CN213267910U - Ultra-deep foundation pit enclosure water stop structure - Google Patents
Ultra-deep foundation pit enclosure water stop structure Download PDFInfo
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- CN213267910U CN213267910U CN202021911449.0U CN202021911449U CN213267910U CN 213267910 U CN213267910 U CN 213267910U CN 202021911449 U CN202021911449 U CN 202021911449U CN 213267910 U CN213267910 U CN 213267910U
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Abstract
The utility model belongs to the technical field of construction and specifically relates to an extra-deep foundation pit enclosure stagnant water structure is related to, including a plurality of continuous walls that intersect each other, one side of continuous wall is equipped with the vertical setting of long limit and the opening towards the outside joint channel-section steel, opposite side are equipped with the positioning fixture block of pegging graft in the joint channel-section steel of adjacent continuous wall, connect the channel-section steel butt in the tank bottom of pouring the groove and connect the relative both sides wall of channel-section steel and the inside wall butt of pouring the groove. This application has the effect that reduces and pour groove landslide.
Description
Technical Field
The application relates to the field of building construction, especially, relate to an ultra-deep foundation ditch enclosure stagnant water structure.
Background
The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation and the plane size of the foundation, and the ultra-deep foundation pit is a foundation pit with the excavation depth larger than 10 meters, so that in order to reduce the infiltration of underground water into the foundation pit, a water-stopping enclosure structure needs to be arranged in the foundation pit, and the common water-stopping enclosure structure of the common foundation pit is an underground continuous wall.
The underground continuous wall has the characteristics of high structural rigidity, integrity, impermeability and durability, and can be used as a permanent soil-retaining and water-retaining and load-bearing structure; the method can adapt to various complex construction environments and hydrogeological conditions, can be constructed close to the existing buildings, has no noise and vibration basically during construction, and has small influence on adjacent buildings and underground pipelines; it can be used to build underground walls with different depths, widths and shapes. Due to a series of advantages, underground continuous walls are increasingly widely applied to urban subways and deep foundation projects.
However, in the waterproof construction of the joint between the constructed underground continuous wall and the underground continuous wall to be constructed, the joint generally adopts a locking pipe joint, a pouring groove is formed between the continuous walls on two sides after a locking pipe is pulled out, concrete is poured into the pouring groove, the groove wall is easy to collapse when the groove is formed by pouring, and the phenomenon of streaming is easy to generate when the concrete is poured and tamped.
SUMMERY OF THE UTILITY MODEL
In order to reduce and pour the groove landslide, this application provides an ultra-deep foundation ditch enclosure stagnant water structure.
The application provides a pair of ultra-deep foundation pit enclosure stagnant water structure adopts following technical scheme:
the utility model provides an extra-deep foundation pit enclosure stagnant water structure, is including a plurality of continuous walls that intersect each other, one side of continuous wall is equipped with the vertical setting of long limit and the opening towards the outside joint channel-section steel, opposite side are equipped with the positioning fixture block of pegging graft in the joint channel-section steel of adjacent continuous wall, connect the channel-section steel butt in the tank bottom of pouring the groove and connect the both sides wall that the channel-section steel is relative and the inside wall butt of pouring the groove.
Through adopting above-mentioned technical scheme, connect the channel-section steel butt in the lateral wall of pouring the groove, play the effect of reinforcing and pouring the groove lateral wall, reduce and pour the groove collapse, the location fixture block then is the structural strength who increases the joint channel-section steel.
Preferably, be equipped with the steel reinforcement cage in the diaphragm wall, it connects in the steel reinforcement cage to keep away from its open-ended side in the joint channel-section steel, the fixture block is connected in the opposite side of steel reinforcement cage looks butt joint channel-section steel.
Through adopting above-mentioned technical scheme, steel reinforcement cage has increased the structural strength of diaphragm wall, and is convenient for the location and places joint channel-section steel and positioning fixture block.
Preferably, the side wall of the positioning clamping block is provided with a plurality of reinforcing steel bars, and the reinforcing steel bars are located in the joint channel steel.
