CN218562366U - Underground continuous wall and TRD link up stagnant water architecture - Google Patents

Underground continuous wall and TRD link up stagnant water architecture Download PDF

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Publication number
CN218562366U
CN218562366U CN202223040007.5U CN202223040007U CN218562366U CN 218562366 U CN218562366 U CN 218562366U CN 202223040007 U CN202223040007 U CN 202223040007U CN 218562366 U CN218562366 U CN 218562366U
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China
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steel
pile
shaped
trd
water stop
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李嘉
苏冬文
胡超
石邦兴
周翔
韦春星
丁小芳
吕云鹏
伍和平
徐建利
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Zhejiang Jiaogong Underground Engineering Co ltd
Zhejiang Communications Construction Group Co Ltd
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Zhejiang Jiaogong Underground Engineering Co ltd
Zhejiang Communications Construction Group Co Ltd
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Abstract

The utility model relates to a diaphragm wall and TRD link up stagnant water architecture, including the high pressure jet grouting pile that sets up in diaphragm wall foundation ditch both sides, the removal support that is used for carrying out the patching thick liquid and mud jacking to the high pressure jet grouting pile fast recharge structure, high pressure jet grouting pile outside closed loop stagnant water structure, interior subsides stagnant water steel sheet structure and dysmorphism link up stagnant water shaped steel structure; the underground diaphragm wall foundation groove is used for placing a reinforcement cage and forming an underground diaphragm wall by pouring concrete; the special-shaped connection water-stop steel structure is arranged at the connection position of the diaphragm wall and the TRD construction method pile; the outer side closed-loop water stop structure of the high-pressure jet grouting pile comprises a closed-loop steel sheet pile arranged on the outer side of the high-pressure jet grouting pile, and the closed-loop steel sheet pile is enclosed on the outer side of a joint of a diaphragm wall and a TRD construction method pile; and a grouting pipe is arranged on the inner side of the closed-loop steel sheet pile. The utility model has the characteristics of the foundation ditch excavation security is high, high pressure jet grouting pile becomes the stake high quality, easy operation etc. has better comprehensive benefit.

