CN210238556U - Tower crane goes out raft board position structure of stagnant water in advance - Google Patents
Tower crane goes out raft board position structure of stagnant water in advance Download PDFInfo
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- CN210238556U CN210238556U CN201920951208.XU CN201920951208U CN210238556U CN 210238556 U CN210238556 U CN 210238556U CN 201920951208 U CN201920951208 U CN 201920951208U CN 210238556 U CN210238556 U CN 210238556U
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Abstract
A tower crane raft outlet plate position advanced water stop structure is provided, a waterproof structure is arranged at a seam position of a tower crane foundation and a raft foundation and comprises a first waterproof coating layer, a first waterproof roll material layer, a second waterproof coating layer, a second waterproof roll material layer, a third waterproof roll material layer and a protective layer from bottom to top; the concrete foundation is the same with the top standard height of raft foundation bed course, and its side is equipped with the binding off recess, and the bottom port on first waterproof roll material layer inlays and closes off in the binding off recess, and the foundation ditch is tamped with the peripheral fat groove of tower crane foundation with C15 concrete or pseudo-ginseng grey soil. The utility model discloses simple structure, construction convenience, the good integration between make full use of non-solidification water proof coating and the different base members and tower crane foundation subside stable characteristics in certain period of time, and raft foundation pushes down and ensures that there is not the seepage path footpath between raft foundation and tower crane foundation, guarantee building engineering's construction quality, and greatly reduced seepage hidden danger can make peripheral stagnant water precipitation measure not influenced by the tower crane simultaneously, and it is extravagant to reduce the cost.
Description
Technical Field
The utility model relates to a tower crane foundation construction waterproof technical field, concretely relates to tower crane goes out raft board position stagnant water structure in advance.
Background
With the continuous development of the construction industry in China, the urban construction land is increasingly tense, and the whole ground bank becomes the standard allocation of residential or commercial land. The size of the long and short edges of the integral foundation is generally larger, the tower crane mostly needs to pass through the raft foundation, the tower crane foundation is constructed firstly in the conventional construction, the long and short edges are thrown out when the foundation of the foundation raft foundation is constructed, a gap exists between the long and short edges, backfill is constructed when the tower crane is used for dismantling the closed foundation raft foundation of the foundation, and if water stopping or precipitation measures of a foundation pit are stopped, underground water can permeate from the gap between the foundation raft of the foundation and the tower crane, so that the waterproof layer is difficult to be closed into integral concrete, the concrete pouring is difficult, and the later-period leakage hidden danger is huge; if the water stopping or precipitation measures of the foundation pit are not stopped, the cost is wasted until the raft plates of the ground depot are closed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tower crane goes out raft position stagnant water structure in advance solves among the prior art raft foundation and tower crane foundation seam position waterproof construction degree of difficulty big, construction quality is difficult for guaranteeing, the wholeness is poor easily takes place groundwater seepage and operate inconvenient, the high scheduling problem of construction cost.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a structure for stopping water in advance at a position where a tower crane goes out of a raft comprises a tower crane foundation and a raft foundation; during the foundation ditch is located to the tower crane foundation, including the concrete foundation at top and the tower crane foundation bed course of bottom, stirrup and tower crane foundation festival have been buried underground in the concrete foundation, around the tower crane foundation was located to the raft foundation, including the foundation plate at top and the raft foundation bed course of bottom, its characterized in that: the foundation bottom plate extends inwards around the tower crane foundation, and the foundation bottom plate and the tower crane foundation are partially overlapped in the vertical direction;
the waterproof structure is arranged at the seam position of the tower crane foundation and the raft foundation, is positioned between the foundation slab and the raft foundation cushion layer, and comprises a first waterproof coating layer, a first waterproof roll material layer, a second waterproof coating layer, a second waterproof roll material layer, a third waterproof roll material layer and a protective layer from bottom to top; the first waterproof coating layer is coated on the outer ring of the top surface and the upper part of the side surface of the concrete foundation, and the first waterproof coil material layer is laid on the first waterproof coating layer and covers the outer ring of the top surface and the upper part of the side surface of the concrete foundation; the second waterproof coiled material layer is arranged at the bottom of the foundation slab and formed by lapping an upper waterproof coiled material and a lower waterproof coiled material at a gap position where the concrete foundation is in contact with the raft foundation cushion; the second waterproof coating layer is coated on the lap joint position of the second waterproof roll material layer, and the inner side of the second waterproof coating layer extends to cover the first waterproof roll material layer; and the third water-proof coiled material layer is arranged on the second water-proof coiled material layer, and the protective layer is arranged on the third water-proof coiled material layer.
