CN114809003B - River course treatment assembly type foundation pit construction process and hoisting system thereof - Google Patents
River course treatment assembly type foundation pit construction process and hoisting system thereof Download PDFInfo
- Publication number
- CN114809003B CN114809003B CN202210370273.XA CN202210370273A CN114809003B CN 114809003 B CN114809003 B CN 114809003B CN 202210370273 A CN202210370273 A CN 202210370273A CN 114809003 B CN114809003 B CN 114809003B
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- side plate
- steel sheet
- sheet pile
- foundation pit
- pile body
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Classifications
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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
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/06—Fitted piles or other elements specially adapted for closing gaps between two sheet piles or between two walls of sheet piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
Abstract
The invention discloses a river course treatment assembled foundation pit hoisting system, which relates to the technical field of river course treatment, and particularly relates to a river course treatment assembled foundation pit hoisting system, comprising a hanger, wherein the hanger comprises a first side plate and a second side plate, the first side plate is positioned on one side of the second side plate, two hydraulic rods are arranged between the first side plate and the second side plate, the two hydraulic rods are symmetrically arranged in an area between the first side plate and the second side plate, the telescopic ends of the hydraulic rods are connected with the first side plate, the base ends of the hydraulic rods are connected with the second side plate, and as a steel sheet pile body and a connecting frame are connected through at least two groups of bolts and studs, the steel sheet pile body and the connecting frame can be prevented from rotating relatively, and meanwhile, under the action of limiting blocks on a limiting column and a fixed plate, the stability of the steel sheet pile body in the piling process can be increased, so that the steel sheet pile body can only vertically penetrate downwards and underground, and the accuracy of foundation pit enclosure construction is greatly improved.
Description
Technical Field
The invention relates to the technical field of river management, in particular to a river management assembly type foundation pit construction process and a hoisting system thereof.
Background
In the river course treatment process, engineering construction can be carried out in the river course at times, and when the engineering is constructed, foundation pits are firstly constructed in the river course, then the foundation pits are operated, the foundation pits are excavated according to the substrate elevation and the foundation plane size at the foundation design position, the excavation scheme is determined according to geological hydrologic data before excavation and combining with the conditions of buildings nearby the site, and waterproof and drainage work is carried out.
However, when the foundation pit is assembled, the defect still exists in the prior market, for example, the fence is formed by a steel sheet pile, and when the steel sheet pile is driven, the position of the steel sheet pile is difficult to fix, so that the position of the steel sheet pile is inclined, the fence cannot be used, in addition, after the fence is built, gaps are formed between the steel sheet piles, the gaps are difficult to block due to the fact that the depth is deeper, the water leakage phenomenon is caused in the fence, and then water flow inside the foundation pit is difficult to discharge rapidly, so that engineering construction is affected.
Disclosure of Invention
The invention aims to provide a river treatment assembly type foundation pit construction process and a hoisting system thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a river course administers assembled foundation ditch hoisting system, includes the gallows, the gallows includes first curb plate and second curb plate, first curb plate is located one side of second curb plate, install two hydraulic levers between first curb plate and the second curb plate, two hydraulic levers symmetry set up the region between first curb plate and second curb plate, the flexible end of hydraulic lever is connected with first curb plate, the base end of hydraulic lever is connected with second curb plate, can increase the interval between first curb plate and the second curb plate through the hydraulic lever;
the steel plate pile body is used for building the foundation pit and is positioned between the first side plate and the second side plate;
the fixing plate is positioned on one side of the steel sheet pile body, the fixing plate is arranged on one side of the second side plate through the interval adjusting mechanism, two limiting blocks are symmetrically fixed on one side of the fixing plate opposite to the second side plate, and limiting holes are formed in the limiting blocks;
the connecting frame, the connecting frame passes through bolt and nut to be connected in one side of steel sheet pile body, the top both sides of connecting frame are all vertical to be fixed with spacing post, two spacing post runs through two spacing holes respectively, and in the steel sheet pile body pile driving process, spacing post removes along spacing hole, and the stability of multiplicable steel sheet pile body pile driving in-process to ensure that the steel sheet pile body can only be vertical down deep underground.
