CN210315588U - Foundation ditch supports stagnant water sleeve and foundation ditch stagnant water structure of steel lattice column - Google Patents
Foundation ditch supports stagnant water sleeve and foundation ditch stagnant water structure of steel lattice column Download PDFInfo
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- CN210315588U CN210315588U CN201921201766.0U CN201921201766U CN210315588U CN 210315588 U CN210315588 U CN 210315588U CN 201921201766 U CN201921201766 U CN 201921201766U CN 210315588 U CN210315588 U CN 210315588U
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- water stop
- water stopping
- lattice column
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Abstract
The utility model provides a stagnant water sleeve and foundation ditch stagnant water structure of excavation supporting steel lattice column. The utility model discloses a: the water stopping sleeve body and the water stopping ring fixedly connected to the outer side of the water stopping sleeve body are provided with enlarged portions with diameters, the water stopping ring comprises a first water stopping ring arranged below the enlarged portions, a second water stopping ring arranged at the middle of the water stopping sleeve body and a third water stopping ring arranged at the bottom of the water stopping sleeve body, and water stopping rubber strips are arranged on the upper side and the lower side of each water stopping ring. The utility model discloses according to the actual construction condition of lattice column and bottom plate, add stagnant water sleeve and stagnant water structure in the lattice column outside, steel sleeve inside and outside all sets up stagnant water ring, slow inflation stagnant water adhesive tape, forms double-deck stagnant water measure with steel sleeve and peripheral concrete, can prevent effectively that groundwater from passing through the infiltration of lattice column position indoor. The utility model discloses reserved the settlement space in the sleeve position, the seepage problem that produces when can effectively solving two kinds of basis uneven settlement.
Description
Technical Field
The utility model relates to a foundation ditch engineering technical field especially relates to a retaining sleeve and foundation ditch stagnant water structure of excavation supporting steel lattice column.
Background
Most lattice column foundations are pile foundations, and the general ordinary basement bottom plate is reinforced concrete raft board foundations, and the way of water stop is reserved to traditional lattice column, when meetting two kinds of foundations and producing slight settlement difference, forms the seepage point easily, leads to basement bottom plate to leak. The patent only provides a method for stopping water of the lattice column per se, and the method is that a water-stopping steel plate is added at the position of the lattice column, and the method has more hidden waterproof troubles, and the leakage is easy to occur when the underground water pressure is higher and the foundation is not uniformly settled.
SUMMERY OF THE UTILITY MODEL
According to the technical problem, the water stopping sleeve and the water stopping structure of the foundation pit supporting steel lattice column are provided. The utility model discloses a technical means as follows:
a water stop sleeve for a foundation pit support steel lattice column comprises: the water stopping sleeve comprises a water stopping sleeve body and a water stopping ring fixedly connected to the outer side of the water stopping sleeve body, wherein the diameter of the water stopping sleeve body is D1The upper end of the water stop sleeve body is also provided with a diameter D2Enlarged portion of (2), i.e. D2＞D1The water stop ring comprises a first water stop ring arranged below the expansion part, a second water stop ring arranged in the middle of the water stop sleeve body and a third water stop ring arranged at the bottom of the water stop sleeve body, and water stop rubber strips are arranged on the upper side and the lower side of each water stop ring.
Further, the diameter D of the water-stop sleeve body1The thickness of the wall of the water stopping sleeve is not less than 1000mm, the distance between the inner wall and the lattice column is 100-200 mm, and the thickness of the wall of the water stopping sleeve is not less than 10 mm.
Further, the water stop ring is of a steel plate structure, and the length of the middle and lower water stop rings is 120-180 mm.
Furthermore, the water-stop adhesive tape adopts a water-swelling sealant (water-stop adhesive) or a sealant.
The utility model also discloses an use telescopic foundation ditch stagnant water structure ends water, including setting up the lattice post on the concrete cushion and setting up on the waterproof layer end water sleeve, end water sleeve cup joints in the lattice post outside, the telescopic outside of ending water is the concrete bottom plate, and the concrete has all been pour in the telescopic inside and outside of ending water.
Furthermore, the height of the concrete poured on the inner side of the water stopping sleeve is different from that of the concrete poured on the outer side of the water stopping sleeve, a preset distance exists between the top end of the lattice column and the top end of the water stopping sleeve body, a space where the preset distance is located is filled with waterproof sealing paste, and a sealing steel plate fixed on the expansion part is arranged at the top end of the waterproof sealing paste.
Furthermore, an anti-cracking reinforcing mesh fixed on the expansion part is arranged above the sealing steel plate, retarded structure steel adhesive is further coated on the surface of the steel member, and concrete is filled in the gap of the expansion part.
The utility model has the advantages of it is following:
the utility model discloses according to the actual construction condition of lattice column and bottom plate, add stagnant water sleeve and stagnant water structure in the lattice column outside, steel sleeve inside and outside all sets up stagnant water ring, slow inflation stagnant water adhesive tape, forms double-deck stagnant water measure with steel sleeve and peripheral concrete, can prevent effectively that groundwater from passing through the infiltration of lattice column position indoor. The utility model discloses reserved the settlement space in the sleeve position, the seepage problem that produces when can effectively solving two kinds of basis uneven settlement.