As the utility model discloses an optimized technical scheme, the top elevation of concrete foundation is the same with the top elevation of position raft foundation bed course.
Further preferably, a closing-up groove is formed in the side face of the concrete foundation, and a bottom port of the first waterproof roll material layer is embedded in the closing-up groove to close up.
Furthermore, the length of the foundation slab extending inwards around the tower crane foundation is more than 500mm, and a water stop plate is arranged on the end face of the inner side of the foundation slab.
Furthermore, the height of the closing-up groove from the top surface of the concrete foundation is 400-600 mm.
Furthermore, the peripheral fat groove of foundation ditch and tower crane basis is tamped with C15 concrete or pseudo-ginseng grey soil.
Further, the first waterproof coating layer and the second waterproof coating layer are both non-cured waterproof coating layers with the thickness of 2 mm.
Further, the first waterproof roll layer is a self-adhesive rubber asphalt polyester tire waterproof roll with the thickness of 4 mm.
Further, the second waterproof roll layer and the third waterproof roll layer are both common SBS polyester tire modified asphalt waterproof rolls.
Furthermore, first waterproof coating layer, first waterproof roll material layer, second waterproof coating layer, second waterproof roll material layer, third waterproof roll material layer and protective layer reserve in the inboard that is close to the tower crane basis has the overlap joint section for the overlap joint of waterproof structure on the back and the tower crane basis is demolishd to the tower crane.
Compared with the prior art, the utility model discloses a technical advantage lies in:
1. the utility model has simple structure and convenient construction, fully utilizes the characteristics of good fusion between the non-solidified waterproof coating and different matrixes and stable sedimentation of the tower crane foundation in a certain period of time, and the raft foundation is pressed down to ensure that no seepage path exists between the raft foundation and the tower crane foundation, thereby basically solving the construction quality of the building engineering when the tower crane passes through the raft under the condition of higher ground water level and greatly reducing the potential leakage hazard;
2. the waterproof layer of the part of the tower crane penetrating through the raft is closed, the filling of the raft is not influenced by peripheral water stop and precipitation, the construction of the part can not be considered by the peripheral water stop and precipitation, the construction is stopped in advance, and the cost is saved.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:
fig. 1 is a schematic view of the whole structure of the advanced water stop structure at the raft outlet part of the tower crane of the utility model;
fig. 2 is a partially enlarged structural diagram of a in fig. 1.
Reference numerals: 1-tower crane foundation, 1.1-tower crane foundation section, 1.2-stirrup, 1.3-concrete foundation, 1.4-closing groove, 1.5-tower crane foundation bed course, 2-raft foundation, 2.1-foundation slab, 2.2-raft foundation bed course, 2.3-water stop, 3-waterproof structure, 3.1-first waterproof coating layer, 3.2-first waterproof coil layer, 3.3-second waterproof coating layer, 3.4-second waterproof coil layer, 3.5-third waterproof coil layer, 4-foundation pit, 5-peripheral fertilizer groove.
Detailed Description
Hereinafter, the embodiment of the advanced water stop structure of the raft outlet part of the tower crane of the utility model will be described with reference to the attached drawings.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein. The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. Referring to fig. 1, a structure for stopping water in advance at a raft outlet part of a tower crane comprises a tower crane foundation 1 and a raft foundation 2; the tower crane foundation 1 is arranged in a foundation pit 4 and comprises a top concrete foundation 1.3 and a bottom tower crane foundation cushion layer 1.5, a stirrup 1.2 and a tower crane foundation section 1.1 are embedded in the concrete foundation 1.3, the raft foundation 2 is arranged around the tower crane foundation 1 and comprises a top foundation bottom plate 2.1 and a bottom raft foundation cushion layer 2.2, the foundation bottom plate 2.1 extends inwards around the tower crane foundation 1, the two vertically form partial overlapping, and a water stop plate 2.3 is arranged at the end part of the foundation bottom plate 2.1; preferably, the length of the foundation slab 2.1 extending inwards around the tower crane foundation 1 is more than 500 mm. The top elevation of the concrete foundation 1.3 is the same as the top elevation of the raft foundation bed course 2.2 at the position. And C15 concrete or pseudo-ginseng gray soil is tamped by the foundation pit 4 and the peripheral fertilizer groove 5 of the tower crane foundation 1.
