CN110777847B - Confined space basement exterior wall pouring and waterproof integrated structure and construction method - Google Patents
Confined space basement exterior wall pouring and waterproof integrated structure and construction method Download PDFInfo
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- CN110777847B CN110777847B CN201911060030.0A CN201911060030A CN110777847B CN 110777847 B CN110777847 B CN 110777847B CN 201911060030 A CN201911060030 A CN 201911060030A CN 110777847 B CN110777847 B CN 110777847B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
Abstract
The invention relates to the technical field of constructional engineering, in particular to a limited space basement outer wall pouring and waterproof integrated structure and a construction method. The basement outer wall pouring and waterproof integrated structure for the limited space comprises a foundation raft, a basement outer wall, support piles, a connecting mechanism and a waterproof mechanism; the basement outer wall is of a prefabricated reinforced concrete structure; the connecting mechanism comprises a shell, a first positioning rod, a second positioning rod and a fixing piece; the first positioning rod is used for being inserted into a first positioning groove formed in the supporting pile, and the second positioning rod is used for being inserted into a second positioning groove formed in the outer side of the basement outer wall; waterproof mechanism includes water dispersing plate and plate washer, and the one end of water dispersing plate is connected with the one end of basic raft board, and relative basic valve plate downward sloping, and the other end and the baffle of water dispersing plate are connected, and the bottom of basement outer wall is equipped with the recess, and the plate washer is arranged in inserting the recess, is equipped with first waterproof adhesive tape in the recess. The invention has the advantages of short construction period and good waterproof effect.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a limited space basement outer wall pouring and waterproof integrated structure and a construction method.
Background
Currently, land resources are becoming more and more urgent as the economy develops and the population continues to grow. In order to build a larger usable area in a limited space, a constructor usually builds a basement at the bottom of the building. In the basement structure, the outer wall needs to have waterproof function in addition to the requirement in the aspect of stress.
The existing basement engineering foundation pit construction method generally adopts non-fertilizer groove excavation, and the construction method of the non-fertilizer groove excavation of the building foundation pit refers to a construction method of the building foundation pit, wherein the inner wall of the foundation pit, which is close to the outer wall of the basement of the building, is not excavated into a slope and is in a vertical state, so that the operation space of the outer wall of the basement and the pit wall of the foundation pit is narrow. The basement outer wall pouring and waterproof integrated construction method in the limited space with narrow operation space mainly comprises the following steps: 1. vertically embedding a support pile at the outer side of the pit wall of the foundation pit in advance; 2. testing and paying off, and determining the mounting position of a template and the setting position of a welding screw rod for planting bars; 3. welding embedded bars; 4. installing a template; 5. finishing the pouring of the modeling wall concrete between the template and the pit wall of the foundation pit; 6. curing, forming and dismantling the template after the concrete of the modeling wall is poured; 7. constructing waterproof coiled materials on the outer side of the modeling wall; 8. erecting a formwork on the inner side of the outer wall of the basement on one side; 9. concrete is poured between the modeling wall and the external wall template; 10. and curing, forming and dismantling the template after the concrete pouring of the basement outer wall is finished.
The above prior art solutions have the following drawbacks: the whole construction steps need twice formwork supporting, twice formwork stripping and twice concrete pouring. And two times of formwork supporting, two times of formwork removal and two times of concrete pouring can not be carried out simultaneously, the formwork supporting and the concrete pouring are carried out on the modeling wall firstly, the formwork removal can be carried out after the concrete of the modeling wall is cured and formed, then the formwork supporting is carried out on the outer wall of the basement, then the concrete of the outer wall of the basement is poured, the formwork removal can be carried out after the concrete of the outer wall of the basement is cured and formed, the whole construction period is long, and the construction is complicated.
Disclosure of Invention
The invention aims to provide a limited space basement outer wall pouring and waterproof integrated structure with short construction period and good waterproof effect and a construction method.
The above object of the present invention is achieved by the following technical solutions:
the basement outer wall pouring and waterproof integrated structure for the limited space comprises a foundation raft, a basement outer wall, support piles, a connecting mechanism and a waterproof mechanism; the basement outer wall is formed by splicing prefabricated reinforced concrete structures; the connecting mechanism comprises a shell, a first positioning rod, a second positioning rod and a fixing piece; one end of the shell is provided with a first opening, the opposite end of the shell is provided with a second opening, the first positioning rod and the second positioning rod are both arranged in the shell, the first positioning rod can stretch and retract relative to the first opening, and the second positioning rod can stretch and retract relative to the second opening; the supporting piles are provided with first positioning grooves, and the outer side of the basement outer wall is provided with second positioning grooves; the first positioning rod is used for being inserted into the first positioning groove, and the second positioning rod is used for being inserted into the second positioning groove; the fixing piece is used for positioning the first positioning rod and the second positioning rod, so that the first positioning rod is kept inserted into the first positioning groove, and the second positioning rod is kept inserted into the second positioning groove.
The waterproof mechanism comprises a water dispersing plate and a baffle plate, one end of the water dispersing plate is connected with one end of the foundation raft plate and inclines downwards relative to the foundation valve plate, and one end of the foundation valve plate is connected with the bottom end of the basement outer wall; the other end of the water dispersing plate is connected with the baffle, a groove is formed in the bottom end of the basement outer wall, the baffle is used for being inserted into the groove, and a first waterproof rubber strip is arranged in the groove.