Preferably, the steel sheet pile body is of a shape like a Chinese character 'ji', and both ends of the steel sheet pile body are curled inwards to form a hook part, so that the steel sheet pile bodies can be hung tightly directly.
Preferably, the steel sheet pile body is provided with a plurality of, and a plurality of the steel sheet pile body divide into two rows, and two rows the steel sheet pile body is dislocation distribution, and the several font opening direction of two rows of steel sheet pile bodies is relative, and adjacent two the steel sheet pile body is through the mutual traction of couple portion, utilizes a plurality of steel sheet pile body to splice into the foundation ditch enclosure fast.
Preferably, the first side plate is also provided with a spacing adjusting mechanism;
the interval adjustment mechanism comprises a plurality of locating holes and two locating bolts, wherein the locating holes are transversely formed in the outer wall of the second side plate at equal intervals, the two locating bolts are connected with the fixing plates through threads, thread grooves matched with the threads on the outer wall of the locating bolts are formed in the inner wall of the locating holes, the interval between the two fixing plates is adjusted through the locating bolts and the locating holes, and the distance between two adjacent steel sheet pile bodies can be controlled, so that the hook parts between the two adjacent steel sheet pile bodies can be mutually tensioned in the horizontal direction.
Preferably, rings are all installed at the both ends of first curb plate and second curb plate, the inside both sides of first curb plate all run through there is the guide pillar, the one end and the second curb plate welded fastening of guide pillar utilize rings can increase the convenience of gallows hoist and mount in-process, utilize the stability when adjusting the interval between guide pillar multiplicable first curb plate and the second curb plate.
Preferably, at least two groups of bolts and nuts are arranged between the connecting frame and the steel sheet pile body, the diameter of the limiting column is consistent with the inner diameter of the limiting hole, and the steel sheet pile body and the connecting frame can be prevented from rotating relatively.
Preferably, a limiting pipe is vertically arranged between two adjacent hook parts, a plurality of through holes are formed in the outer wall of the limiting pipe at equal intervals along the vertical direction, a lifting insertion pipe is arranged in the limiting pipe, and the top end of the insertion pipe is connected with a feeding pipe.
Preferably, the length of the limiting pipe is consistent with that of the steel sheet pile body, a sealing ring is arranged at the top of the limiting pipe and positioned outside the insertion pipe, a plug bush is arranged at the bottom end of the insertion pipe, and the outer wall of the plug bush is attached to the inner wall of the limiting pipe.
Preferably, the through hole is protruding font structure, and the outside of the big part of through-hole cross-sectional area orientation spacing pipe, the inside of the little part of through-hole cross-sectional area orientation spacing pipe, and the inside of through-hole is provided with the rubber buffer, the size of rubber buffer is unanimous with the size of the inside cavity of through-hole, utilizes the rubber buffer can seal the through-hole when the through-hole does not spout gluey, can prevent debris such as earth and cause the shutoff to the through-hole to improve the stability when follow-up sealant spouts gluey.