Through adopting above-mentioned technical scheme, the reinforcing bar increases the structural strength of the junction of two continuous walls, makes the junction of continuous wall be difficult for receiving the exogenic action and damaged.
Preferably, the joint channel steel comprises a plurality of channel steel sections which are spliced, a positioning groove is formed in the end face of one end of each channel steel section, and a positioning block matched with the positioning groove of the adjacent channel steel section is arranged at the other end of each channel steel section.
Through adopting above-mentioned technical scheme, connect the channel-section steel to set up to a plurality of sections, and cooperate through constant head tank and locating piece connection, have the effect of the transport joint channel-section steel of being convenient for.
Preferably, the positioning groove is internally sealed with viscose substances through a plastic film.
Through adopting above-mentioned technical scheme, the locating piece pushes down to the constant head tank, crushes plastic film pressure to make the viscose substance spill over, bond the channel-section steel section of both sides.
Preferably, the side of the positioning block away from the channel steel section connected with the positioning block forms an outwards protruding triangular surface.
Through adopting above-mentioned technical scheme, the locating piece of being convenient for crushes plastic film.
Preferably, the channel-section steel section is equipped with the butt board of adaptation channel-section steel section groove shape, the recess lateral wall butt of butt board and adjacent channel-section steel section, the side that the butt board is close to adjacent channel-section steel recess lateral wall is equipped with the rubber pad.
Through adopting above-mentioned technical scheme, the butt plate has the effect that increases the structural strength of channel-section steel section junction, and the rubber pad has waterproof, the sealed effect that increases the channel-section steel section junction.
Preferably, one side of the steel reinforcement cage close to the channel steel section is vertically provided with a connecting rod, the side of the connecting rod close to the channel steel section is provided with a dovetail groove, and one side of the channel steel section close to the dovetail groove is provided with a dovetail block.
Through above-mentioned technical scheme, be convenient for fix a position the spread groove steel section.
In summary, the present application includes at least one of the following beneficial technical effects:
the joint channel steel is abutted to the side wall of the pouring groove, the effect of reinforcing the side wall of the pouring groove is achieved, the collapse of the pouring groove is reduced, and the structural strength of the joint channel steel is improved by the positioning fixture block.
The steel reinforcement cage has increased the structural strength of diaphragm wall, and is convenient for the location and places joint channel-section steel and positioning fixture block.
The butt plate has the effect of increasing the structural strength of channel steel section junction, and the rubber pad has the waterproof, sealed effect of increasing the channel steel section junction.
Drawings
Fig. 1 is a top view of an ultra-deep foundation pit enclosure water stop structure according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a reinforcement cage according to an embodiment of the present application.
Description of reference numerals: 1. a continuous wall; 2. a reinforcement cage; 21. a connecting rod; 211. a dovetail groove; 22. positioning a fixture block; 23. reinforcing steel bars; 3. a channel steel section; 31. a dovetail block; 32. positioning a groove; 33. positioning blocks; 34. a butt joint plate; 35. and (7) a rubber pad.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses ultra-deep foundation pit enclosure water stop structure. Referring to fig. 1, the ultra-deep foundation pit enclosure water stop structure comprises a plurality of mutually intersected continuous walls 1, the construction of the continuous walls 1 is that a grab bucket machine is adopted to excavate the bottom of a guide wall which is constructed to form a pouring groove, after the pouring groove is subjected to wall brushing, hole sweeping, hole cleaning and slurry changing and the like, cement is poured into the pouring groove to form the continuous walls 1, and the continuous walls 1 are poured together in sections to form the foundation pit enclosure water stop structure.
Referring to fig. 1 and 2, set up steel reinforcement cage 2 in continuous wall 1, thereby increase continuous wall 1's wall body structural strength, steel reinforcement cage 2 has connecting rod 21 near the position welding of adjacent continuous wall 1, the vertical setting in long limit of connecting rod 21, and the length of connecting rod 21 equals the height of steel reinforcement cage 2, connecting rod 21 is the rectangular pole, dovetail groove 211 has been seted up on the side of connecting rod 21 keeping away from steel reinforcement cage 2 one side rather than self connection, the length direction of dovetail groove 211 is perpendicular with the length direction of connecting rod 21, and the wherein one end of dovetail groove 211 runs through the terminal surface of connecting rod 21.