By adopting the technical scheme, the basement outer wall is a concrete wall poured in advance, formwork erecting construction is not needed on a construction site, and the construction time is greatly reduced. The utility model discloses a basement outer wall, the connection of a fender pile and basement outer wall adopts distinctive coupling mechanism to be connected simultaneously, can make first locating lever and second locating lever be close to each other earlier during the connection and compress the spring between the two, then aim at first constant head tank with first locating lever, and the second locating lever is aimed at the second constant head tank, under the restoring force effect of spring, first locating lever can insert first constant head tank voluntarily, the second locating lever inserts the second constant head tank simultaneously, rethread mounting can make a fender pile and basement outer wall keep relatively fixed this moment. The supporting piles and the wall are connected by the welding screw rods, welding is time-consuming and labor-consuming, operation is difficult, the supporting piles and the wall are connected by the specific connecting mechanism, construction is simple, and construction period is short. Simultaneously when water oozes in from the clearance of basement outer wall with the raft board junction, under waterproofing mechanism's effect, water can be blockked by waterproofing mechanism's baffle, then discharges through the board that looses, can't get into the basement inside, waterproof performance is good.
The invention is further configured to: the fixing piece is a bolt; the first positioning rod and the second positioning rod are both provided with a first positioning hole which is communicated with each other; a first bulge is arranged on the supporting pile, and a first positioning groove is formed in the first bulge; a second bulge is arranged on the outer side of the basement outer wall, and a second positioning groove is formed in the second bulge; the first bulge and the second bulge are provided with through second positioning holes; the number of the bolts is two; when the first positioning rod is inserted into the first positioning groove and the second positioning rod is inserted into the second positioning groove, a bolt is used for sequentially penetrating through a first positioning hole in the first positioning rod and a second positioning hole in the first bulge, so that the first positioning rod and the support pile are relatively fixed; another bolt is used for passing first locating hole and the bellied second locating hole of second on the second locating lever in proper order to make second locating lever and basement outer wall keep relatively fixed.
Through adopting above-mentioned technical scheme, the bolt makes a fender pile be connected more firmly with the basement outer wall, difficult relative separation, and bolted connection is common connected mode simultaneously, and it is comparatively convenient to use.
The invention is further configured to: a first shifting block is arranged on the side wall of the first positioning rod, a first sliding groove extending along the extending direction of the first positioning rod is formed in the side wall of the shell, and the first shifting block extends out of the first sliding groove; the lateral wall of the second positioning rod is provided with a second shifting block, the lateral wall of the shell is provided with a second sliding groove extending along the extending direction of the second positioning rod, and the second shifting block extends out of the second sliding groove.
Through adopting above-mentioned technical scheme, the in-process that different basements were built, the distance of fender pile and assembled outer wall probably is different, through this setting, all can with this apart from the adaptation when the distance of fender pile and assembled outer wall changes, the commonality is strong, and the fault-tolerant rate is high.
The invention is further configured to: the connecting mechanism further comprises an elastic piece, the elastic piece is arranged inside the shell and used for providing force for the first positioning rod to extend out of the first opening and providing force for the second positioning rod to extend out of the second opening.
Through adopting above-mentioned technical scheme, when first locating lever aims at first constant head tank, the elastic component can let first locating lever stretch out first opening automatically and insert first constant head tank, simultaneously when the second locating lever aims at the second constant head tank, the elastic component can let the second locating lever stretch out the second opening automatically and insert the second constant head tank, so coupling mechanism can fix a position fender pile and basement outer wall automatically under the effect of elastic component, and need not operation personnel manual operation, saved the engineering time.
The invention is further configured to: the shell is provided with a plurality of concrete pouring holes.
Through adopting above-mentioned technical scheme, when concreting between foundation ditch pithead and the basement outer wall, coupling mechanism can be better fuse inside the concrete, and coupling mechanism is inside can be filled by the concrete completely, and be difficult for gappedly, has guaranteed coupling mechanism and concrete's joint strength.
The invention is further configured to: the device also comprises a positioning screw rod, the basic raft plate is provided with a clamping groove, and the lower end of the basement outer wall is provided with a clamping block for clamping and matching with the clamping groove; the basement outer wall comprises a first wall body and a second wall body, wherein the end faces of two opposite sides of the first wall body and the second wall body are respectively provided with a third positioning groove and a positioning block; and a second waterproof rubber strip is bonded to the groove wall of the third positioning groove, a plurality of through holes penetrating through the inside of the third positioning groove are formed in the outer side wall of the second wall body, a plurality of threaded holes are formed in the outer side wall of the positioning block, and the positioning screw is used for matching the through holes with the threaded holes in a threaded manner.
Through adopting above-mentioned technical scheme, because monoblock basement outer wall carries comparatively difficultly, it is inconvenient to carry, through becoming first wall body and second wall body with the basement outer wall split, it is comparatively convenient to carry, and simultaneously, first wall body and second wall body are connected comparatively conveniently through above-mentioned scheme, also have waterproof function concurrently.
