CN213625596U - Deep foundation pit enclosure and water stop structure - Google Patents
Deep foundation pit enclosure and water stop structure Download PDFInfo
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- CN213625596U CN213625596U CN202022252317.8U CN202022252317U CN213625596U CN 213625596 U CN213625596 U CN 213625596U CN 202022252317 U CN202022252317 U CN 202022252317U CN 213625596 U CN213625596 U CN 213625596U
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Abstract
The application relates to the technical field of constructional engineering, in particular to a deep foundation pit enclosure and water stop structure. Including underground continuous wall, underground continuous wall sets up along foundation ditch circumference, be provided with interior welt between underground continuous wall and the foundation ditch, underground continuous wall with laid profiled sheet between the interior welt, profiled sheet deviates from one side of underground continuous wall is provided with waterproofing membrane. Underground continuous wall, profiled steel sheet, waterproofing membrane and interior wall have set gradually in the inboard outside-in of foundation ditch, because the profiled steel sheet surface does not have arch or sunken, then waterproofing membrane can closely laminate with the profiled steel sheet for waterproofing membrane is more closely knit with the profiled steel sheet is connected, has avoided the production of bubble or gap, thereby has ensured deep basal pit enclosure and stagnant water structure's intensity.
Description
Technical Field
The application relates to the technical field of constructional engineering, in particular to a deep foundation pit enclosure and water stop structure.
Background
The deep foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. The deep foundation pit engineering mainly comprises foundation pit supporting system design and construction and earthwork excavation, and is a system engineering with strong comprehensiveness. In deep foundation pit engineering, an underground space is excavated downwards from the ground, and in order to improve the stability and the waterproofness of the foundation pit engineering, a surrounding and water stopping structure is usually arranged around the pit.
At present, the existing enclosure and water stop structure comprises an underground continuous wall and a waterproof coiled material, and when the waterproof coiled material is laid on the underground continuous wall, the surface of the underground continuous wall is uneven, so that the waterproof coiled material is not tightly connected with concrete, and bubbles or gaps are generated.
With respect to the related art among the above, the applicant believes that the following disadvantages exist: the underground continuous wall bulges or is sunken, so that the connection between the waterproof coiled material and the concrete is not compact, bubbles or gaps are generated, and the strength of the deep foundation pit enclosure and water stop structure is poor.
SUMMERY OF THE UTILITY MODEL
In order to improve waterproofing membrane and concrete connection uncompacted problem, this application provides a deep basal pit enclosure and stagnant water structure.
The application provides a deep basal pit enclosure and stagnant water structure adopts following technical scheme:
the utility model provides a deep basal pit enclosure and stagnant water structure, includes underground continuous wall, underground continuous wall sets up along foundation ditch circumference, be provided with interior welt between underground continuous wall and the foundation ditch, underground continuous wall with laid profiled sheet between the interior welt, profiled sheet deviates from one side of underground continuous wall is provided with waterproofing membrane.
Through adopting above-mentioned technical scheme, inboard outside-in of foundation ditch has set gradually underground continuous wall, profiled sheet, waterproofing membrane and interior headwall, because the profiled sheet surface does not have arch or sunken, then waterproofing membrane can closely laminate with the profiled sheet for waterproofing membrane is connected with the profiled sheet more closely knit, has avoided the production in bubble or gap.
Preferably, a concrete protective layer is arranged between the profiled steel sheet and the underground continuous wall, a fixing piece is arranged on one side, facing the underground continuous wall, of the profiled steel sheet, a reinforcement cage is arranged on the underground continuous wall, and the fixing piece and the reinforcement cage are welded and fixed.
Through adopting above-mentioned technical scheme, be provided with the mounting on the profiled sheet, the mounting is fixed with the steel reinforcement cage welded on the underground continuous wall to be connected profiled sheet and underground continuous wall, then pour the concrete protective layer between profiled sheet and underground continuous wall, thereby with the space filling between underground continuous wall and the profiled sheet, make the profiled sheet vertical stable.
Preferably, adjacent profiled sheet fixed connection department all is provided with a plurality of joint teeth and the joint groove of joint of each other, the joint tooth with the through-hole has all been seted up in the joint groove, the through-hole is located same straight line, wear to be equipped with in the through-hole and be used for fixed double-phase adjacent profiled sheet's dead lever.