Set up the one end joint of dovetail 211 at connecting rod 21 and have the joint channel-section steel, the lateral wall that the joint channel-section steel is located its recess both sides with pour the lateral wall butt of groove along length direction both sides, and connect the channel-section steel butt in the tank bottom of pouring the groove, thereby will pour the groove and separately be two sections of pouring, the opening orientation of the recess of joint channel-section steel keeps away from one side of connecting rod 21, there is the forked tail piece 31 with dovetail 211 joint complex at the side integrated into one piece that the joint channel-section steel is close to connecting rod 21, dovetail 211 and forked tail piece 31's cooperation, the effect that has connector channel-section steel.
Referring to fig. 1 and 2, specific joint channel-section steel evenly divide into a plurality of sections channel-section steel sections 3 along its length direction, and dovetail block 31 cooperation is located channel-section steel section 3 and is close to the lateral wall of dovetail 211, and the joint channel-section steel divide into a plurality of sections channel-section steel sections 3, is convenient for part steel reinforcement cage 2 with the joint channel-section steel to be convenient for transport.
The locating slot 32 has been seted up at the terminal surface of one of them end of channel steel section 3, the terminal surface shape setting of channel steel section 3 is followed to the locating slot 32, it has the viscose material to seal through plastic film in the locating slot 32, in this embodiment, the viscose material is paste building adhesive, another terminal surface correspondence of channel steel section 3 is equipped with locating piece 33, locating piece 33 joint is in the locating slot 32 of adjacent channel steel section 3, through the action of gravity, external force is applyed to plastic film to locating piece 33, thereby make plastic film crush, the viscose material in the locating slot 32 overflows and bonds two sections adjacent channel steel sections 3.
The side face, far away from the channel steel section 3 connected with the positioning block 33, of the positioning block 33 protrudes outwards to form a triangular face, and specifically, the section of the positioning block 33 along the symmetrical plane of the channel steel section 3 is triangular, so that the positioning block 33 can crush the plastic film conveniently.
The one of them one end welding that channel steel section 3 is located its self recess has butt plate 34, the shape of the 3 recesses of shape adaptation channel steel section of butt plate 34, and with the lateral wall butt of the recess of channel steel section 3, the one end of butt plate 34 extends to the 3 outsides of channel steel section, and the butt does not establish the recess of butt plate 34 one side in adjacent channel steel section 3, the side that is close to 3 recesses of channel steel section at butt plate 34 is equipped with rubber pad 35, rubber pad 35 is extrudeed between butt plate 34 and channel steel section 3, play waterproof sealing's effect, in this embodiment, the thickness of rubber pad 35 is 0.2 mm.
Reinforcement cage 2 is equipped with positioning fixture block 22 for the opposite side that sets up the joint channel-section steel, positioning fixture block 22's the vertical setting of length direction, and positioning fixture block 22 corresponds the joint in the recess of the joint channel-section steel of adjacent diaphragm wall 1, and there is the interval between the lateral wall of positioning fixture block 22 and joint channel-section steel recess, pour and accomplish one section diaphragm wall 1 back, excavate another groove of pouring in the adjacent one side of this diaphragm wall 1, then in advancing the joint channel-section steel with positioning fixture block 22 card, then pour, cement can flow into by positioning fixture block 22 and the clearance that connects between the channel-section steel, thereby connect both sides diaphragm wall 1.
Be equipped with a plurality of reinforcing bars 23 on location fixture block 22, when location fixture block 22 joint in the joint channel-section steel, reinforcing bar 23 butt in the inside wall of joint channel-section steel recess, reinforcing bar 23 has the structural strength who increases joint channel-section steel and location fixture block 22 junction.