The invention discloses a construction method for integrating pouring and waterproofing of an outer wall of a basement in a limited space, which comprises the following steps:
(1) vertically burying support piles at the outer side of the pit wall of the foundation pit in advance and building a basic raft at the bottom of the pit wall of the foundation pit;
(2) connecting the prefabricated basement outer wall with a raft plate;
(3) the supporting piles and the basement outer wall are kept relatively fixed by adopting a connecting mechanism; the connecting mechanism is the connecting mechanism of any one of the above-mentioned limited space basement exterior wall pouring and waterproof integrated structures;
(4) and (3) pouring concrete, namely pouring concrete containing the PNC waterproof material between the pit wall of the foundation pit and the outer wall of the basement.
By adopting the technical scheme, formwork erecting and formwork detaching are not needed in the whole construction step, the construction time is greatly saved, meanwhile, only one-time concrete pouring is needed, compared with secondary concrete pouring, the construction period is greatly shortened, and the PNC waterproof material is added among the concrete. When no water exists, the active ingredients of the PNC waterproof material are in a dormant state, and can be reactivated when being contacted with water again to generate new crystals, so that the concrete can be permanently protected from water and corrosion. Therefore, the waterproof device can ensure that the waterproof effect can be well achieved under different conditions. Therefore, the limited space basement outer wall pouring and waterproof integrated structure and the construction method are simple in construction, short in construction period and good in waterproof effect.
The invention is further configured to: in the step (2), the prefabricated basement outer wall is connected with the raft, and the prefabricated basement outer wall is required to be connected with the raft by adopting a carrying device which comprises a crane, a base plate and a driving mechanism, wherein a lifting rope is arranged on the crane and is connected with the base plate, a first positioning piece is arranged on the base plate, a fourth positioning groove is arranged on the basement outer wall, and the first positioning piece is used for being inserted into the fourth positioning groove; the basement outer wall is provided with a position avoiding groove penetrating through the interior of the fourth positioning groove, the first positioning piece is provided with a fifth positioning groove, the substrate is provided with a second positioning piece, the second positioning piece is movable, and the second positioning piece is used for being inserted into the fifth positioning groove along the position avoiding groove when the first positioning piece is inserted into the fourth positioning groove so as to enable the substrate and the basement outer wall to be relatively fixed and remove the positioning of the first positioning piece when the first positioning piece is separated from the fourth positioning groove; the driving mechanism is used for driving the positioning piece to move.
Through adopting above-mentioned technical scheme, the lifting rope is connected more stably with the basement outer wall, is difficult for breaking away from during hoist and mount, and simultaneously, after hoist and mount, the separation of lifting rope and basement outer wall is also comparatively convenient.
The invention is further configured to: the driving mechanism comprises a cylinder, a connecting piece, a micro motor, a screw rod and a nut seat sleeved on the screw rod; an output shaft of the micro motor is connected with the lead screw, a limiting groove used for limiting the nut seat is arranged on the substrate, one end of the connecting piece is connected with the nut seat, the other end of the connecting piece is connected with the air cylinder, and a piston rod of the air cylinder is connected with the second positioning piece.
Through adopting above-mentioned technical scheme, the distance between connecting piece and the first constant head tank can be adjusted, and the cylinder is common actuating mechanism simultaneously, and the fifth constant head tank, convenient to use are inserted or are extracted to drive second setting element that can be convenient.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the construction period is short and the waterproof effect is good;
2. the support piles are connected with the outer wall of the basement more stably and are not easy to separate relatively;
3. the universality is strong, and the fault tolerance rate is high;
4. the connection strength of the connection mechanism and the concrete is ensured;
5. the basement outer wall is convenient to carry;
6. when the basement outer wall is hoisted, the basement outer wall is not easy to separate from the hoisting rope, and the basement outer wall and the hoisting rope are relatively separated conveniently;
7. is convenient to use.
Drawings
Fig. 1 is a schematic view of a connection structure between an outer wall of a basement and a support pile according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a connection mechanism according to an embodiment of the present invention.
Fig. 3 is a schematic view of a splicing structure of the basement exterior wall according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a crane according to an embodiment of the present invention.
Fig. 5 is an enlarged schematic view at a in fig. 4.
Fig. 6 is a cross-sectional view of fig. 5.