The river course treatment assembly type foundation pit construction process comprises the following steps:
step one, fixing a steel sheet pile body on one side of a connecting frame through at least two groups of bolts and studs;
step two, adjusting the distance between the two fixed plates through the positioning bolts and the positioning holes, and further controlling the distance between the two adjacent steel sheet pile bodies so that the hook parts between the two adjacent steel sheet pile bodies can be mutually tensioned in the horizontal direction;
step three, increasing the distance between the first side plate and the second side plate through a hydraulic rod, so that the hook parts between two adjacent steel sheet pile bodies can be mutually tensioned in the direction perpendicular to the first side plate, and a tight foundation pit enclosure can be formed by utilizing a plurality of steel sheet pile bodies;
after the foundation pit enclosure is formed, driving the steel sheet pile bodies into the ground one by a pile driver and adopting a screen driving method, so that the foundation pit enclosure supports the foundation pit;
step five, after the whole foundation pit enclosure enters the ground, introducing sealant into the interior of the feeding pipe, and simultaneously pulling out the insertion pipe upwards along the limiting pipe, so that the sealant is gradually sprayed out from a through hole positioned below to a through hole positioned above, and the sealant is filled in a gap between two adjacent hook parts in a bottom-to-top mode, so that the tightness between two adjacent steel sheet piles is improved;
and step six, after the sealant is filled, pumping water into the foundation pit enclosure through a water pump, and after the water flow in the foundation pit enclosure is drained, performing river treatment construction operation.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the river treatment assembly type foundation pit construction process and the hoisting system thereof, as the steel sheet pile body and the connecting frame are connected through the bolts and the studs of at least two groups, the steel sheet pile body and the connecting frame can be prevented from rotating relatively, meanwhile, under the action of the limit blocks on the limit posts and the fixing plates, the stability of the steel sheet pile body in the piling process can be increased, so that the steel sheet pile body can be ensured to only vertically penetrate deep into the ground, and the accuracy of the foundation pit enclosure in construction is greatly improved.
2. This assembled foundation ditch construction process is administered to river course and hoist and mount system thereof adjusts the interval between two fixed plates through locating bolt and locating hole, and then the distance between two adjacent steel sheet pile bodies is controlled to couple portion between two adjacent steel sheet pile bodies can be taut each other in the horizontal direction, increase the interval between first curb plate and the second curb plate through the hydraulic stem, and then couple portion between two adjacent steel sheet pile bodies can be taut each other in the direction perpendicular with first curb plate, under the cooperation of the two, but the fastness when greatly increased foundation ditch encloses fender and builds.
3. This assembled foundation ditch construction process is administered to river course and hoist and mount system thereof, upwards pull out the intubate along spacing pipe when injecting the sealant to inside the inlet pipe, the cooperation through-hole can make the sealant with from bottom to top's mode, fills the space department between two adjacent couple portions, improves the leakproofness between two adjacent steel sheet pile bodies, avoids river course rivers to get into in the foundation ditch.
Drawings
FIG. 1 is a schematic overall structure of embodiment 1;
fig. 2 is a front view of embodiment 1;
fig. 3 is a front view of the connection frame in embodiment 1;
FIG. 4 is a side view of the second side plate of example 1;
fig. 5 is an enlarged view of a portion a in fig. 1;
fig. 6 is a schematic structural diagram of embodiment 2.
In the figure: 1. a through hole; 2. a plug sleeve; 3. a hydraulic rod; 4. a hanging ring; 5. a guide post; 6. a first side plate; 7. a steel sheet pile body; 8. a limiting block; 9. a limit column; 10. a connection frame; 11. a fixing plate; 12. a positioning bolt; 13. a second side plate; 14. positioning holes; 15. a limiting tube; 16. a seal ring; 17. a cannula; 18. a feed pipe; 19. a rubber stopper; 20. a hook part; 21. and a limiting hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1 to 4, the river management assembly type foundation pit hoisting system of the embodiment comprises a hanger, wherein the hanger comprises a first side plate 6 and a second side plate 13, the first side plate 6 is positioned on one side of the second side plate 13, two hydraulic rods 3 are installed between the first side plate 6 and the second side plate 13, the two hydraulic rods 3 are symmetrically arranged in a region between the first side plate 6 and the second side plate 13, the telescopic ends of the hydraulic rods 3 are connected with the first side plate 6, the base ends of the hydraulic rods 3 are connected with the second side plate 13, and the distance between the first side plate 6 and the second side plate 13 can be increased through the hydraulic rods 3;
the steel plate pile body 7 is used for building a foundation pit, and the steel plate pile body 7 is positioned between the first side plate 6 and the second side plate 13;
the fixing plate 11 is positioned on one side of the steel sheet pile body 7, the fixing plate 11 is arranged on one side of the second side plate 13 through a spacing adjusting mechanism, two limiting blocks 8 are symmetrically fixed on one side of the fixing plate 11 opposite to the second side plate 13, and limiting holes 21 are formed in the limiting blocks 8;
the connecting frame 10, connecting frame 10 pass through the bolt and nut connect in one side of steel sheet pile body 7, and the top both sides of connecting frame 10 are all vertical to be fixed with spacing post 9, and two spacing posts 9 run through two spacing holes 21 respectively, and in the pile driving process of steel sheet pile body 7, spacing post 9 removes along spacing hole 21, and the stability of pile driving in-process of multiplicable steel sheet pile body 7 to ensure that steel sheet pile body 7 can only vertically go deep into underground downwards.