The implementation principle of the ultra-deep foundation pit enclosure water stop structure in the embodiment of the application is as follows: the groove is pour in the construction site excavation, connect channel-section steel section 3 in steel reinforcement cage 2 backs, place steel reinforcement cage 2 in pouring the inslot, make the lateral wall that connects the channel-section steel and the lateral wall butt of pouring the groove, then pour cement to 2 places sides of steel reinforcement cage, treat the cement solidification back, set up another groove of pouring in adjacent position, place steel reinforcement cage 2 of connecting channel-section steel section 3 in pouring the groove, make the 22 joints of fixture block in the recess of channel-section steel section 3, reinforcing bar 23 butt in the inside wall of channel-section steel section 3, then pour cement and form adjacent diaphragm wall 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an ultra-deep foundation ditch enclosure stagnant water structure which characterized in that: including a plurality of continuous walls (1) that intersect each other, one side of continuous wall (1) is equipped with the vertical setting of long limit and opening towards the outside joint channel-section steel, the opposite side is equipped with location fixture block (22) of pegging graft in the joint channel-section steel of adjacent continuous wall (1), connect the channel-section steel butt in the tank bottom of pouring the groove and connect the relative both sides wall of channel-section steel and the inside wall butt of pouring the groove.
2. The ultra-deep foundation pit enclosure water stop structure of claim 1, characterized in that: be equipped with steel reinforcement cage (2) in continuous wall (1), it connects in steel reinforcement cage (2) to keep away from its open-ended side in the joint channel-section steel, location fixture block (22) are connected in the opposite side of steel reinforcement cage (2) looks butt joint channel-section steel.
3. The ultra-deep foundation pit enclosure water stop structure of claim 1, characterized in that: the side wall of the positioning clamping block (22) is provided with a plurality of reinforcing steel bars (23), and the reinforcing steel bars (23) are located in the joint channel steel.
4. The ultra-deep foundation pit enclosure water stop structure of claim 2, characterized in that: the joint channel steel comprises a plurality of channel steel sections (3) which are spliced, a positioning groove (32) is arranged on the end face of one end of each channel steel section (3), and a positioning block (33) matched with the positioning groove (32) of the adjacent channel steel section (3) is arranged on the other end of each channel steel section.
5. The ultra-deep foundation pit enclosure water stop structure of claim 4, wherein: and viscose substances are sealed in the positioning grooves (32) through plastic films.
6. The ultra-deep foundation pit enclosure water stop structure according to claim 5, characterized in that: the side surface of the positioning block (33) far away from the channel steel section (3) connected with the positioning block forms a triangular surface protruding outwards.
7. The ultra-deep foundation pit enclosure water stop structure of claim 4, wherein: channel-section steel section (3) are equipped with butt joint board (34) of adaptation channel-section steel section (3) groove shape, the recess lateral wall butt of butt joint board (34) and adjacent channel-section steel section (3), the side that butt joint board (34) are close to adjacent channel-section steel recess lateral wall is equipped with rubber pad (35).
8. The ultra-deep foundation pit enclosure water stop structure of claim 4, wherein: one side that steel reinforcement cage (2) are close to channel steel section (3) is vertical to be equipped with connecting rod (21), the side that connecting rod (21) are close to channel steel section (3) is equipped with dovetail (211), one side that channel steel section (3) are close to dovetail (211) is equipped with dovetail (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021911449.0U CN213267910U (en) | 2020-09-04 | 2020-09-04 | Ultra-deep foundation pit enclosure water stop structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021911449.0U CN213267910U (en) | 2020-09-04 | 2020-09-04 | Ultra-deep foundation pit enclosure water stop structure |
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| CN213267910U true CN213267910U (en) | 2021-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508094A (en) * | 2022-02-21 | 2022-05-17 | 中冶华南建设工程有限公司 | Underground diaphragm wall structure of water-rich karst geology and construction method thereof |
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2020
- 2020-09-04 CN CN202021911449.0U patent/CN213267910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508094A (en) * | 2022-02-21 | 2022-05-17 | 中冶华南建设工程有限公司 | Underground diaphragm wall structure of water-rich karst geology and construction method thereof |
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