In the figure, 1, a basic raft; 2. a basement exterior wall; 3. supporting piles; 4. a housing; 5. a first positioning rod; 6. a second positioning rod; 7. a first opening; 8. a second opening; 9. a first positioning hole; 10. a first positioning groove; 11. a second positioning groove; 12. a first protrusion; 13. a second protrusion; 14. a second positioning hole; 15. a bolt; 16. a first shifting block; 17. a first chute; 18. a second shifting block; 19. a second chute; 20. an elastic member; 21. a first wall; 22. a second wall; 23. carrying out concrete pouring on the holes; 24. a groove; 25. a baffle plate; 26. a water-dispersing plate; 27. a first waterproof adhesive tape; 28. a clamping groove; 29. a clamping block; 30. positioning a screw rod; 31. a third positioning groove; 32. positioning blocks; 33. a through hole; 34. a threaded hole; 35. a second waterproof rubber strip; 36. hoisting a machine; 37. a fourth positioning groove; 38. a substrate; 39. a lifting rope; 40. a first positioning member; 41. a position avoiding groove; 42. a fifth positioning groove; 43. a second positioning member; 44. a cylinder; 45. a connecting member; 46. a micro motor; 47. a screw rod; 48. a nut seat; 49. a limiting groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the basement outer wall pouring and waterproof integrated structure for the limited space disclosed by the invention comprises a foundation raft 1, a basement outer wall 2, support piles 3, a connecting mechanism and a waterproof mechanism; the basement outer wall 2 is formed by splicing prefabricated reinforced concrete structures; the connecting mechanism comprises a shell 4, a first positioning rod 5, a second positioning rod 6 and a fixing piece; the housing 4 may be a cylindrical tube, one end of the housing 4 has a first opening 7, and the opposite end has a second opening 8, and the first opening 7 and the second opening 8 may be both square. The first positioning rod 5 and the second positioning rod 6 can be square rods, the first positioning rod 5 and the second positioning rod 6 are both arranged in the shell 4, the first positioning rod 5 can stretch relative to the first opening 7, and the second positioning rod 6 can stretch relative to the second opening 8; with regard to the specific arrangement of the first positioning rod 5 and the second positioning rod 6 in a telescopic manner, the arrangement may be such that the first positioning rod 5 and the second positioning rod 6 may both have a convex edge thereon, the convex edge may be square, the inner wall of the housing 4 may be provided with a groove matching the convex edge, the groove may also be square, and the convex edge of the first positioning rod 5 and the second positioning rod 6 may be telescopic when sliding along the groove. The supporting piles 3 are provided with first positioning grooves 10, the first positioning grooves 10 are square, and the supporting piles 3 are supporting piles 3 arranged in common foundation pits and are common articles, which are not described in detail herein. A second positioning groove 11 is formed in the outer side of the basement outer wall 2, the second positioning groove 11 is square, the first positioning rod 5 is used for being inserted into the first positioning groove 10, and the second positioning rod 6 is used for being inserted into the second positioning groove 11; the fixture is used for positioning the first positioning rod 5 and the second positioning rod 6, so that the first positioning rod 5 is kept at a position inserted into the first positioning groove 10, and the second positioning rod 6 is kept at a position inserted into the second positioning groove 11.
With respect to the specific arrangement of the fixing member, as shown in fig. 1, the fixing member may be a bolt 15; the first positioning rod 5 and the second positioning rod 6 are both provided with a first positioning hole 9 which is through, and the first positioning hole 9 can be a circular hole; the supporting piles 3 are provided with first bulges 12, the first bulges 12 can be square bulges, the first bulges 12 are provided with first positioning grooves 10, as mentioned above, the first positioning grooves 10 are square, the outer side of the basement outer wall 2 is provided with second bulges 13, the first bulges 12 can be square bulges, the second bulges 13 are provided with second positioning grooves 11, as mentioned above, the second positioning grooves 11 are square, the first bulges 12 and the second bulges 13 are both provided with through second positioning holes 14, and the second positioning holes 14 can be circular holes; the number of bolts 15 is two; when the first positioning rod 5 is inserted into the first positioning groove 10 and the second positioning rod 6 is inserted into the second positioning groove 11, a bolt 15 is used for sequentially passing through the first positioning hole 9 on the first positioning rod 5 and the second positioning hole 14 on the first protrusion 12, so that the first positioning rod 5 and the support pile 3 are kept relatively fixed; another bolt 15 is used for sequentially passing through the first positioning hole 9 on the second positioning rod 6 and the second positioning hole 14 of the second protrusion 13, so that the second positioning rod 6 and the basement exterior wall 2 are kept relatively fixed.
Preferably, as shown in fig. 2, a first shifting block 16 is arranged on a side wall of the first positioning rod 5, the first shifting block 16 may be a square shifting block, a first sliding groove 17 extending along the extending direction of the first positioning rod 5 is arranged on a side wall of the housing 4, the first sliding groove 17 is correspondingly a square sliding groove, and the first shifting block 16 extends out of the first sliding groove 17, so that the extending length of the first positioning rod 5 relative to the first opening 7 can be adjusted by shifting the shifting block; be equipped with second shifting block 18 on the lateral wall of second locating lever 6, second shifting block 18 can be square shifting block, offers the second spout 19 that extends along the direction of extension of second locating lever 6 on the lateral wall of casing 4, and second spout 19 is corresponding to be square spout, and second shifting block 18 stretches out second spout 19 to just can adjust the extension length of second locating lever 6 for second opening 8 through stirring the shifting block. Preferably, as shown in fig. 2, the connection mechanism further includes an elastic member 20, the elastic member 20 may be a spring, the spring is disposed inside the housing 4, one end of the spring may be connected to the first positioning rod 5, the connection manner may be welding, the other end of the spring opposite to the spring is connected to the second positioning rod 6, the connection manner may be welding, the spring is used to provide the force for the first positioning rod 5 to extend out of the first opening 7 and the force for the second positioning rod 6 to extend out of the second opening 8, so that when the first positioning rod 5 is aligned with the first positioning slot 10, the elastic member 20 can allow the first positioning rod 5 to automatically extend out of the first opening 7 and be inserted into the first positioning slot 10, and when the second positioning rod 6 is aligned with the second positioning slot 11, the elastic member 20 can allow the second positioning rod 6 to automatically extend out of the second opening 8 and be inserted into the second positioning slot 11, the connection mechanism can automatically position the retaining pile 3 and the basement exterior wall 2 under the action of the elastic member, and the manual operation of operators is not needed, so that the construction time is saved. Meanwhile, the shell 4 is provided with the plurality of concrete pouring holes 23, so that when concrete is poured between the foundation pit wall and the basement outer wall 2, the connecting mechanism can be better fused in the concrete, the inside of the connecting mechanism can be completely filled with the concrete, gaps are not prone to occurring, and the connecting strength of the connecting mechanism and the concrete is guaranteed.