Based on the reason above-mentioned the utility model discloses can extensively promote in foundation ditch engineering technical field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is the utility model relates to a concrete structure schematic diagram of a water stop sleeve of excavation supporting steel lattice column.
Fig. 2 is the concrete structure schematic diagram of the water stop structure of the present invention.
In the figure: 1. a water stop sleeve body; 2. an enlarging portion; 3. a first water stop ring; 4. a second water stop ring; 5. a third water stop ring; 6. a water stopping rubber strip; 7. a concrete cushion; 8. a lattice column; 9. a waterproof layer; 10. sealing paste; 11. a concrete floor; 12. a lattice column cut-out position; 13. waterproof sealing paste; 14. a circular steel plate; 15. an anti-cracking reinforcing mesh.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
When large-scale foundation pit engineering is constructed, the supporting form of the inner support is adopted, so that the foundation pit is safe and reliable, but because the span of the foundation pit is large, a steel lattice column needs to be arranged at the proper position of the inner support, the span of the supporting beam is reduced, and the safety and the stability of the supporting beam are improved. The utility model discloses the hidden danger of leaking of steel lattice column in basement bottom plate position is anticipated to solve. As shown in fig. 1, the utility model provides a stagnant water sleeve of excavation supporting steel lattice column 8, include: the water stopping sleeve comprises a water stopping sleeve body 1 and a water stopping ring fixedly connected to the outer side of the water stopping sleeve body 1, wherein the diameter of the water stopping sleeve body 1 is D1The upper end of the water stop sleeve body 1 is also provided with a diameter D2Enlarged portion 2 of (2), i.e. D2＞D1The water stop ring comprises a first water stop ring 3 arranged below the enlarged part 2, a second water stop ring 4 arranged in the middle of the water stop sleeve body 1 and a third water stop ring 5 arranged at the bottom of the water stop sleeve body 1, and the upper side and the lower side of each water stop ring are provided with water stop rubber strips 6. If the bottom plate is made of flexible waterproof material, the bottom plate must be made of a sealing materialThe sealing paste 10 is closed at the lower water stop ring.
The diameter D of the water stopping sleeve body 11Not less than 1000mm, and the distance between inner wall and lattice column 8 is 100 ~ 200mm, and the wall thickness of water stop sleeve is not less than 10 mm. The water stop ring is of a steel plate structure, and the length of the middle water stop ring and the length of the lower water stop ring are 120-180 mm. The water stop adhesive tape 6 is made of water-swelling sealant (water stop adhesive) or sealant.
According to actual conditions, the water stopping sleeve can be integrally formed or divided into a left part and a right part, and when the water stopping sleeve is divided into the two parts, the water stopping sleeve is reinforced through welding.
As shown in fig. 2, the utility model also discloses an application telescopic foundation ditch stagnant water structure ends, including setting up lattice column 8 on concrete cushion 7 and setting on waterproof layer 9 end the water sleeve, the water sleeve cup joints in the lattice column 8 outside, end the telescopic outside and be concrete bottom plate 11, the telescopic inside and outside concrete has all been pour to end the water. The enlarged portion 2 is 200mm lower than the top surface of the reinforced concrete floor 11.
The height of the concrete poured on the inner side of the water stopping sleeve is different from that of the concrete poured on the outer side of the water stopping sleeve, a preset distance exists between the top end of the lattice column 8 and the top end of the water stopping sleeve body 1, the space where the preset distance is located is filled with waterproof sealing paste 13, and the top end of the waterproof sealing paste 13 is provided with a sealing steel plate fixed on the expansion part 2.
An anti-cracking reinforcing mesh 15 fixed on the expansion part 2 is arranged above the sealing steel plate, retarded structure steel adhesive is further coated on the surface of the steel member, and concrete is filled in the gap of the expansion part 2.
The construction process of the concrete foundation pit water stop structure is as follows: after the pile position is determined, erecting a steel reinforcement cage according to the construction process of the lattice column 8, and completing the construction of the lattice column 8 after filling slurry, wherein the layer opposite to the bottom end of the lattice column 8 is a concrete cushion layer 7; a waterproof layer 9 is built above the concrete cushion 7; fixing the prepared water stopping sleeve on the waterproof layer 9; building a basement bottom plate, wherein the expanded part 2 of the water stopping sleeve is 200mm lower than the top surface of the reinforced concrete bottom plate 11; concrete and basement bottom plate concrete are pour simultaneously in the sleeve, and concrete pouring is to about 250mm department apart from the bottom plate top surface in the sleeve, and 2 top surfaces 50mm (the size can be adjusted according to the foundation soil of difference, reserves the subsidence space) apart from the enlargement portion, and the sleeve is poured outward to bottom plate top surface elevation.
