is filled. The bottom of the rock wool layer 2 is fixed by adopting a perforated profiled steel sheet 6 with the thickness of 0.8mm and double-sided aluminum and zinc plating, and a plurality of perforations are distributed on the plate body of the perforated profiled steel sheet 6, so that water can conveniently pass through the plate body. A plurality of second L-shaped supporting frames 5 are fixed on the side wall of the opening of the water receiving tank through bolt assemblies, the second L-shaped supporting frames 5 are manufactured by adopting L30 x 4 galvanized angle steel, and the second L-shaped supporting frames 5 are used for supporting perforated profiled steel sheets 6.
The embodiment also discloses a construction method of the high-speed railway station building bridge construction separation structural joint waterproof device, which comprises the following steps:
s1, preparing a plurality of water receiving tank sections 1, wherein a detachable hanging piece is arranged on the left side of each water receiving tank section 1, in the later step, the left side wall of each water receiving tank section 1 can be directly buckled on the hanging piece to realize connection, the hanging piece is firstly fixed on the side wall of a station building structural beam through cement shooting nails 3, and a waterproof rubber pad and a silicone weather-proof sealant are adopted for sealing treatment at the fixing position to prevent water leakage;
s2, preparing a plurality of rock wool layers 2, wherein the rock wool layers 2 are provided with three layers of fireproof rock wool, placing the rock wool layers 2 in a separation structure seam, and fixing the bottom of the rock wool layers 2 by using a perforated profiled steel sheet 6;
s3, fixing a second L-shaped support frame 5 on the right side wall of the opening inside the water receiving tank section 1 to form a whole, then connecting the outer wall of the left side of the water receiving tank section 1 to a hanging piece in a matched manner, enabling the second L-shaped support frame 5 to hold up a perforated profiled steel sheet 6, and finally directly fixing the right side of the water receiving tank section 1 on a bridge structure by adopting a cement shooting nail 3;
s4, in the construction process, a plurality of water receiving tank sections 1 are spliced into an integral water receiving tank, and two adjacent water receiving tank sections 1 are spliced in an overlapping manner and seal gaps are sealed by sealant; the bottom of at least one water receiving tank section 1 is provided with a water falling port which is communicated with a drainage pipeline of the bridge structure through a pipeline;
s5, a first L-shaped supporting frame 4 is arranged at the bottom of the water receiving tank section 1, the first L-shaped supporting frame 4 is fixed on the side wall of the station building structural beam, the water receiving tank section 1 is supported by the first L-shaped supporting frame 4, the double-insurance fixing effect is achieved, and the whole structure is firmer and more reliable.
If rainwater exists, the rainwater penetrates through the rock wool layer, passes through the perforated profiled steel sheet and then enters the water receiving tank, and then is discharged through the water falling port. The invention is safe, firm and reliable, has light material and high installation speed, overcomes the defects of limited use of installation space and poor safety and stability of the traditional structure, improves the waterproof effect of structural joints, accelerates the installation speed and effectively reduces the later maintenance cost of engineering.
Claims (5)
1. The waterproof device for the bridge construction separation structure seam of the high-speed rail station room is characterized by comprising water receiving tanks and rock wool layers which are arranged in the separation structure seam, wherein the water receiving tanks are formed by splicing a plurality of water receiving tank sections back and forth, and the bottom of at least one water receiving tank is provided with a water falling port;
each water receiving tank section is formed by bending metal sheets, a first L-shaped supporting frame is arranged at the bottom of each water receiving tank section and is fixed on the side wall of a station building structural beam, and the left side and the right side of each water receiving tank section are respectively fixed on the station building structural beam and the bridge structural beam;
the open side wall of the water receiving tank is provided with a plurality of second L-shaped supporting frames, and the second L-shaped supporting frames are provided with perforated profiled steel sheets for fixing the rock wool layers.
2. The high-speed rail station building bridge construction separation structural joint waterproof device according to claim 1, wherein,
the left side and the right side of the water receiving tank node are respectively fixed on the station building structural beam and the bridge structural beam through cement shooting nails, and the fixing positions of the cement shooting nails are sealed by waterproof rubber mats and silicone weather-proof sealant.
3. The waterproof device for the bridge construction separation structure seam of the high-speed rail station building according to claim 1, wherein the water receiving tank sections are 3m in length, 250mm in width and 200mm in height, and adjacent water receiving tank sections are spliced in an overlapping mode and are plugged by sealant.
4. The waterproof device for the building bridge construction separation structure seam of the high-speed rail station according to any one of claims 1 to 3, wherein the water receiving tank is formed by bending an aluminum plate.
5. The construction method of the seam waterproof device of the building bridge construction separation structure of the high-speed rail station is characterized by comprising the following steps of:
s1, preparing a plurality of water receiving tank sections, wherein a detachable hanging piece is arranged on the left side of each water receiving tank section, the hanging piece is fixed on the side wall of a station building structural beam through cement shooting nails, and a waterproof rubber pad and a silicone weather-proof sealant are adopted for sealing treatment at the fixed position to prevent water leakage;
s2, preparing a plurality of rock wool layers, placing the rock wool layers in separation structural joints, and fixing the bottom of the rock wool layers by using perforated profiled steel sheets;
s3, fixing a second L-shaped support frame on the right side wall of the opening of the water receiving groove to form a whole, then connecting the outer wall of the left side of the water receiving groove to a hanging piece in a matched mode, enabling the second L-shaped support frame to support the perforated profiled steel sheet, and finally directly fixing the right side of the water receiving groove on a bridge structure by adopting cement shooting nails;
s4, in the construction process, a plurality of water receiving groove sections are spliced into an integral water receiving groove, and two adjacent water receiving groove sections are spliced in an overlapping manner and seal gaps are sealed by sealant; the bottom of at least one water receiving tank is provided with a water falling port which is communicated with a drainage pipeline of the bridge structure through a pipeline;
s5, a first L-shaped supporting frame is arranged at the bottom of the water receiving tank joint, the first L-shaped supporting frame is fixed on the side wall of the station building structural beam, and the water receiving tank joint is supported by the first L-shaped supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211383258.5A CN116025073A (en) | 2022-11-07 | 2022-11-07 | Waterproof device for building separation structure seam of high-speed rail station building bridge and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211383258.5A CN116025073A (en) | 2022-11-07 | 2022-11-07 | Waterproof device for building separation structure seam of high-speed rail station building bridge and construction method |
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| CN116025073A true CN116025073A (en) | 2023-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117368102A (en) * | 2023-08-28 | 2024-01-09 | 中国铁路广州局集团有限公司 | Bridge crack measuring device for bridge engineering and application method thereof |
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- 2022-11-07 CN CN202211383258.5A patent/CN116025073A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117368102A (en) * | 2023-08-28 | 2024-01-09 | 中国铁路广州局集团有限公司 | Bridge crack measuring device for bridge engineering and application method thereof |
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