Regarding the specific setting of waterproof mechanism, as shown in fig. 1, waterproof mechanism includes water scattering plate 26 and plate washer 25, and the one end of water scattering plate 26 is connected with the one end of basic raft board 1, and relative basic valve plate downward sloping, and this end of basic valve plate is connected with the bottom of basement outer wall 2, and basic raft board 1 is equipped with screens groove 28, and screens groove 28 can be the chute, and basement outer wall 2 lower extreme is equipped with and is used for the fixture block 29 with screens groove 28 joint complex, and fixture block 29 is also the fixture block 29 of the terminal surface slope that matches with screens groove 28. The water dispersing plates 26 can be square plates, the baffles can also be square plates, and the water dispersing plates 26 can be partially poured inside the basic raft 1 when the basic raft 1 is prefabricated, so that the water dispersing plates 26 are well connected with the basic raft 1; the other end of the water-dispersing plate 26 is connected with the baffle plate, and the two can be integrally formed. The bottom of basement outer wall 2 is equipped with recess 24, and recess 24 can be square groove, and the plate washer 25 is arranged in inserting recess 24, is equipped with first waterproof stripe 27 in the recess 24, so when water oozes in the clearance of basement outer wall 2 and raft connection department, under waterproofing mechanism's effect, water can be blockked by waterproofing mechanism's baffle, can't get into inside the basement, and waterproof performance is good.
In order to make the basement exterior wall 2 more convenient to carry, as shown in fig. 3, the limited space basement exterior wall pouring and waterproof integrated structure further comprises a positioning screw 30, the basement exterior wall 2 comprises a first wall body 21 and a second wall body 22, the end faces of two opposite sides of the first wall body 21 and the second wall body 22 are respectively provided with a third positioning groove 31 and a positioning block 32, the third positioning groove 31 can be a square groove, correspondingly, the positioning block 32 is a square block, the positioning block 32 on the first wall body 21 is in splicing fit with the third positioning groove 31 on the second wall body 22, and the third positioning groove 31 on the first wall body 21 is in splicing fit with the positioning block 32 on the second wall body 22; the cell wall bonding of third constant head tank 31 has second waterproof stripe 35, be equipped with a plurality of through-holes 33 that link up the inside of third constant head tank 31 on the lateral wall of second wall body 22, be equipped with a plurality of screw holes 34 on the lateral wall of locating piece 32, the lateral wall of second wall body 22 and locating piece 32 is the one side towards foundation ditch pitted wall, establish one side outside towards the room after good for the basement promptly, positioning screw 30 is used for running through-hole 33 and screw hole 34 screw-thread fit, positioning screw 30's tip can be equipped with the knob, the knob makes positioning screw 30 rotating convenient.
The invention discloses a construction method for integrating pouring and waterproofing of an outer wall of a basement in a limited space, which comprises the following steps:
(1) vertically burying support piles 3 at the outer side of the pit wall of the foundation pit in advance and building a basic raft plate 1 at the bottom of the pit wall of the foundation pit;
(2) connecting the prefabricated basement outer wall 2 with a raft;
(3) the supporting piles 3 and the basement outer wall 2 are kept relatively fixed by adopting a connecting mechanism; the connecting mechanism is the connecting mechanism of any one of the above-mentioned limited space basement exterior wall pouring and waterproof integrated structures;
(4) and (3) pouring concrete, namely pouring concrete containing the PNC waterproof material between the pit wall of the foundation pit and the basement outer wall 2.
Preferably, in the step (2), the prefabricated basement exterior wall 2 is connected with the raft, and the connection needs to be achieved by using a carrying device, as shown in fig. 4, the carrying device includes a crane 36, a base plate 38 and a driving mechanism, the crane 36 is a crane 36 commonly used in a construction site, and has no many special requirements, so that details are not repeated herein, as shown in fig. 5, the crane 36 is provided with a lifting rope 39, the lifting rope 39 is connected with the base plate 38, the connection mode can be welding or bolt 15 connection, the base plate 38 is provided with a first positioning member 40, the first positioning member 40 can be a square positioning member, and the first positioning member 40 is used for inserting into the third positioning groove 31; the basement outer wall 2 is provided with a fourth positioning groove 37 and a avoiding groove 41 penetrating through the inside of the fourth positioning groove 37, the avoiding groove 41 can be a square groove, the first positioning piece 40 is provided with a fifth positioning groove 42, the fifth positioning groove 42 can be a square groove, the base plate 38 is provided with a second positioning piece 43, the second positioning piece 43 can move, and the second positioning piece 43 is used for being inserted into the fifth positioning groove 42 along the avoiding groove 41 when the first positioning piece 40 is inserted into the fourth positioning groove 37 so as to ensure that the base plate 38 and the basement outer wall 2 are relatively fixed and the first positioning piece 40 is released from being positioned when the first positioning piece 40 is separated from the fourth positioning groove 37; correspondingly, the second positioning member 43 may be a square positioning member, and the driving mechanism is used for driving the positioning member to move.