The waterproof structure 3 is arranged at the joint of the tower crane foundation 1 and the raft foundation 2, is positioned between the foundation slab 2.1 and the raft foundation bed course 2.2, and comprises a first waterproof coating layer 3.1, a first waterproof roll layer 3.2, a second waterproof coating layer 3.3, a second waterproof roll layer 3.4, a third waterproof roll layer 3.5 and a protective layer 3.6 from bottom to top, as shown in fig. 2; the first waterproof coating layer 3.1 is coated on the top surface outer ring and the upper part of the side surface of the concrete foundation 1.3, and the top surface outer ring corresponds to the part positioned at the bottom of the foundation slab 2.1; the first waterproof coil material layer 3.2 is laid on the first waterproof coating layer 3.1, covers the outer ring of the top surface of the concrete foundation 1.3, and is overlapped and covered on the upper part of the side surface of the concrete foundation 1.3 at the periphery; the side of concrete foundation 1.3 is equipped with binding off recess 1.4, the bottom port on first waterproof roll material layer 3.2 inlays and close up in binding off recess 1.4. The height of the closing-up groove 1.4 from the top surface of the concrete foundation 1.3 is 400-600 mm. The second waterproof coiled material layer 3.4 is arranged at the bottom of the foundation slab 2.1 and is formed by overlapping an upper waterproof coiled material and a lower waterproof coiled material at a gap position where the concrete foundation 1.3 is in contact with the raft foundation bed course 2.2; the second waterproof coating layer 3.3 is coated on the lap joint position of the second waterproof roll material layer 3.4, and the inner side of the second waterproof coating layer extends to cover the first waterproof roll material layer 3.2; third water roll layer 3.5 is located on second water roll layer 3.4, protective layer 3.6 is located on third water roll layer 3.5.
In addition, the first waterproof coating layer 3.1 and the second waterproof coating layer 3.3 are both non-cured waterproof coating layers with the thickness of 2 mm. The first waterproof roll layer 3.2 is a self-adhesive rubber asphalt polyester tire waterproof roll with the thickness of 4 mm. And the second waterproof roll layer 3.4 and the third waterproof roll layer 3.5 are both common SBS polyester tire modified asphalt waterproof rolls. First waterproof coating layer 3.1, first waterproof roll material layer 3.2, second waterproof coating layer 3.3, second waterproof roll material layer 3.4, third waterproof roll material layer 3.5 and protective layer 3.6 reserve the inboard that is close to tower crane foundation 1 and have the overlap joint section, the overlap joint section stretches out base plate 2.1 outside, length can equal or the inequality for each layer of waterproof structure corresponds the overlap joint on the tower crane foundation after the tower crane demolishs.
During construction, the following points are noted:
1. elevation of the tower crane foundation 1 needs to be controlled in the earth excavation stage, the same elevation of the top of the tower crane foundation 1 and the elevation of a raft foundation bed course 2.2 of the raft foundation 2 at the position is ensured, foundation construction is carried out, and a closing-up groove 1.4 is reserved in advance.
2. Firstly, a first waterproof coating layer 3.1, namely the non-cured waterproof coating, is coated, then a first waterproof coating layer 3.1, namely the self-adhesive SBS waterproof coiled material with the thickness of 4mm is adhered, and the self-adhesive surface is adhered with the waterproof coating.