Specifically, the steel sheet pile body 7 has a zigzag structure, and both ends of the steel sheet pile body 7 are curled inward to form the hooking portions 20, so that the steel sheet pile bodies 7 can be hung up directly with each other.
Further, the steel sheet pile body 7 is provided with a plurality of, and a plurality of steel sheet pile body 7 divide into two rows, and two rows of steel sheet pile bodies 7 are dislocation distribution, and the several font opening direction of two rows of steel sheet pile bodies 7 is relative, and two adjacent steel sheet pile bodies 7 pull each other through couple portion 20, utilize a plurality of steel sheet pile body 7 to splice into the foundation ditch enclosure fast.
Further, a space adjusting mechanism is also arranged on the first side plate 6;
the interval adjustment mechanism comprises a plurality of positioning holes 14 and two positioning bolts 12, wherein the plurality of positioning holes 14 are transversely formed in the outer wall of the second side plate 13 at equal intervals, the two positioning bolts 12 are connected with the fixed plate 11 through threads, the inner wall of each positioning hole 14 is provided with a thread groove matched with the threads on the outer wall of each positioning bolt 12, the interval between the two fixed plates 11 is adjusted through the positioning bolts 12 and the positioning holes 14, and the distance between two adjacent steel plate pile bodies 7 can be controlled, so that the hook parts 20 between the two adjacent steel plate pile bodies 7 can be mutually tensioned in the horizontal direction.
Further, rings 4 are all installed at the both ends of first curb plate 6 and second curb plate 13, and the inside both sides of first curb plate 6 all run through and have guide pillar 5, and the one end and the 13 welded fastening of second curb plate of guide pillar 5 utilize rings 4 can increase the convenience of gallows hoist and mount in-process, utilize stability when adjusting the interval between 5 multiplicable first curb plate 6 and the second curb plate 13 of guide pillar 5.
Furthermore, at least two groups of bolts and nuts are arranged between the connecting frame 10 and the steel sheet pile body 7, the diameter of the limiting column 9 is consistent with the inner diameter of the limiting hole 21, and the steel sheet pile body 7 and the connecting frame 10 can be prevented from rotating relatively.
The application method of the embodiment is as follows: fixing the steel sheet pile bodies 7 on one side of the connecting frame 10 through bolts and studs, adjusting the distance between the two fixing plates 11 by utilizing the positioning bolts 12 and the positioning holes 14, enabling the hook parts 20 between the adjacent two steel sheet pile bodies 7 to be mutually tensioned in the horizontal direction, increasing the distance between the first side plate 6 and the second side plate 13 through the hydraulic rod 3, and enabling the hook parts 20 between the adjacent two steel sheet pile bodies 7 to be mutually tensioned in the direction perpendicular to the first side plate 6, so that a foundation pit enclosure with a tightening is formed by the plurality of steel sheet pile bodies 7;
and finally, driving the steel sheet pile bodies into the ground one by one through a pile driver so as to enable the foundation pit enclosure to support the foundation pit.
