CN211547734U - Pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch - Google Patents

Pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch Download PDF

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Publication number
CN211547734U
CN211547734U CN201922351843.7U CN201922351843U CN211547734U CN 211547734 U CN211547734 U CN 211547734U CN 201922351843 U CN201922351843 U CN 201922351843U CN 211547734 U CN211547734 U CN 211547734U
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pipe
hole
water glass
water
leaking stoppage
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CN201922351843.7U
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张春林
陈浩旦
李尚华
叶冠华
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Foshan Pingshi Deep Foundation Pit Engineering Co ltd
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Foshan Pingshi Deep Foundation Pit Engineering Co ltd
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Abstract

The utility model belongs to the technical field of the technique of foundation ditch enclosure prevention of seepage leaking stoppage construction and specifically relates to a pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch, include: the water-stop wall is arranged in the soil layer and comprises a preset hole arranged at the position, close to the water-stop wall, of the original soil layer, a cement paste pipe arranged in the preset hole and a water glass pipe arranged in the preset hole; the hole is predetermine at the rear of stagnant water wall department of buckling, and predetermine the outside setting of hole along the stagnant water wall, predetermines the interval between the hole and is 1.5 meters, predetermines that the hole downwardly extends to below the foundation ditch hole bottom at least 3 meters department. The utility model discloses have and fill the empty position that collapses fast, prevent the effect that the ground of original soil layer collapses.

Description

Pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch
Technical Field
The utility model belongs to the technical field of the technique of foundation ditch enclosure prevention of seepage leaking stoppage construction and specifically relates to a pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch.
Background
The foundation pit is a soil pit excavated at a foundation design position according to the base elevation and the base plane size, a foundation pit wall supporting mode can be used for excavating the foundation pit with a deeper or nearby building, a concrete water stop wall is arranged on the side wall of the foundation pit, the water stop wall blocks water layers inside and outside the foundation pit from exchanging, a plurality of retaining piles are arranged in front of the water stop wall in the foundation pit, and intervals are arranged among the retaining piles, but the retaining piles can still play the roles of blocking and supporting.
The existing water stop wall generally adopts a triaxial mixing pile machine to pile and pour to form, when the triaxial mixing pile machine works, the offset is easily generated, so that the water stop wall formed by the pile-driving grouting can generate the offset, the offset part of the water stop wall generally can generate a gap, when underground water exists in the original soil layer outside the water stop wall, underground water is mixed with sandy soil and flows into a foundation pit along the gap easily, piping is generated, so that the original soil layer is collapsed, and people generally can draw holes and pour the grout on the ground of the original soil layer.
The above prior art solution has the following drawbacks: the time of leading the hole generally needs about 6 hours, the cement-water glass double-liquid slurry adopted in the grouting process is long in time of being lifted in a grouting pipeline and easy to condense, the pipeline is blocked, the hole needs to be led on the ground again at the moment, once collapse occurs, the mandril speed is very high, and if the hole is not processed in time, the ground collapse of the original soil layer is easy to cause.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch, it has fills the empty position that collapses fast, prevents the effect that the ground of original soil layer collapses.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch, includes: the water-stop wall is characterized by comprising a preset hole, a cement paste pipe and a water glass pipe, wherein the preset hole is formed in the original soil layer and is close to the water-stop wall; predetermine the hole and predetermine the rear at stagnant water wall department of buckling, just predetermine the outside setting of hole along stagnant water wall, it is 1.5 meters to predetermine the interval between the hole, predetermine the hole downwardly extending to foundation ditch pit bottom below 3 meters at least department.
Through adopting above-mentioned technical scheme, with the grout pipe, the water glass pipe injects predetermineeing downtheholely, when the discovery collapses the sky, use the thick liquid that the slip casting machine will correspond to send into the grout pipe, in the water glass pipe, predetermine downthehole quick grout of filling, and grout separately pours into the preformed hole with water glass, slow down the coagulation rate of grout and water glass, prevent grout and water glass after mixing, the rapid solidification, and block up the pipeline, lead to unable grout, this scheme has fills the empty position that collapses fast, prevent the effect that the ground of original soil layer collapses.
The present invention may be further configured in a preferred embodiment as: the preset holes are at least provided with 3, and the preset holes are provided with cement slurry pipes and water glass pipes.