After the major structure construction is accomplished, when needing to demolish steel lattice column 8, cut off lattice column 8 concrete surface in the sleeve, lattice column excision position 12 in the picture promptly to fill 50mm to sleeve top with waterproof sealing compound 13 on the concrete surface and enlarge the position, enlarge the position welded seal with circular steel sheet 14 and sleeve top that thickness is not less than 10mm, overlap joint length is not less than 100 mm. At the moment, a steel round pit is formed at the position of the lattice column 8, an anti-cracking reinforcing mesh 15 is arranged at the top of the pit and welded with a steel sleeve, retarded structure adhesive steel glue is coated on the surface of a steel member in the pit, and after the concrete is completely applied, non-shrinkage micro-expansion concrete is poured in the range, wherein the type of the concrete is the same as that of the bottom plate concrete.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a stagnant water sleeve of excavation supporting steel lattice column which characterized in that includes: the water stopping sleeve comprises a water stopping sleeve body and a water stopping ring fixedly connected to the outer side of the water stopping sleeve body, wherein the diameter of the water stopping sleeve body is D1The upper end of the water stop sleeve body is also provided with a diameter D2Enlarged portion of (2), i.e. D2＞D1The water stop ring comprises a first water stop ring arranged below the expansion part, a second water stop ring arranged in the middle of the water stop sleeve body and a third water stop ring arranged at the bottom of the water stop sleeve body, and water stop rubber strips are arranged on the upper side and the lower side of each water stop ring.
2. The water stop sleeve of a foundation pit support steel lattice column of claim 1, wherein the water stop sleeve body diameter D1The thickness of the wall of the water stopping sleeve is not less than 1000mm, the distance between the inner wall and the lattice column is 100-200 mm, and the thickness of the wall of the water stopping sleeve is not less than 10 mm.
3. The water stop sleeve of the foundation pit support steel lattice column according to claim 1, wherein the water stop ring is of a steel plate structure, and the lengths of the middle and lower water stop rings are 120-180 mm.
4. The water stop sleeve for a foundation pit support steel lattice column according to claim 1, wherein the water stop strip is a water-swellable sealant or sealant paste.
5. A foundation pit water stopping structure applying the water stopping sleeve according to any one of claims 1 to 4, and is characterized by comprising a lattice column arranged on a concrete cushion layer and the water stopping sleeve arranged on a waterproof layer, wherein the water stopping sleeve is sleeved on the outer side of the lattice column, a concrete bottom plate is arranged on the outer side of the water stopping sleeve, and concrete is poured on the inner side and the outer side of the water stopping sleeve.
6. The foundation pit water stop structure according to claim 5, wherein the height of the concrete poured on the inner side of the water stop sleeve is different from that of the concrete poured on the outer side of the water stop sleeve, a preset distance exists between the top end of the lattice column and the top end of the water stop sleeve body, a space where the preset distance exists is filled with waterproof sealing paste, and a sealing steel plate fixed on the enlarged portion is arranged at the top end of the waterproof sealing paste.
7. The foundation pit water stop structure according to claim 6, wherein an anti-cracking reinforcing mesh fixed on the enlarged part is arranged above the sealing steel plate, delayed coagulation structure steel adhesive is further coated on the surface of the steel member, and concrete is filled in the gap of the enlarged part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201766.0U CN210315588U (en) | 2019-07-26 | 2019-07-26 | Foundation ditch supports stagnant water sleeve and foundation ditch stagnant water structure of steel lattice column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201766.0U CN210315588U (en) | 2019-07-26 | 2019-07-26 | Foundation ditch supports stagnant water sleeve and foundation ditch stagnant water structure of steel lattice column |
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| CN210315588U true CN210315588U (en) | 2020-04-14 |
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| CN201921201766.0U Active CN210315588U (en) | 2019-07-26 | 2019-07-26 | Foundation ditch supports stagnant water sleeve and foundation ditch stagnant water structure of steel lattice column |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523226A (en) * | 2020-12-10 | 2021-03-19 | 广州市城市规划勘测设计研究院 | Basement structure based on foundation pit support and construction method thereof |
| CN114809071A (en) * | 2022-03-15 | 2022-07-29 | 上海市城市建设设计研究总院（集团）有限公司 | Node for constructing underground structural slab by using lattice column and waterproof method for cutting lattice column |
-
2019
- 2019-07-26 CN CN201921201766.0U patent/CN210315588U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523226A (en) * | 2020-12-10 | 2021-03-19 | 广州市城市规划勘测设计研究院 | Basement structure based on foundation pit support and construction method thereof |
| CN112523226B (en) * | 2020-12-10 | 2022-04-22 | 广州市城市规划勘测设计研究院 | Basement structure based on foundation pit support and construction method thereof |
| CN114809071A (en) * | 2022-03-15 | 2022-07-29 | 上海市城市建设设计研究总院（集团）有限公司 | Node for constructing underground structural slab by using lattice column and waterproof method for cutting lattice column |
| CN114809071B (en) * | 2022-03-15 | 2023-07-04 | 上海市城市建设设计研究总院（集团）有限公司 | Joint for constructing underground structural plate by using lattice column and waterproof method for cutting lattice column |
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