Example 2
The structure of the river management assembly type foundation pit construction process and the hoisting system thereof in the embodiment is basically the same as that of the river management assembly type foundation pit construction process and the hoisting system thereof in the embodiment 1, and the difference is that: a limiting pipe 15 is vertically arranged between two adjacent hook parts 20, a plurality of through holes 1 are formed in the outer wall of the limiting pipe 15 at equal intervals along the vertical direction, a lifting insertion pipe 17 is arranged in the limiting pipe 15, and the top end of the insertion pipe 17 is connected with a feeding pipe 18 (see fig. 5 and 6).
Specifically, the length of the limiting pipe 15 is consistent with that of the steel sheet pile body 7, a sealing ring 16 is arranged at the top of the limiting pipe 15 outside the insertion pipe 17, the plug bush 2 is arranged at the bottom end of the insertion pipe 17, and the outer wall of the plug bush 2 is attached to the inner wall of the limiting pipe 15.
Further, the through hole 1 is protruding font structure, and the outside of the big part of through-hole 1 cross-sectional area towards spacing pipe 15, the inside of the little part of through-hole 1 cross-sectional area towards spacing pipe 15, and the inside of through-hole 1 is provided with rubber buffer 19, utilize the through-hole 1 of protruding font structure, can prevent that rubber buffer 19 from getting into the inside of spacing pipe 15, and then make rubber buffer 19 can only spout from the inside of spacing pipe 15, the size of rubber buffer 19 is consistent with the size of the inside cavity of through-hole 1, utilize rubber buffer 19 can seal through-hole 1 when through-hole 1 does not spout the glue, debris such as earth can be prevented to cause the shutoff to through-hole 1, thereby stability when improving follow-up sealant and spouting the glue.
The application method of the embodiment is as follows: after the foundation pit is enclosed and kept off wholly to get into underground, let in the sealant to the inside of inlet pipe 18, simultaneously can upwards extract intubate 17 along spacing pipe 15 to make the sealant follow through-hole 1 department that the position is lower gradually to the through-hole 1 department that the position is higher, and then make the sealant in order from down supreme mode, fill the space department between two adjacent couple portions 20, with the leakproofness between two adjacent steel sheet pile body 7 that improves, so that the staff is enclosed and is kept off inside rivers pump-out with the foundation pit, carries out the construction operation of river course treatment.
Example 3
Referring to fig. 1-6, a river management assembly type foundation pit construction process comprises the following steps:
step one, fixing a steel sheet pile body 7 on one side of a connecting frame 10 through at least two groups of bolts and studs;
step two, the distance between the two fixing plates 11 is adjusted through the positioning bolts 12 and the positioning holes 14, so that the distance between the two adjacent steel sheet pile bodies 7 is controlled, and the hook parts 20 between the two adjacent steel sheet pile bodies 7 can be mutually tensioned in the horizontal direction;
step three, increasing the distance between the first side plate 6 and the second side plate 13 through the hydraulic rod 3, so that the hook parts 20 between two adjacent steel sheet pile bodies 7 can be mutually tensioned in the direction perpendicular to the first side plate 6, and a tight foundation pit enclosure can be formed by utilizing a plurality of steel sheet pile bodies 7;
after the foundation pit enclosure is formed, driving the steel sheet pile bodies 7 into the ground one by a pile driver and adopting a screen driving method so as to support the foundation pit by the foundation pit enclosure;
step five, after the whole foundation pit enclosure enters the ground, introducing sealant into the interior of the feed pipe 18, and simultaneously pulling out the insertion pipe 17 upwards along the limit pipe 15, so that the sealant is gradually sprayed out from the lower through hole 1 to the upper through hole 1, and the sealant is filled in a gap between two adjacent hook parts 20 in a bottom-to-top mode, so that the tightness between two adjacent steel sheet piles 7 is improved;
and step six, after the sealant is filled, pumping water into the foundation pit enclosure through a water pump, and after the water flow in the foundation pit enclosure is drained, performing river treatment construction operation.