Through adopting above-mentioned technical scheme, predetermine the hole and set up 3 at least, the scope that makes predetermine the hole can fill is great, has the empty effect of good prevention collapsing.
The present invention may be further configured in a preferred embodiment as: one end of each of the cement paste pipe and the water glass pipe is provided with a funnel-shaped discharging pipe, the side wall of each discharging pipe is provided with a plurality of discharging channels, and one end, far away from the cement paste pipe or the water glass pipe connected with the discharging pipes, of each discharging pipe is provided with a circular paste outlet.
Through adopting above-mentioned technical scheme, be provided with out the material on the discharging pipe and say and go out the thick liquid mouth, say through the play material with the cooperation of going out the thick liquid mouth, the grout pipe of being convenient for and the ejection of compact of water glass pipe, also be convenient for mix grout and water glass.
The present invention may be further configured in a preferred embodiment as: and a plurality of discharge holes are formed in the side walls of the cement paste pipe and the water glass pipe, which are close to the end, provided with the discharge pipe, of the water glass pipe.
Through adopting above-mentioned technical scheme, be provided with a plurality of discharge openings, have the effect of the ejection of compact of being convenient for.
The present invention may be further configured in a preferred embodiment as: the cement paste pipe is far away from be provided with the joint board on the lateral wall of the one end of discharging pipe, be provided with the joint mouth that is used for the joint water glass pipe on the joint board.
Through adopting above-mentioned technical scheme, in advancing the joint mouth with the water glass pipe card, make the position relatively fixed of grout pipe and water glass pipe to the ratio that makes to lead to entering grout and water glass in the preset hole can be controlled, and the mixing degree is better.
The present invention may be further configured in a preferred embodiment as: the joint board is located the cement thick liquid pipe and keeps away from the up end of inlet pipe one end, is provided with subaerially to be used for holding the standing groove of joint board.
Through adopting above-mentioned technical scheme, the joint board has the fixed joint board in putting into the standing groove, prevents the effect that the joint board removed to fixed grout pipe and water glass pipe make grout pipe and water glass pipe set up with the ground vertical of original soil layer.
The present invention may be further configured in a preferred embodiment as: the joint board is provided with a protective cover used for covering the cement paste pipe and the water glass pipe, the joint board is provided with two joint grooves respectively communicated with the cement paste pipe and the water glass pipe, and the protective cover is provided with a connecting plate matched with the joint grooves.
Through adopting above-mentioned technical scheme, the protective cover plays the effect that prevents the foreign matter in the outside from getting into cement thick liquid pipe, water glass pipe.
The present invention may be further configured in a preferred embodiment as: the protective cover is provided with a first sealing block for sealing the opening of the cement paste pipe corresponding to the position of the opening of the cement paste pipe, and a second sealing block for sealing the opening of the water glass pipe corresponding to the position of the opening of the water glass pipe is arranged on the protective cover.
Through adopting above-mentioned technical scheme, first sealed piece cooperates with the sealed piece of second, plays and prevents that outside rivers from intaking in mud pipe, the water glass pipe, and the effect of the effect in hole is predetermine in the influence.
To sum up, the utility model discloses a following at least one useful technological effect:
the utility model discloses be provided with the default hole on original soil layer, be provided with grout pipe and water glass pipe in the default hole, when needs the slip casting, with the slip casting machine to grout pipe and water glass intraductal slip casting can, have the effect that fills the vacant position that collapses fast, prevents the ground of original soil layer to collapse;
be provided with the joint board on the grout pipe, be provided with on the joint board with water glass pipe joint complex joint mouth, have the effect that makes the position relatively fixed of grout pipe and water glass pipe.
Drawings
Fig. 1 is a schematic diagram of the position of the preset hole on the original soil layer in the embodiment.
Fig. 2 is an explosion schematic diagram of the foundation pit embedded type double-liquid grouting plugging structure in the embodiment.
Fig. 3 is a schematic use view of the foundation pit embedded type dual-fluid grouting plugging structure in this embodiment.