Regarding the specific arrangement of the driving mechanism, as shown in fig. 6, the driving mechanism includes a cylinder 44, a connecting member 45, a micro motor 46, a lead screw 47, and a nut seat 48 sleeved on the lead screw 47; the output shaft of micro motor 46 is connected with lead screw 47, the connected mode can be the welding, be equipped with on the base plate 38 and be used for the spacing groove 49 to nut seat 48, spacing groove 49 can be square groove, the direction that spacing groove 49 extends can be perpendicular with first locating piece 40, connecting piece 45 can be parallel with first locating piece 40, second locating piece 43 can be vertical state with first locating piece 40, the one end and the nut seat 48 of connecting piece 45 are connected, the connected mode can be the welding, the other end and the cylinder 44 of connecting piece 45 are connected, the connected mode can be welding or bolted connection, the piston rod and the second locating piece 43 of cylinder 44 are connected, the connected mode can be the welding.
The implementation principle of the embodiment is as follows: when the basement outer wall 2 needs to be built, firstly, the support piles 3 are vertically buried in the outer side of the foundation pit wall, the foundation raft 1 is built at the bottom of the foundation pit wall, then the basement outer wall 2 is hoisted to be connected with the raft by the crane 36, the concrete hoisting process is as follows, as the hoisting ropes 39 are connected with the base plate 38, the first positioning pieces 40 arranged on the base plate 38 are inserted into the fourth positioning grooves 37 arranged on the basement outer wall 2, then the micro motor 46 is enabled to rotate, the micro motor 46 drives the screw rod 47 to rotate, the nut seat 48 sleeved on the screw rod 47 can move along the limiting grooves 49 under the action of the limiting grooves 49 arranged on the base plate 38, the connecting piece 45 is connected with the nut seat 48, the air cylinder 44 is arranged on the connecting piece 45, the connecting piece 45 is adjusted to a proper position, the air cylinder 44 is started, the piston rod of the air cylinder 44 extends out to drive the second positioning piece 43 connected with the piston rod to move, and at the moment, the second positioning piece 43 is inserted into the In the fifth constant head tank 42 on the first constant head tank 40 in the constant head tank 37 to lifting rope 39 is connected well with basement outer wall 2, then starts loop wheel machine 36, hoists basement outer wall 2 to basic raft board 1 department, compares the common splice bar welding with lifting rope 39 and on basement outer wall 2 with hoist basement outer wall 2, and this lifts the hoist and mount that makes basement outer wall 2 comparatively convenient, and saves man-hour.
Because the clamping groove 28 is arranged on the basic raft 1, the lower end of the basement outer wall 2 is provided with the fixture block 29 which is clamped and matched with the clamping groove 28, and the fixture block 29 is inserted into the clamping groove 28, the connection between the basement outer wall 2 and the basic raft 1 can be realized. Simultaneously, because one side of the relative basement outer wall 2 of basic raft 1 is equipped with the scattered water board 26 of slope, scattered water board 26 is connected with the baffle, when the fixture block 29 of basement outer wall 2 lower extreme inserts the screens groove 28 on the basic raft 1, the baffle on the basic raft 1 is also corresponding to insert in the recess 24 that sets up on the basement outer wall 2, and with the first waterproof stripe 27 butt in the recess 24, thereby when water oozes from the clearance of basement outer wall 2 with the raft junction, under waterproofing mechanism's effect, water can be blockked by waterproofing mechanism's baffle, then discharge along scattered water board 26, can't get into inside the basement, waterproof performance is good.
The basement exterior wall 2 comprises a first wall body 21 and a second wall body 22, when the first wall body 21 and the second wall body 22 are connected, a positioning block 32 on the first wall body 21 is in splicing fit with a third positioning groove 31 on the second wall body 22, and a positioning block 31 on the first wall body 21 is in splicing fit with a positioning block 32 on the second wall body 22, the positioning block 32 can be abutted to a second waterproof adhesive tape 35 adhered to the wall of the third positioning groove 31, and then the positioning screw 30 penetrates through a through hole 33 on the third positioning groove 31 and is in threaded fit with a threaded hole 34 on the positioning block 32, so that the first wall body 21 is stably connected with the second wall body 22. The mode of splitting basement outer wall 2 into first wall 21 and second wall 22 makes the transport of basement outer wall 2 more convenient, does benefit to the transport.