In the screen type driving method, 10-20 steel sheet piles are arranged in a row in a hanger to form a screen shape, then the steel sheet piles are applied in batches, the steel sheet piles at two ends of the screen wall are firstly driven to a designed elevation or a certain depth to form positioning sheet piles, and then the positioning sheet piles are driven in steps according to the heights of 1/3 and 1/2 of the sheet piles in sequence in the middle.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides a river course administers assembled foundation ditch construction process, adopts river course administers assembled foundation ditch hoist and mount system and carries out assembled foundation ditch construction, its characterized in that:
the river management assembly type foundation pit hoisting system comprises a hanger, wherein the hanger comprises a first side plate (6) and a second side plate (13), the first side plate (6) is positioned on one side of the second side plate (13), two hydraulic rods (3) are arranged between the first side plate (6) and the second side plate (13), the two hydraulic rods (3) are symmetrically arranged in an area between the first side plate (6) and the second side plate (13), the telescopic end of each hydraulic rod (3) is connected with the first side plate (6), and the base end of each hydraulic rod (3) is connected with the second side plate (13); the steel plate pile body (7) is used for building a foundation pit, and the steel plate pile body (7) is positioned between the first side plate (6) and the second side plate (13); the fixing plate (11), the fixing plate (11) is located one side of the steel sheet pile body (7), the fixing plate (11) is installed on one side of the second side plate (13) through the interval adjusting mechanism, two limiting blocks (8) are symmetrically fixed on one side of the fixing plate (11) opposite to the second side plate (13), and limiting holes (21) are formed in the limiting blocks (8); the connecting frame (10), the connecting frame (10) is connected to one side of the steel sheet pile body (7) through bolts and nuts, limiting columns (9) are vertically fixed on two sides of the top of the connecting frame (10), and the two limiting columns (9) respectively penetrate through the two limiting holes (21);
the steel sheet pile body (7) is of a shape like a Chinese character 'ji', and two ends of the steel sheet pile body (7) are curled inwards to form a hook part (20); the steel sheet pile bodies (7) are arranged in a plurality, the steel sheet pile bodies (7) are divided into two rows, the two rows of steel sheet pile bodies (7) are distributed in a staggered mode, the opening directions of the two rows of steel sheet pile bodies (7) are opposite, and the two adjacent steel sheet pile bodies (7) are mutually pulled through the hook parts (20);
a spacing adjusting mechanism is also arranged on the first side plate (6); the interval adjusting mechanism comprises a plurality of positioning holes (14) and two positioning bolts (12), wherein the positioning holes (14) are transversely and equidistantly formed in the outer wall of the second side plate (13), the two positioning bolts (12) are connected with the fixed plate (11) through threads, and the inner wall of the positioning hole (14) is provided with a thread groove matched with the threads of the outer wall of the positioning bolt (12);
hanging rings (4) are arranged at two ends of the first side plate (6) and the second side plate (13), guide posts (5) penetrate through two sides of the interior of the first side plate (6), and one end of each guide post (5) is welded and fixed with the second side plate (13);
at least two groups of bolts and nuts are arranged between the connecting frame (10) and the steel sheet pile body (7), and the diameter of the limiting column (9) is consistent with the inner diameter of the limiting hole (21);
a limiting pipe (15) is vertically arranged between two adjacent hook parts (20), a plurality of through holes (1) are formed in the outer wall of the limiting pipe (15) at equal intervals along the vertical direction, a lifting insertion pipe (17) is arranged in the limiting pipe (15), and the top end of the insertion pipe (17) is connected with a feeding pipe (18);
the length of the limit pipe (15) is consistent with that of the steel sheet pile body (7), a sealing ring (16) is arranged at the top of the limit pipe (15) outside the insertion pipe (17), a plug sleeve (2) is arranged at the bottom end of the insertion pipe (17), and the outer wall of the plug sleeve (2) is attached to the inner wall of the limit pipe (15);