In the figure, 1, a hole is preset; 11. a cement slurry pipe; 12. a water glass tube; 13. a clamping and connecting plate; 14. a card interface; 15. a clamping groove; 16. a protective cover; 17. a connecting plate; 2. a discharge pipe; 21. a discharging channel; 22. a pulp outlet; 23. a discharge hole; 3. a placement groove; 4. a foundation pit; 41. soil retaining piles; 42. a water stop wall; 43. the original soil layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the foundation pit embedded type double-liquid grouting plugging structure disclosed in this embodiment includes a preset hole 1 formed in an original soil layer 43, a cement slurry pipe 11 placed in the preset hole 1, and a water glass pipe 12 placed in the preset hole 1.
Referring to fig. 1 and 3, in this embodiment, a foundation pit 4 is formed at a preset location of an original soil layer 43 according to a building requirement, a water stop wall 42 is formed by piling and guniting through a three-axis mixing pile machine on a side wall of the foundation pit 4, then a position of a deviation point of the water stop wall 42 is estimated according to manual investigation, a preset hole 1 is formed at a deviation point of the original soil layer 43 close to the water stop wall 42, then a position of the preset hole 1 formed along the water stop wall 42 is a middle point, and two preset holes 1 are formed at two opposite sides of the preset hole 1, that is, in this embodiment, 5 preset holes 1 are formed at a deviation point of the water stop wall 42, and an interval between each preset hole 1 is equal to 1.5 meters.
Referring to fig. 1 and 2, the position of the original soil layer 43 that collapses is uncertain, when the position of the original soil layer 43 between the preset holes 1 collapses, the collapse is extended to both sides until the original soil layer is communicated with the preset holes 1, namely, the original soil layer 43 is grouted into the preset holes 1, so that the position of the original soil layer 43 that collapses is filled, and the collapse is prevented from extending, and the distance between the preset holes 1 is set to be 1.5 meters, so that the effect of preventing the collapse from extending too much is achieved while the collapse position can be predicted in a larger range.
The preset hole 1 extends downwards from the ground of the original soil layer 43 to a position which is at least 3 meters lower than the pit bottom of the foundation pit 4.
And the aperture of presetting hole 1 is greater than the diameter of grout pipe 11 and the diameter sum of sodium silicate pipe 12 at least 2cm, when needs are to predetermine the hole 1 in the slip casting, respectively to grout pipe 11 and the interior corresponding thick liquid of injecting of sodium silicate pipe 12 into of grout pipe through the slip casting machine, the thick liquid flows out by the bottom of grout pipe 11 or sodium silicate pipe 12, upwards packs in the outside of grout pipe 11 and sodium silicate pipe 12, the aperture of presetting hole 1 sets up great, the packing of the mixed liquid of being convenient for.
There is discharging pipe 2 at the bottom of grout pipe 11 and water glass pipe 12 integrated into one piece respectively, discharging pipe 2 is the infundibulate, the great one end of discharging pipe 2 area is connected with grout pipe 11 or water glass pipe 12, the circular shape grout outlet 22 has been seted up to the other end, and the lateral wall of discharging pipe 2 is provided with a plurality of material channels 21, material channel 21 and grout outlet 22 intercommunication, setting through discharging pipe 2, make the grout in grout pipe 11 or the water glass pipe 12 spout out at grout outlet 22.
A plurality of discharge holes 23 are formed in the side walls of the cement paste pipe 11 and the water glass pipe 12, and the discharge holes 23 play a role in assisting discharge.
The terminal surface that discharging pipe 2 one end was kept away from to cement thick liquid pipe 11 outwards extends has joint board 13, and joint mouth 14 adaptation water glass pipe 12's pipe diameter when in actual use puts water glass pipe 12 into earlier predetermineeing in hole 1, then puts water thick liquid pipe 11 into predetermineeing in hole 1 again, makes water glass pipe 12 block advance in joint mouth 14, reaches the effect of fixed cement thick liquid pipe 11 and water glass pipe 12.
The corresponding hole 1's that predetermines position is seted up on the bottom surface of original soil layer 43 with joint board 13 complex standing groove 3, when cement thick liquid pipe 11 put into predetermine in the hole 1, in joint board 13 card advanced standing groove 3, joint board 13, the up end of cement thick liquid pipe 11 all flushes with the ground of original soil layer 43, the up end of water glass pipe 12 is located joint board 13, nevertheless has the interval with between the up end of original soil layer 43.