3. Filling C15 plain concrete or 3: and 7, tamping the lime soil.
4. And (3) closing the waterproof structure layers of the tower crane foundation 1 after the use is finished, and supplementing the raft foundation.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A tower crane water stop structure in advance at a raft outlet part comprises a tower crane foundation (1) and a raft foundation (2); in foundation ditch (4) is located in tower crane foundation (1), concrete foundation (1.3) including the top and tower crane foundation bed course (1.5) of bottom, bury stirrup (1.2) and tower crane foundation festival (1.1) underground in concrete foundation (1.3), around tower crane foundation (1) is located in raft foundation (2), including foundation slab (2.1) at top and raft foundation bed course (2.2) of bottom, its characterized in that:
the foundation bottom plate (2.1) extends inwards around the tower crane foundation (1), and the foundation bottom plate and the tower crane foundation (1) are vertically overlapped partially;
the waterproof structure (3) is arranged at the joint of the tower crane foundation (1) and the raft foundation (2), is positioned between the foundation slab (2.1) and the raft foundation bed course (2.2), and comprises a first waterproof coating layer (3.1), a first waterproof coil layer (3.2), a second waterproof coating layer (3.3), a second waterproof coil layer (3.4), a third waterproof coil layer (3.5) and a protective layer (3.6) from bottom to top;
the first waterproof coating layer (3.1) is coated on the outer ring of the top surface and the upper part of the side surface of the concrete foundation (1.3);
the first waterproof coil material layer (3.2) is laid on the first waterproof coating layer (3.1) and covers the outer ring of the top surface and the upper part of the side surface of the concrete foundation (1.3);
the second waterproof coiled material layer (3.4) is arranged at the bottom of the foundation slab (2.1) and is formed by lapping an upper waterproof coiled material and a lower waterproof coiled material at a gap position where the concrete foundation (1.3) is in contact with the raft foundation bed course (2.2);
the second waterproof coating layer (3.3) is coated at the lap joint position of the second waterproof roll material layer (3.4), and the inner side of the second waterproof coating layer extends to cover the first waterproof roll material layer (3.2);
and the third waterproof roll layer (3.5) is arranged on the second waterproof roll layer (3.4), and the protective layer (3.6) is arranged on the third waterproof roll layer (3.5).
2. The tower crane raft outlet plate position water stop structure in advance according to claim 1, characterized in that: the top elevation of the concrete foundation (1.3) is the same as the top elevation of the raft foundation bed course (2.2) at the position of the concrete foundation.
3. The tower crane raft outlet plate position water stop structure in advance according to claim 1, characterized in that: the side of concrete foundation (1.3) is equipped with binding off recess (1.4), the bottom port of first waterproof roll material layer (3.2) inlays and closes up in binding off recess (1.4).
4. The tower crane raft outlet plate position water stop structure in advance according to claim 1, characterized in that: the length of the foundation slab (2.1) extending inwards around the tower crane foundation (1) is more than 500mm, and a water stop plate (2.3) is arranged on the end face of the inner side of the foundation slab.
5. The tower crane raft outlet plate position water stop structure in advance according to claim 3, characterized in that: the height of the closing-in groove (1.4) from the top surface of the concrete foundation (1.3) is 400-600 mm.
6. The tower crane raft outlet plate position water stop structure in advance according to claim 1, characterized in that: and C15 concrete or pseudo-ginseng grey soil is tamped by the foundation pit (4) and the peripheral fat tank (5) of the tower crane foundation (1).
7. The tower crane raft outlet plate position water stop structure in advance according to claim 1, characterized in that: the first waterproof coating layer (3.1) and the second waterproof coating layer (3.3) are both non-cured waterproof coating layers with the thickness of 2 mm.
8. The tower crane raft outlet plate position water stop structure in advance according to claim 1, characterized in that: the first waterproof roll layer (3.2) is a self-adhesive rubber asphalt polyester tire waterproof roll with the thickness of 4 mm.
9. The tower crane raft outlet plate position water stop structure in advance according to claim 1, characterized in that: and the second waterproof roll layer (3.4) and the third waterproof roll layer (3.5) are both common SBS polyester tire modified asphalt waterproof rolls.
10. The structure of preventing water in advance at the position of a raft outlet plate of a tower crane according to any one of claims 1 to 9, characterized in that: first waterproof coating layer (3.1), first waterproof roll material layer (3.2), second waterproof coating layer (3.3), second waterproof roll material layer (3.4), third waterproof roll material layer (3.5) and protective layer (3.6) reserve the inboard that is close to tower crane foundation (1) and have the overlap joint section for the overlap joint of waterproof construction on the tower crane foundation after demolishs with the tower crane foundation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920951208.XU CN210238556U (en) | 2019-06-24 | 2019-06-24 | Tower crane goes out raft board position structure of stagnant water in advance |
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| CN201920951208.XU CN210238556U (en) | 2019-06-24 | 2019-06-24 | Tower crane goes out raft board position structure of stagnant water in advance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677015A (en) * | 2020-05-29 | 2020-09-18 | 上海二十冶建设有限公司 | Waterproof method for joint of basement tower crane foundation and raft plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677015A (en) * | 2020-05-29 | 2020-09-18 | 上海二十冶建设有限公司 | Waterproof method for joint of basement tower crane foundation and raft plate |
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