CN205024718U - Ground lower plate structure - Google Patents
Ground lower plate structure Download PDFInfo
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- CN205024718U CN205024718U CN201520750308.8U CN201520750308U CN205024718U CN 205024718 U CN205024718 U CN 205024718U CN 201520750308 U CN201520750308 U CN 201520750308U CN 205024718 U CN205024718 U CN 205024718U
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- water hole
- spilled water
- outlet
- base arrangement
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Abstract
The utility model discloses a ground lower plate structure follows supreme C15 plain concrete bed course, first waterproof layer, microlith concrete protection layer and the reinforced concrete base plate of including in proper order down, and still include the outlet of seting up on the base plate and locate easily closing up soon of outlet medial surface and net, microlith concrete protection layer and first waterproof layer are passed to the outlet bottom, outlet outside week is fixed with protrusion in the protection wall of base plate, protection wall crown portion is with being stamped the wooden cover board. The utility model discloses mainly to the basement that constitutes the outer wall by the diaphragm wall, solved basement construction stage's the anti problem of floating, seted up the outlet on the base plate, make groundwater come up and let out water pressure, then in follow -up construction, the anti measure of floating of the building weight on basement upper portion or other is carried out outlet secondary concreting again and is sealed it after reaching the designing requirement, simultaneously, still be provided with the protection wall outside week of outlet, the construction can reach more ideal water -proof effects after accomplishing.
Description
Technical field
The utility model relates to construction engineering technical field, relates more specifically to a kind of underground base arrangement.
Background technology
Along with socioeconomic continuous progress, population gets more and more, and aboveground space is more and more urgent, and therefore increasing building develops to the underground space.Along with basement building is constantly goed deep into underground, anti-floating problem highlights gradually.In the construction stage of basement, traditional way is the ater-casting arranging strip on basement floor, and ater-casting uses usually on the mobilizable base arrangement of non-close; Then, in subsequent construction, after the building weight on basement top or other effective measure of anti float reach designing requirement, then ater-casting concreting is closed, thus make basement reach anti-floating requirement.But, the foundation pit supporting construction having a kind of situation to work as basement is diaphragm wall, and diaphragm wall is when also using as outer wall of basement, whole basement in the construction stage as same closed basin body, basin body can float under the effect of ground water pressure, and ater-casting cannot be used for the basement bottom board of this class formation, just seem particularly severe in the sluicing anti-floating problem of construction stage, also counteracts that the development of this type of basement structure thus.
In view of this, being necessary that very much the measure of anti float for the basement construction stage being made up of exterior wall diaphragm wall is improved, thus designing a kind of underground base arrangement of the anti-floating that can sluice, is industry technical problem urgently to be resolved hurrily.
Utility model content
Technical problem to be solved in the utility model overcomes above-mentioned the deficiencies in the prior art, provides a kind of underground base arrangement.
The technical scheme in the invention for solving the above technical problem is: a kind of underground base arrangement; comprise C15 plain concrete cushion layer, the first waterproofing course, pea gravel concreten topping and steel concrete substrate from bottom to up successively; also comprise the spilled water hole that substrate is offered and the fast-easy closing-up net being located at spilled water hole medial surface; described spilled water hole bottom is through pea gravel concreten topping and the first waterproofing course; outside described spilled water hole, week is fixed with the protection wall protruding from substrate, and described protection wall top adds is stamped wooden cover plate.
Preferably, described spilled water hole is up big and down small shoulder hole, and the ladder plane of described shoulder hole is provided with annular groove.
Preferably, the medial surface on the cascaded surface of described spilled water hole and below cascaded surface is provided with the second waterproofing course.
Preferably, described first waterproofing course or the second waterproofing course are polyurethane coating film waterproofing course.
Preferably, be vertically provided with relief tube in described spilled water hole, described relief tube protrudes upward substrate, extend into foundation soil downwards.
Preferably, the reinforcing bar in described spilled water hole and the reinforcing bar single-sided welding of substrate are fixed.
Preferably, the thickness of described pea gravel concreten topping is 40mm.
Preferably, the cross section of described spilled water hole is quadrangle.