Through adopting above-mentioned technical scheme, thereby profiled sheet passes through joint tooth and joint groove gomphosis and is connected two adjacent children profiled sheet, has seted up the through-hole on joint tooth and the joint groove, wears to be equipped with the dead lever in the through-hole after that to it is fixed with two adjacent children profiled sheet, avoided profiled sheet to receive other effort and separate, make the profiled sheet connect inseparabler.
Preferably, the upper end of the fixed rod is provided with a hanging ring, and the hanging ring is in threaded connection with the fixed rod.
Through adopting above-mentioned technical scheme, the upper end of dead lever is provided with rings, and rings's use has made things convenient for inserting and taking out of dead lever, and rings and dead lever pass through threaded connection simultaneously, and after the dead lever inserted the through-hole, rings can be twisted out from the dead lever upper end, have reduced rings and have constructed the hindrance when the workman.
Preferably, the profiled steel sheet is waved.
Through adopting above-mentioned technical scheme, the profiled sheet is the wavy, and through the use of wavy profiled sheet, the concrete protection layer forms the coincide face with one side of profiled sheet contact naturally, has avoided artifical chisel underground continuous wall coincide face to reduce artificial use, simultaneously, the wavy setting is personally submitted to the coincide, has improved the anti shear capacity of coincide face.
Preferably, the waterproof coiled material has self-adhesion, and the overlapping width of two adjacent waterproof coiled materials is not less than 10 cm.
Through adopting above-mentioned technical scheme, waterproofing membrane itself has the autohension, then waterproofing membrane can closely laminate on profiled sheet, leads waterproofing membrane overlap joint width not less than 10cm simultaneously mutually, is favorable to the seamless overlap joint between the waterproofing membrane.
Preferably, a fine stone concrete layer is laid on one side, away from the steel plate, of the waterproof coiled material.
Through adopting above-mentioned technical scheme, be equipped with fine stone concrete layer on waterproofing membrane upper berth, waterproofing membrane can be protected in fine stone concrete layer's setting, has avoided applying when doing interior wall to waterproofing membrane's damage.
Preferably, backfill soil is filled between the lining wall and the side wall of the foundation pit.
By adopting the technical scheme, because the inner side wall of the foundation pit is the soil wall, the surface is uneven, the backfill soil is filled between the lining wall and the foundation pit side wall, and the tamping is carried out after the backfill soil is filled, thereby improving the stability of the connection between the lining wall and the foundation pit side wall.
In summary, the present application includes at least one of the following beneficial technical effects:
the underground continuous wall, the profiled steel sheet, the waterproof coiled material and the inner lining wall are sequentially arranged on the inner side of the foundation pit from outside to inside, and the waterproof coiled material can be tightly attached to the profiled steel sheet due to the fact that no protrusion or depression is formed on the surface of the profiled steel sheet, so that the waterproof coiled material is connected with the profiled steel sheet more compactly, bubbles or gaps are avoided, and the strength of a deep foundation pit enclosure and water stop structure is guaranteed;
through the use of wavy profiled sheet, the concrete protective layer forms the ripple face with one side of profiled sheet contact naturally, has avoided artifical chisel underground continuous wall coincide face to reduce artificial use, simultaneously, the coincide face is the setting of corrugate, has improved the anti shearing bearing capacity of coincide face.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic view for showing a connection structure of profiled steel sheets and underground diaphragm walls;
FIG. 4 is a schematic view showing a connecting structure of profiled steel sheets.
Description of reference numerals: 1. a foundation pit; 2. an underground continuous trough; 21. a reinforcement cage; 3. profiled steel sheets; 31. clamping teeth; 32. a clamping groove; 33. a through hole; 34. fixing the rod; 35. a hoisting ring; 36. a fixing member; 4. waterproof coiled materials; 5 lining a wall; 6. a concrete protective layer; 7. a fine stone concrete layer; 8. and (6) backfilling soil.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses deep basal pit enclosure and stagnant water structure. Referring to fig. 1 and 2, the deep foundation pit enclosure and water stop structure comprises five layers of structures, namely an underground continuous wall 2, a profiled steel sheet 3, a waterproof coiled material 4, an inner lining wall 5 and a foundation pit 1 side wall from outside to inside in sequence. The underground continuous wall 2 and the lining wall 5 are constructed along the circumferential direction of the foundation pit, the lining wall 5 is positioned on the inner side of the underground continuous wall 2, the profiled steel sheet 3 is connected between the underground continuous wall 2 and the lining wall 5, and the waterproof coiled material 4 is laid on the profiled steel sheet 3.