The joint board 13 lid closes and is located cement thick liquid pipe 11, on the drill way of predetermineeing hole 1 in the water glass pipe 12 outside, in this embodiment, joint board 13 passes through the bolt to be connected with the bottom surface of original soil layer 43, fixed, and joint board 13 lid closes predetermineeing hole 1, when predetermineeing hole 1 and not using, has the grit that prevents the outside and falls into predetermineeing in the hole 1, and the effect of predetermineeing hole 1 is influenced.
The joint port 14 is communicated with the cement paste pipe 11, so that a notch similar to infinity is formed on the upper end face of the joint plate 13 which is flush with the original soil layer 43, a protective cover 16 for covering the pipe orifice of the cement paste pipe 11 and the pipe orifice of the water glass pipe 12 is arranged in the notch, and when the protective cover 16 covers the pipe orifices of the cement paste pipe 11 and the water glass pipe 12, the protective cover is flush with the ground of the original soil layer 43.
The protective cover 16 is provided to prevent foreign matters from falling into the cement mortar pipe 11 and the water glass pipe 12.
Joint groove 15 has been seted up in the relative both sides of protective cover 16 to joint board 13, and protective cover 16 corresponds the position in joint groove 15 and is provided with joint groove 15 joint complex connecting plate 17, through the joint cooperation of connecting plate 17 with joint groove 15, plays the effect that prevents protective cover 16 and remove.
In this embodiment, a T-shaped fastening groove is formed on the side of the protecting cover 16 flush with the ground of the original soil layer 43, so that the protecting cover 16 can be easily taken out.
Correspond 11 orificial position bonds on the protective cover 16 of cement thick liquid pipe and have the first sealed piece of 11 mouth of pipe cooperations of grout pipe, correspond 12 orificial position bonds of water glass pipe have with 12 mouth of pipe cooperations of water glass pipe the sealed piece of second, first sealed piece all adopts rubber material with the sealed piece of second in this embodiment, and first sealed piece, the sealed piece of second respectively with the grout pipe 11 mouth of pipe, 12 mouth of pipe interference fit of water glass pipe, when the external world has water, through first sealed piece, the sealed piece of second and the effect of joint board 13, play and reduce external rivers and get into and predetermine hole 1, and the effect of hole 1 is predetermineeing in the influence.
The implementation principle of the embodiment is as follows: the method comprises the steps of judging deviation points of the water stop wall 42 through manual investigation, then arranging preset holes 1 corresponding to the deviation points, arranging 5 preset holes 1 corresponding to one deviation point, enabling the distance between the preset holes 1 to be 1.5 m, further arranging clamping grooves 15 on the bottom surfaces, close to original soil layers 43, of the preset holes 1, then inserting the water glass tubes 12 into the preset holes 1, then inserting the cement slurry tubes 11 into the preset holes 1, enabling the water glass tubes 12 to be clamped into the clamping ports 14, clamping the clamping plates 13 into the clamping grooves 15, connecting the clamping plates 13 with the original soil layers 43 through bolts, when collapse is found, grouting slurry into the cement slurry tubes 11 and 12 through a grouting machine, enabling the slurry to be intersected with the water glass at the hole bottoms of the preset holes 1, upwards filling the gaps among the preset holes 1, the cement slurry tubes 11 and the water glass tubes 12, and waiting for the slurry to be mixed and dried.
And when not using preset hole 1, close protective cover 16 lid on joint board 13, make first sealed piece and 11 interference fit of grout pipe, make the sealed piece of second and 12 interference fit of water glass pipe to play and prevent that outside water from getting into the effect of presetting in the hole 1, joint board 13 plays the effect that prevents the thick liquid and spill over when being in milk.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch, its characterized in that includes: the water-stop wall is characterized by comprising a preset hole (1) arranged at the position, close to the water-stop wall (42), of an original soil layer (43), a cement slurry pipe (11) arranged in the preset hole (1), and a water glass pipe (12) arranged in the preset hole (1);
predetermine hole (1) and predetermine the rear at stagnant water wall (42) department of buckling, just predetermine hole (1) and set up along the outside of stagnant water wall (42), it is 1.5 meters to predetermine the interval between hole (1), predetermine hole (1) downwardly extending to foundation ditch (4) pit bottom below 3 meters at least.