the through hole (1) is of a convex structure, the part with the large cross section area of the through hole (1) faces the outside of the limiting pipe (15), the part with the small cross section area of the through hole (1) faces the inside of the limiting pipe (15), a rubber plug (19) is arranged in the through hole (1), and the size of the rubber plug (19) is consistent with the size of the cavity in the through hole (1);
the river treatment assembly type foundation pit construction process comprises the following steps of: step one, fixing a steel sheet pile body (7) on one side of a connecting frame (10) through at least two groups of bolts and studs; step two, adjusting the distance between two fixing plates (11) through a positioning bolt (12) and a positioning hole (14), and further controlling the distance between two adjacent steel sheet pile bodies (7) so that the hook parts (20) between the two adjacent steel sheet pile bodies (7) can be mutually tensioned in the horizontal direction; step three, increasing the distance between the first side plate (6) and the second side plate (13) through the hydraulic rod (3), further enabling the hook parts (20) between two adjacent steel sheet pile bodies (7) to be mutually tensioned in the direction perpendicular to the first side plate (6), and forming a tensioned foundation pit enclosure by utilizing a plurality of steel sheet pile bodies (7); after the foundation pit enclosure is formed, driving the steel sheet pile bodies (7) into the ground one by a pile driver and adopting a screen driving method so as to support the foundation pit by the foundation pit enclosure; step five, after the whole foundation pit enclosure enters the ground, introducing sealant into the interior of the feed pipe (18), and simultaneously pulling out the insertion pipe (17) upwards along the limiting pipe (15), so that the sealant is gradually sprayed out from the lower through hole (1) to the upper through hole (1), and the sealant is filled in a gap between two adjacent hook parts (20) in a bottom-to-top mode, so that the tightness between two adjacent steel sheet piles (7) is improved; and step six, after the sealant is filled, pumping water into the foundation pit enclosure through a water pump, and after the water flow in the foundation pit enclosure is drained, performing river treatment construction operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210370273.XA CN114809003B (en) | 2022-04-09 | 2022-04-09 | River course treatment assembly type foundation pit construction process and hoisting system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210370273.XA CN114809003B (en) | 2022-04-09 | 2022-04-09 | River course treatment assembly type foundation pit construction process and hoisting system thereof |
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| CN114809003A CN114809003A (en) | 2022-07-29 |
| CN114809003B true CN114809003B (en) | 2023-09-05 |
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| CN202210370273.XA Active CN114809003B (en) | 2022-04-09 | 2022-04-09 | River course treatment assembly type foundation pit construction process and hoisting system thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535439A (en) * | 2011-11-24 | 2012-07-04 | 东南大学 | Steel sheet pile joint structure |
| CN205152942U (en) * | 2015-11-13 | 2016-04-13 | 宁波易和桩基工程技术开发有限公司 | Novel combination steel sheet pile and be applied to construction leading truck of this steel sheet pile |
| CN206467659U (en) * | 2016-11-09 | 2017-09-05 | 中建港务建设有限公司 | Large-scale U-shaped steel sheet pile construction leading truck |
| CN213328993U (en) * | 2020-08-27 | 2021-06-01 | 中铁北京工程局集团有限公司 | Steel sheet pile positioner |
-
2022
- 2022-04-09 CN CN202210370273.XA patent/CN114809003B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535439A (en) * | 2011-11-24 | 2012-07-04 | 东南大学 | Steel sheet pile joint structure |
| CN205152942U (en) * | 2015-11-13 | 2016-04-13 | 宁波易和桩基工程技术开发有限公司 | Novel combination steel sheet pile and be applied to construction leading truck of this steel sheet pile |
| CN206467659U (en) * | 2016-11-09 | 2017-09-05 | 中建港务建设有限公司 | Large-scale U-shaped steel sheet pile construction leading truck |
| CN213328993U (en) * | 2020-08-27 | 2021-06-01 | 中铁北京工程局集团有限公司 | Steel sheet pile positioner |
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| CN114809003A (en) | 2022-07-29 |
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