Referring to fig. 1 and 2, a concrete protective layer 6 is applied between the underground continuous wall 2 and the profiled steel sheet 3, a fine stone concrete layer 7 is applied on the waterproof roll 4, and backfill soil 8 is filled between the lining wall 5 and the side wall of the foundation pit 1. In the construction process of the application, firstly, the underground continuous wall 2 is constructed in the foundation pit, the distance of 100-120 cm is reserved between the underground continuous wall 2 and the side wall of the foundation pit 1, then the profiled steel sheet 3 is connected on the inner side wall of the underground connecting wall 2, and the concrete protective layer 6 is poured between the profiled steel sheet 3 and the underground continuous wall 2. And then, the waterproof coiled materials 4 are laid on the surface of the profiled steel sheet 3, and the overlapping width of two adjacent waterproof coiled materials 4 is not less than 10cm, so that the seamless connection of the waterproof coiled materials 4 is facilitated. The waterproof roll 4 is provided with a fine stone concrete layer 7, and the fine stone concrete layer 7 is mainly used for protecting the waterproof roll 4 and avoiding damaging the surface of the waterproof roll 4 when the lining wall 5 is applied. The interior lining 5 can be a brick wall or a concrete wall. Because the inside wall of foundation ditch 1 is the cob wall, and the surface is unsmooth, packs backfill 8 between inside lining wall 5 and foundation ditch 1 side wall, tamps after backfill 8 fills, and such setting has reduced the clearance between inside lining wall 5 and foundation ditch 1 side wall to the stability of deep basal pit and stagnant water structure has been improved.
Referring to fig. 3, a reinforcement cage 21 is arranged on the underground continuous wall 2, a fixing member 36 is arranged on one side of the profiled steel sheet 3 facing the underground continuous wall 2, the fixing member 36 is welded on the profiled steel sheet 3, the top end of the reinforcement cage 21 is welded with the fixing member 36 to connect the profiled steel sheet 3 with the underground continuous wall 2, and then a concrete protective layer 6 is poured between the profiled steel sheet 3 and the underground continuous wall 2 to fill the space between the underground continuous wall 2 and the profiled steel sheet 3, so that the underground continuous wall 2 is connected with the profiled steel sheet 3 more stably.
Referring to fig. 4, adjacent profiled steel sheet 3 fixed connection department all is provided with a plurality of joint teeth 31 and the joint groove 32 of joint of each other, and the cross-section of joint tooth 31 and joint groove 32 is the forked tail setting, and the center department of the vertical direction in joint tooth 31 and joint groove 32 all sets up the through-hole 33 that the cross-section is circular setting, and through-hole 33 is located same straight line, wears to be equipped with the dead lever 34 that is used for fixed double-phase adjacent profiled steel sheet 3 in the through-hole 33. The setting of joint tooth 31 and joint groove 32 on profiled sheet 3 has been convenient for lead the concatenation between the profiled sheet 3 simultaneously can play preliminary fixed effect to adjacent profiled sheet 3 mutually, and the cooperation of through-hole 33 and dead lever 34 leads the profiled sheet 3 of splicing well to fix, and fixed mode is simple, has improved operating personnel's work efficiency to a certain extent. The upper end of the fixed rod 34 is connected with a hanging ring 35, and the hanging ring 35 is in threaded connection with the fixed rod 34. The use of rings 35 has made things convenient for inserting and taking out of dead lever 34, and rings 35 and dead lever 34 threaded connection have made things convenient for rings 35's dismouting simultaneously. Profiled steel sheet 3 is the wave form, has avoided the manual work to cut open the coincide face on the one hand for the coincide face naturally forms the wave form, and on the other hand, wavy profiled steel sheet 3 has improved the anti shear capacity who cuts the coincide face.