2. The foundation pit embedded type double-liquid grouting leaking stoppage structure as claimed in claim 1, wherein: the number of the preset holes (1) is at least 3, and the preset holes are provided with cement slurry pipes (11) and water glass pipes (12).
3. The foundation pit embedded type double-liquid grouting leaking stoppage structure as claimed in claim 2, wherein: one end of each of the cement slurry pipe (11) and the water glass pipe (12) is provided with a funnel-shaped discharging pipe (2), the side wall of the discharging pipe (2) is provided with a plurality of discharging channels (21), and one end, far away from the cement slurry pipe (11) or the water glass pipe (12) connected with the discharging pipe (2), of the discharging pipe is provided with a circular slurry outlet (22).
4. The foundation pit embedded type double-liquid grouting leaking stoppage structure as claimed in claim 3, wherein: and a plurality of discharge holes (23) are formed in the side walls of the cement paste pipe (11) and the water glass pipe (12) close to one end on which the discharge pipe (2) is arranged.
5. The foundation pit embedded type double-liquid grouting leaking stoppage structure as claimed in claim 4, wherein: the outer side wall of one end, far away from the discharge pipe (2), of the cement paste pipe (11) is provided with a clamping plate (13), and a clamping port (14) used for clamping the water glass pipe (12) is formed in the clamping plate (13).
6. The foundation pit embedded type double-liquid grouting leaking stoppage structure as claimed in claim 5, wherein: the clamping plate (13) is located on the upper end face, far away from one end of the feeding pipe, of the cement slurry pipe (11), and a placing groove (3) used for containing the clamping plate (13) is formed in the ground.
7. The foundation pit embedded type double-liquid grouting leaking stoppage structure as claimed in claim 6, wherein: be provided with on joint board (13) and be used for covering protective cover (16) of closing grout pipe (11), water glass pipe (12), be provided with on joint board (13) respectively with grout pipe (11), two joint grooves (15) of water glass pipe (12) intercommunication, be provided with on protective cover (16) with joint groove (15) complex connecting plate (17).
8. The foundation pit embedded type double-liquid grouting leaking stoppage structure as claimed in claim 7, wherein: the protective cover (16) is provided with a first sealing block for sealing the orifice of the cement slurry pipe (11) corresponding to the orifice of the cement slurry pipe (11), and the protective cover (16) is provided with a second sealing block for sealing the orifice of the water glass pipe (12) corresponding to the orifice of the water glass pipe (12).
CN201922351843.7U 2019-12-23 2019-12-23 Pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch Active CN211547734U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112299796A (en) * 2020-12-01 2021-02-02 宁波中淳高科股份有限公司 Wall pile inter-pile grouting material for building envelope and construction method thereof
CN113373930A (en) * 2021-05-02 2021-09-10 刘明杰 Pre-buried type biliquid slip casting plugging device of foundation ditch
CN113653082A (en) * 2021-07-31 2021-11-16 陈腾 Pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch
CN114045834A (en) * 2021-12-03 2022-02-15 中国人民解放军陆军工程大学 Sand soil fast curing grouting pile forming device
CN114541452A (en) * 2022-02-23 2022-05-27 深圳市品尚工程有限公司 Foundation pit embedded type double-liquid grouting plugging structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112299796A (en) * 2020-12-01 2021-02-02 宁波中淳高科股份有限公司 Wall pile inter-pile grouting material for building envelope and construction method thereof
CN113373930A (en) * 2021-05-02 2021-09-10 刘明杰 Pre-buried type biliquid slip casting plugging device of foundation ditch
CN113653082A (en) * 2021-07-31 2021-11-16 陈腾 Pre-buried type biliquid slip casting leaking stoppage structure of foundation ditch
CN114045834A (en) * 2021-12-03 2022-02-15 中国人民解放军陆军工程大学 Sand soil fast curing grouting pile forming device
CN114541452A (en) * 2022-02-23 2022-05-27 深圳市品尚工程有限公司 Foundation pit embedded type double-liquid grouting plugging structure
CN114541452B (en) * 2022-02-23 2024-04-26 深圳市品尚工程有限公司 Pre-buried two liquid slip casting plugging structure of foundation ditch

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