After basic raft 1 is connected firmly with basement outer wall 2, stir first shifting block 16 and second shifting block 18 on coupling mechanism's the shell, make first locating lever 5 contract with first opening 7 relatively, and second locating lever 6 contracts for second opening 8, the spring between first locating lever 5 and the second locating lever 6 this moment is compressed, then aim at first locating groove 10 that is equipped with on the first arch 12 of fender pile 3 with first locating lever 5, and aim at second locating groove 11 that is equipped with on the second arch 13 of basement outer wall 2 with second locating lever 6, loosen the shifting block, first locating lever 5 can insert first locating groove 10 under the effect of spring, and second locating lever 6 can stretch into second locating groove 11 under the effect of spring. The dial is adjusted appropriately to align the first positioning hole 9 in the first positioning rod 5 with the second positioning hole 14 in the first protrusion 12, and then the first positioning rod 5 is held in position for insertion into the first positioning groove 10 by the bolt 15 while the first positioning hole 9 in the second positioning rod 6 is aligned with the second positioning hole 14 in the second protrusion 13, and then the second positioning rod 6 is held in position for insertion into the second positioning groove 11 by the bolt 15. Basic raft 1 and basement outer wall 2 can keep relatively fixed this moment, and the distance between foundation pit wall and the basement outer wall 2 can keep unchangeable, then pours the concrete that contains PNC waterproof material between foundation pit wall and basement outer wall 2, and the concrete can be inside along the concrete pouring hole 23 infiltration shell on the shell, makes coupling mechanism and concrete integrated into one piece, and the permanent support that keeps between 3 and the basement outer wall 2 of a fender post.
According to the expression, the prefabricated basement outer wall 2 is connected with the raft, the waterproof mechanism is arranged at the connection position of the prefabricated basement outer wall 2 and the raft, then the supporting piles 3 and the basement outer wall 2 pass through the specific connecting mechanism, and finally concrete containing waterproof materials is poured between the foundation pit wall and the basement outer wall 2.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a limited space basement outer wall is pour, waterproof integrated structure which characterized in that: comprises a basic raft (1), a basement outer wall (2), a support pile (3), a connecting mechanism and a waterproof mechanism;
the basement outer wall (2) is formed by splicing prefabricated reinforced concrete structures;
the connecting mechanism comprises a shell (4), a first positioning rod (5), a second positioning rod (6) and a fixing piece; one end of the shell (4) is provided with a first opening (7), the opposite end of the shell is provided with a second opening (8), the first positioning rod (5) and the second positioning rod (6) are both arranged in the shell (4), the first positioning rod (5) can stretch relative to the first opening (7), and the second positioning rod (6) can stretch relative to the second opening (8);
a first positioning groove (10) is formed in the supporting pile (3), and a second positioning groove (11) is formed in the outer side of the basement outer wall (2);
the first positioning rod (5) is used for being inserted into the first positioning groove (10), and the second positioning rod (6) is used for being inserted into the second positioning groove (11);
the fixing piece is used for positioning the first positioning rod (5) and the second positioning rod (6), so that the first positioning rod (5) is kept at a position inserted into the first positioning groove (10), and the second positioning rod (6) is kept at a position inserted into the second positioning groove (11);
the waterproof mechanism comprises a water dispersing plate (26) and a baffle plate (25), one end of the water dispersing plate (26) is connected with one end of the basic raft plate (1) and inclines downwards relative to the basic valve plate, and the one end of the basic valve plate is connected with the bottom end of the basement outer wall (2); the other end of the water dispersing plate (26) is connected with a baffle, a groove (24) is formed in the bottom end of the basement outer wall (2), the baffle (25) is used for being inserted into the groove (24), and a first waterproof rubber strip (27) is arranged in the groove (24).
2. The confined space basement exterior wall pouring and waterproof integrated structure as claimed in claim 1, wherein: the fixing piece is a bolt (15);
the first positioning rod (5) and the second positioning rod (6) are provided with a first positioning hole (9) which is communicated with each other;
a first bulge (12) is arranged on the supporting pile (3), and a first positioning groove (10) is arranged on the first bulge (12); a second bulge (13) is arranged on the outer side of the basement outer wall (2), and a second positioning groove (11) is formed in the second bulge (13); the first bulge (12) and the second bulge (13) are provided with a second through positioning hole (14);
the number of the bolts (15) is two; when the first positioning rod (5) is inserted into the first positioning groove (10) and the second positioning rod (6) is inserted into the second positioning groove (11), a bolt (15) is used for sequentially passing through a first positioning hole (9) on the first positioning rod (5) and a second positioning hole (14) on the first protrusion (12) so as to enable the first positioning rod (5) and the support pile (3) to be relatively fixed; and the other bolt (15) is used for sequentially passing through the first positioning hole (9) on the second positioning rod (6) and the second positioning hole (14) of the second protrusion (13) so as to ensure that the second positioning rod (6) and the basement outer wall (2) are relatively fixed.
3. The confined space basement exterior wall pouring and waterproof integrated structure as claimed in claim 2, wherein: a first shifting block (16) is arranged on the side wall of the first positioning rod (5), a first sliding groove (17) extending along the extending direction of the first positioning rod (5) is formed in the side wall of the shell (4), and the first shifting block (16) extends out of the first sliding groove (17); the side wall of the second positioning rod (6) is provided with a second shifting block (18), the side wall of the shell (4) is provided with a second sliding groove (19) extending along the extending direction of the second positioning rod (6), and the second shifting block (18) extends out of the second sliding groove (19).