Compared with prior art, the beneficial effects of the utility model are: mainly for the basement being made up of exterior wall diaphragm wall, solve the anti-floating problem in basement construction stage, substrate offers spilled water hole, underground water is come up hydraulic pressure released, then in subsequent construction, after the building weight on basement top or other measure of anti float reach designing requirement, then carry out spilled water hole secondary concreting and closed.Further, basement floor constructions is designed with two-layer waterproofing course, and the concrete bonded area of two-step pouring is very large, makes greatly to increase into water circuit, adds into water difficulty, with reach build closed spilled water hole after water-tight, impermeable waterproof effect.Meanwhile, be also provided with protection wall in the outside week of spilled water hole, after having constructed, more preferably waterproof effect can be reached.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the internal construction schematic diagram of the utility model preferred embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described further.Quote in the present embodiment as " on ", D score, "left", "right", the term such as " centre " and " ", only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
Refer to Fig. 1, a kind of underground base arrangement with spilled water hole of the utility model preferred embodiment design, it specifically comprises: bed course 1, substrate 2, spilled water hole 3, fast-easy closing-up net 4 and waterproofing course.Bed course 1 is laid on basement foundation soil, and bed course 1 is C15 plain concrete cushion layer, and assembling reinforcement in the above 9 is convenient in surface evening press polish, simultaneously also can protective substrate 2.Substrate 2 is located on bed course 1, and substrate 2 is armored concrete slab, is provided with the first waterproofing course 5, first waterproofing course 5 and plays and prevent underground water to be exuded to the ground effect of basement between bed course 1 and substrate 2.On the first waterproofing course 5, be also provided with one deck pea gravel concreten topping 51, its thickness is 40mm.Several spilled water holes 3 are offered in the upper end of substrate 2, the medial surface of spilled water hole 3 arranges fast-easy closing-up net 4, when the reinforcing bar of colligation substrate 2, fast-easy closing-up net 4 to have been fixedly mounted as required on reinforcing bar, then first time concreting formation substrate 2, due to the barrier effect of fast-easy closing-up net 4, substrate 2 is built and defines spilled water hole 3, reinforcing bar 9 now through spilled water hole 3 needs to be truncated, and is convenient to spilled water hole 3 draining in early stage and cleaning rubbish with this.Spilled water hole 3 also runs through pea gravel concreten topping 51 and the first waterproofing course 5 simultaneously, is convenient to hole Nei Ji enters underground water with this.The cross section of spilled water hole 3 is quadrilateral structure, such as common rectangle, rhombus, trapezoidal etc.Relief tube 6 is provided with at the center vertical of spilled water hole 3, relief tube 6 protrudes upward substrate 2, extend into foundation soil downwards, the effect of relief tube 6 is when second time concreting, for excreting a small amount of ponding of spilled water hole 3 bottom, prevents ponding from affecting concrete quality.
Until building weight and other measure of anti float on basement top reach designing requirement, after having cleared up ponding in spilled water hole 3 and rubbish, first reinforcing bar to be set in spilled water hole 3, the reinforcing bar one_to_one corresponding of reinforcing bar and substrate 2 in hole, and adopt single-sided welding to fix; Second time concreting is carried out again, its strength grade of concrete one-level higher than substrate 2 in spilled water hole 3.
Closed rear water-tight, impermeable waterproof effect is built for 3 two times in order to reach spilled water hole, spilled water hole 3 also will adopt following measures: spilled water hole 3 is designed to up big and down small shoulder hole, and the cascaded surface of shoulder hole offers annular groove 31, amass with the concrete joint surface that this increases two-step pouring, when underground water is emerged from down, majority is all that the finedraw of building formed along the sidewall of spilled water hole overflows, increase the sidewall surfaces of spilled water hole long-pending while, also increase into water circuit, thus increase water inlet difficulty.Medial surface on the cascaded surface of spilled water hole 3 and below cascaded surface being provided with the second waterproofing course 7, penetrating into substrate 2 for preventing the underground water under it by relief hole 3.
Further, in order to reach better waterproof effect, in the outside of spilled water hole 3 week along being vertically fixed with protection wall 8, the height of protection wall 8 will protrude from substrate 2, and when first time builds, protection wall 8 will have been constructed simultaneously.Build in second time, after relief tube 6 discharges ponding, added a cover wooden cover plate 10 in the top level of protection wall 8.