The implementation principle of the deep foundation pit enclosure and water stop structure in the embodiment of the application is as follows: firstly, constructing an underground continuous wall 2 in a foundation pit 1, reserving a distance of 100-120 cm between the underground continuous wall 2 and the side wall of the foundation pit 1, then manufacturing a reinforcement cage 21 on the underground continuous wall 2, arranging a fixing piece 36 on one side of a profiled steel sheet 3 facing the underground continuous wall 2, welding the fixing piece 36 on the profiled steel sheet 3, fixing the fixing piece 36 and the top end of the reinforcement cage 21 on the underground continuous wall 2 through welding, then pouring a concrete protection layer 6 between the profiled steel sheet 3 and the underground continuous wall 2, then laying a self-adhesive waterproof coiled material 4 on the other side of the profiled steel sheet 3, constructing a fine stone concrete layer 7 on the waterproof coiled material 4, and then integrally constructing the profiled steel sheet 3, the waterproof coiled material 4 and the fine stone concrete layer 7 as a waterproof unit for waterproofing, then constructing a wall lining 5 on one side of the fine stone concrete layer 7, because the inner side wall of the foundation pit 1 is, the surface is uneven, in order to connect the lining wall 5 and the side wall of the foundation pit 1 more tightly, the backfill soil 8 is filled between the lining wall 5 and the side wall of the foundation pit 1, and the backfill soil 8 is tamped after being filled, so that the deep foundation pit enclosure and water stop structure is more stable.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a deep basal pit enclosure and stagnant water structure, includes underground continuous wall (2), underground continuous wall (2) set up its characterized in that along foundation ditch (1) circumference: an inner lining wall (5) is arranged between the underground continuous wall (2) and the foundation pit (1), a compression steel plate (3) is laid between the underground continuous wall (2) and the inner lining wall (5), and a waterproof coiled material (4) is arranged on one side, deviating from the underground continuous wall (2), of the compression steel plate (3).
2. The deep foundation pit support and water stop structure according to claim 1, wherein: profiled sheet (3) with be provided with concrete protection layer (6) between underground continuous wall (2), profiled sheet (3) towards one side of underground continuous wall (2) is provided with mounting (36), be equipped with steel reinforcement cage (21) on underground continuous wall (2), mounting (36) with steel reinforcement cage (21) welded fastening.
3. The deep foundation pit support and water stop structure according to claim 1, wherein: it is adjacent profiled sheet (3) fixed connection department all is provided with a plurality of joint teeth (31) and the joint groove (32) of joint of each other, joint tooth (31) with through-hole (33) have all been seted up in joint groove (32), through-hole (33) are located same straight line, wear to be equipped with in through-hole (33) and be used for fixed double-phase adjacent profiled sheet (3) dead lever (34).
4. The deep foundation pit support and water stop structure according to claim 3, wherein: the upper end of the fixed rod (34) is provided with a hanging ring (35), and the hanging ring (35) is in threaded connection with the fixed rod (34).
5. The deep foundation pit support and water stop structure according to claim 1, wherein: the profiled steel sheet (3) is wavy.
6. The deep foundation pit support and water stop structure according to claim 1, wherein: waterproofing membrane (4) have autohension, and it is adjacent waterproofing membrane (4) overlap joint width is not less than 10 cm.
7. The deep foundation pit support and water stop structure according to claim 1, wherein: and a fine stone concrete layer (7) is laid on one side of the waterproof coiled material (4) departing from the profiled steel sheet (3).
8. The deep foundation pit support and water stop structure according to claim 1, wherein: and backfill soil (8) is filled between the lining wall (5) and the side wall of the foundation pit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022252317.8U CN213625596U (en) | 2020-10-10 | 2020-10-10 | Deep foundation pit enclosure and water stop structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022252317.8U CN213625596U (en) | 2020-10-10 | 2020-10-10 | Deep foundation pit enclosure and water stop structure |
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| CN213625596U true CN213625596U (en) | 2021-07-06 |
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| CN202022252317.8U Active CN213625596U (en) | 2020-10-10 | 2020-10-10 | Deep foundation pit enclosure and water stop structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215071A (en) * | 2021-12-27 | 2022-03-22 | 中建协和建设有限公司 | SMW construction method pile supporting structure based on water-rich deep foundation pit and construction method thereof |
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2020
- 2020-10-10 CN CN202022252317.8U patent/CN213625596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215071A (en) * | 2021-12-27 | 2022-03-22 | 中建协和建设有限公司 | SMW construction method pile supporting structure based on water-rich deep foundation pit and construction method thereof |
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