4. The confined space basement exterior wall pouring and waterproofing integrated structure according to any one of claims 1 to 3, characterized in that: the connecting mechanism further comprises an elastic piece (20), the elastic piece (20) is arranged inside the shell (4), and the elastic piece (20) is used for providing the force for the first positioning rod (5) to extend out of the first opening (7) and providing the force for the second positioning rod (6) to extend out of the second opening (8).
5. The confined space basement exterior wall pouring and waterproofing integrated structure according to any one of claims 1 to 3, characterized in that:
the shell (4) is provided with a plurality of concrete pouring holes (23).
6. The confined space basement exterior wall pouring and waterproofing integrated structure according to any one of claims 1 to 3, characterized in that: the raft foundation comprises a foundation raft plate (1) and is characterized by further comprising a positioning screw rod (30), wherein a clamping groove (28) is formed in the foundation raft plate (1), and a clamping block (29) used for being clamped and matched with the clamping groove (28) is arranged at the lower end of the basement outer wall (2);
the basement exterior wall (2) comprises a first wall body (21) and a second wall body (22), wherein the end faces of two opposite sides of the first wall body (21) and the second wall body (22) are respectively provided with a third positioning groove (31) and a positioning block (32), the positioning block (32) on the first wall body (21) is in splicing fit with the third positioning groove (31) on the second wall body (22), and the third positioning groove (31) on the first wall body (21) is in splicing fit with the positioning block (32) on the second wall body (22);
the cell wall bonding of third constant head tank (31) has second waterproof stripe (35), be equipped with a plurality of through-holes (33) that link up the inside of third constant head tank (31) on the lateral wall of second wall body (22), be equipped with a plurality of screw holes (34) on the lateral wall of locating piece (32), positioning screw (30) are used for running through-hole (33) with screw hole (34) screw-thread fit.
7. A construction method for pouring and waterproofing of an outer wall of a basement in a limited space is characterized by comprising the following steps: the method comprises the following steps:
(1) vertically burying support piles (3) at the outer side of the pit wall of the foundation pit in advance and building a basic raft (1) at the bottom of the pit wall of the foundation pit;
(2) connecting the prefabricated basement outer wall (2) with the raft;
(3) the supporting piles (3) and the basement outer wall (2) are kept relatively fixed by adopting a connecting mechanism; the connecting mechanism is a connecting mechanism of a pouring and waterproof integrated structure of the outer wall of the basement in the limited space of any one of claims 1 to 6;
(4) and (3) pouring concrete, namely pouring concrete containing PNC waterproof materials between the pit wall of the foundation pit and the outer wall (2) of the basement.
8. The construction method of the limited space basement exterior wall pouring and waterproofing integration as claimed in claim 7, wherein: in the step (2), the prefabricated basement outer wall (2) is connected with a raft, and the connection needs to be realized by adopting a carrying device which comprises a crane (36), a base plate (38) and a driving mechanism, wherein a lifting rope (39) is arranged on the crane (36), the lifting rope (39) is connected with the base plate (38), a first positioning piece (40) is arranged on the base plate (38), a fourth positioning groove (37) is arranged on the basement outer wall (2), and the first positioning piece (40) is used for being inserted into the fourth positioning groove (37);
a position avoiding groove (41) penetrating through the inside of a fourth positioning groove (37) is formed in the basement outer wall (2), a fifth positioning groove (42) is formed in the first positioning piece (40), a second positioning piece (43) is arranged on the substrate (38), the second positioning piece (43) is movable, and the second positioning piece (43) is used for being inserted into the fifth positioning groove (42) along the position avoiding groove (41) when the first positioning piece (40) is inserted into the fourth positioning groove (37) so that the substrate (38) and the basement outer wall (2) can be kept relatively fixed and the first positioning piece (40) can be released from being positioned when the substrate (38) is separated from the fourth positioning groove (37);
the driving mechanism is used for driving the positioning piece to move.
9. The construction method of the limited space basement exterior wall pouring and waterproofing integration as claimed in claim 8, wherein: the driving mechanism comprises a cylinder (44), a connecting piece (45), a micro motor (46), a screw rod (47) and a nut seat (48) sleeved on the screw rod (47);
the output shaft of the micro motor (46) is connected with the screw rod (47), a limiting groove (49) used for limiting the nut seat (48) is arranged on the base plate (38), one end of the connecting piece (45) is connected with the nut seat (48), the other end of the connecting piece (45) is connected with the air cylinder (44), and the piston rod of the air cylinder (44) is connected with the second positioning piece (43).
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| CN112030991A (en) * | 2020-08-03 | 2020-12-04 | 深圳市润辰建设发展有限公司 | Foundation pit and foundation trench supporting structure |
| CN112360008B (en) * | 2020-11-20 | 2022-02-15 | 广东省第一建筑工程有限公司 | Energy-conserving heat preservation assembled outer wall of flexonics |
| CN114164929A (en) * | 2021-10-21 | 2022-03-11 | 王树生 | Wall foundation and construction device thereof |
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