Further, the first waterproofing course 5 of the present utility model and the second waterproofing course 7 preferably adopt polyurethane coating film waterproofing course.
Work progress of the present utility model: first, builds bed course 1; Bed course 1 arranges the first waterproofing course 5 and pea gravel concreten topping 51; Wiretie 9, is located on pea gravel concreten topping 51; Reinforcing bar 9 is installed fast-easy closing-up net 4, and then determines position and the structure of spilled water hole; Concreting for the first time, does not this time build spilled water hole 3, builds and forms substrate 2; Until after the building weight on basement top and other measure of anti float reach designing requirement, the ponding in cleaning spilled water hole 3 and rubbish; In the medial surface bottom of spilled water hole 3, the second waterproofing course 7 is set; Single-sided welding reinforcing bar 9 in spilled water hole 3, and relief tube 6 is set; Second time concreting in relief hole 3, after not having ponding to overflow from relief tube 6, then builds envelope relief tube 6.Thus complete the complete work progress of underground base arrangement.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, the any brief introduction amendment done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. a underground base arrangement; comprise C15 plain concrete cushion layer (1), the first waterproofing course (5), pea gravel concreten topping (51) and steel concrete substrate (2) from bottom to up successively; it is characterized in that; also comprise the spilled water hole (3) that substrate is offered and the fast-easy closing-up net (4) being located at spilled water hole medial surface; described spilled water hole bottom is through pea gravel concreten topping and the first waterproofing course; outside described spilled water hole, week is fixed with the protection wall (8) protruding from substrate, and described protection wall top adds is stamped wooden cover plate (10).
2. underground according to claim 1 base arrangement, is characterized in that, described spilled water hole (3) is up big and down small shoulder hole, and the ladder plane of described shoulder hole is provided with annular groove (31).
3. underground according to claim 2 base arrangement, is characterized in that, the medial surface on the cascaded surface of described spilled water hole (3) and below cascaded surface is provided with the second waterproofing course (7).
4. underground according to claim 3 base arrangement, is characterized in that, described first waterproofing course (5) or the second waterproofing course (7) are polyurethane coating film waterproofing course.
5. underground according to claim 4 base arrangement, is characterized in that, is vertically provided with relief tube (6) in described spilled water hole (3), and described relief tube protrudes upward substrate (2), extend into foundation soil downwards.
6. underground according to claim 4 base arrangement, is characterized in that, the reinforcing bar single-sided welding of the reinforcing bar in described spilled water hole (3) and substrate (2) is fixed.
7. underground according to claim 4 base arrangement, is characterized in that, the thickness of described pea gravel concreten topping (51) is 40mm.
8. underground according to claim 4 base arrangement, is characterized in that, the cross section of described spilled water hole (3) is quadrangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750308.8U CN205024718U (en) | 2015-09-25 | 2015-09-25 | Ground lower plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750308.8U CN205024718U (en) | 2015-09-25 | 2015-09-25 | Ground lower plate structure |
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| Publication Number | Publication Date |
|---|---|
| CN205024718U true CN205024718U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520750308.8U Active CN205024718U (en) | 2015-09-25 | 2015-09-25 | Ground lower plate structure |
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| CN (1) | CN205024718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592645A (en) * | 2016-12-23 | 2017-04-26 | 中建八局第二建设有限公司 | Super-thick base plate post-cast strip formwork construction method |
| CN107419811A (en) * | 2017-07-04 | 2017-12-01 | 深圳前海特辰科技有限公司 | The method and its structure of basement bottom board support pile and spilled water hole waterproofing and leakage-stopping |
-
2015
- 2015-09-25 CN CN201520750308.8U patent/CN205024718U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592645A (en) * | 2016-12-23 | 2017-04-26 | 中建八局第二建设有限公司 | Super-thick base plate post-cast strip formwork construction method |
| CN107419811A (en) * | 2017-07-04 | 2017-12-01 | 深圳前海特辰科技有限公司 | The method and its structure of basement bottom board support pile and spilled water hole waterproofing and leakage-stopping |
| CN107419811B (en) * | 2017-07-04 | 2019-07-30 | 深圳前海特辰科技有限公司 | The method and its structure of basement bottom board support pile and drain hole waterproofing and leakage-stopping |
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