Description

Underground continuous wall and TRD link up stagnant water architecture
Technical Field
The utility model relates to an underground continuous wall links up stagnant water architecture with TRD, mainly is suitable for underground continuous wall and TRD to link up the stagnant water construction, belongs to civil engineering technical field.
Background
In the process of excavation construction of a foundation pit, an underground diaphragm wall enclosure structure, a TRD enclosure structure and the like are usually adopted for enclosure, water blocking and supporting so as to ensure the safety of engineering construction of the foundation pit. In the engineering construction process, the diaphragm wall or the TRD enclosure structure is reasonably selected according to the geological condition of the foundation pit, but because the structures of two support systems have difference, a construction joint is difficult to avoid between the two support structures, so that the condition of water leakage between the TRD enclosure structure and the diaphragm wall enclosure structure is caused, and the safety of foundation pit construction is endangered. In addition, during the construction process of the building envelope, the problems of collapse of a working groove, insertion deviation of H-shaped steel and the like easily occur.
The following construction problems may be encountered in the construction of connecting the underground diaphragm wall and the TRD for water stop in the water-rich and silt soft soil area: (1) The traditional high-pressure jet grouting pile is low in backfill compaction construction efficiency, and poor in pile forming quality of the high-pressure jet grouting pile due to untimely disposal; (2) The traditional underground diaphragm wall guide wall foundation trench support is supported by a wood support system, has the defects of infirm and the like, and easily causes the collapse of the foundation trench; (3) The construction of the connection section in a water-rich environment needs effective water stopping measures, so that the influence on the construction quality of the connection section is reduced; (4) Traditional linking section stagnant water effect is not good, and the seepage disease probably appears, and then influences the construction safety among the foundation ditch excavation process.
In view of this, to a series of problems that appear when underground continuous wall links up stagnant water construction with the TRD, urgent need treat utility model a simple effectual underground continuous wall links up stagnant water architecture with the TRD, improves the security of foundation ditch excavation construction, especially to rich water and the soft soil zone foundation ditch excavation construction of silt matter, has showing the advantage of practicing thrift construction cost, accelerating the construction progress and improving construction safety performance.
Disclosure of Invention
The utility model aims to improve the security of foundation ditch excavation construction, especially to rich water and the soft soil zone foundation ditch excavation construction of silt matter, have showing the advantage of practicing thrift construction cost, accelerating the construction progress and improving the construction safety performance.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the underground diaphragm wall and TRD joint water stop system structure comprises high-pressure rotary spraying piles arranged on two sides of a foundation trench of the underground diaphragm wall, a movable support quick recharge structure for performing slurry supplementing and slurry pressing on the high-pressure rotary spraying piles, a closed loop water stop structure on the outer side of the high-pressure rotary spraying piles, an inner-pasted water stop steel plate structure and a special-shaped joint water stop steel structure; the underground diaphragm wall foundation groove is used for placing a reinforcement cage and forming an underground diaphragm wall by pouring concrete; the special-shaped connection water-stop steel structure is arranged at the connection position of the diaphragm wall and the TRD construction method pile; the outer side closed-loop water stop structure of the high-pressure jet grouting pile comprises a closed-loop steel sheet pile arranged on the outer side of the high-pressure jet grouting pile, and the closed-loop steel sheet pile is enclosed on the outer side of a joint of a diaphragm wall and a TRD construction method pile; and a grouting pipe is arranged on the inner side of the closed-loop steel sheet pile.
Preferably, the prefabricated wall also comprises a groove-shaped steel supporting system or an assembled internal supporting guide wall structure for stably supporting the foundation groove of the diaphragm wall.
Preferably, the groove-shaped section steel supporting system comprises a crossheading section steel and a deformed steel plate, the crossheading section steel is arranged on the inner walls of two sides of the foundation trench of the diaphragm wall, a steel panel is arranged on the upper end surface of the crossheading section steel, the steel panel is laid on the ground on two sides of the upper end of the foundation trench of the diaphragm wall, and the steel panel is fixed with the ground through an anchor; the special-shaped steel plates are arranged on the inner walls of the two sides of the foundation trench of the diaphragm wall, the special-shaped steel plates are tightly attached to the side walls of the channel section steel, the special-shaped steel plates are sequentially laid along the length direction of the foundation trench of the diaphragm wall, and a steel plate connecting seam is formed between every two adjacent special-shaped steel plates; and an inner supporting section steel is arranged between the two opposite special-shaped steel plates.
Preferably, the fabricated inner-supporting guide wall structure comprises guide wall steel plates, a cross rod and section steel, wherein the guide wall steel plates are arranged on guide walls on two sides of a foundation trench of the diaphragm wall, inclined lug plates and second lug plates are arranged on the guide wall steel plates, the second lug plates are arranged below the inclined lug plates, one end of the cross rod is connected with the second lug plates through bolts, and angle steel is welded at the other end of the cross rod; the inclined ear plates are connected with the upper parts of the section steels through the loose connectors, the bottoms of the section steels are tightly attached to the angle steels and connected with the angle steels, and the transverse supporting rods are transversely supported between the section steels on two sides.
Preferably, the movable support quick recharging structure comprises a support body, and a movable body is arranged on the support body; the frame body is provided with a winch, one end of the cable is connected with the winch, and the other end of the cable is connected with the tank body; the tank returning body is of a box body structure, the upper end of the tank returning body is provided with a grouting hole, a cavity is arranged inside the tank returning body, the bottom of the tank returning body is provided with a grout outlet, and two sides of the tank returning body are provided with first lug plates; an expansion link is arranged between the first ear plate on one side of the tank body and the frame body, and a positioning rod is arranged between the first ear plate on the other side of the tank body and the frame body.
Preferably, the structure internally adhered with the water stop steel plate comprises the water stop steel plate, the water stop steel plate is arranged between the foundation trench of the diaphragm wall and the high-pressure jet grouting pile, and the bottom of one side of the water stop steel plate is provided with a sleeve; the sleeve is vertically arranged, and the steel bar penetrates through the sleeve and is implanted into a soil body; the top of stagnant water steel sheet is provided with L shape reinforcing bar, and L shape reinforcing bar welds on stagnant water steel sheet, and L shape reinforcing bar is implanted in the soil body.
Preferably, the special-shaped connection water-stop steel structure comprises special-shaped steel, the special-shaped steel consists of oblique steel plates, vertical steel plates and transverse steel plates, the two oblique steel plates are welded at one ends of the vertical steel plates to form a Y-shaped structure, and the other ends of the vertical steel plates are vertically welded with the transverse steel plates; the special-shaped section steel is arranged at the joint of the diaphragm wall and the TRD construction method pile.
The utility model has the following characteristics and beneficial effect:
1. the trench-shaped steel supporting system or the assembled internal-supporting guide wall structure is adopted in the foundation trench supporting construction of the diaphragm wall, so that the supporting efficiency is improved.
2. The movable support quick recharging structure is adopted to carry out recharging construction on the high-pressure rotary spraying pile, recharging construction steps are simplified, construction efficiency is improved, and construction quality of the high-pressure rotary spraying pile is guaranteed.
3. Adopt high pressure jet grouting pile outside closed loop stagnant water structure, realized linking up the quick stagnant water of section, guaranteed the construction safety in the diaphragm wall foundation ditch excavation process.
4. Adopt special-shaped steel structure at the linking section, guaranteed linking section construction quality, improved linking section stagnant water effect.
Drawings
FIG. 1 is a schematic view of the groove-forming type steel supporting system of the present invention;
FIG. 2 is a schematic structural view of the assembled inner supporting guide wall of the present invention;
FIG. 3 is a schematic view of the structure of the movable frame for quick recharge of the present invention;
FIG. 4 is a schematic view of the structure of the tank body of the present invention;
FIG. 5 is a schematic view of the water stopping construction at the junction of the present invention;
FIG. 6 is a schematic view of the construction of the junction of the present invention;
wherein: 1. the concrete pile comprises channel steel, 2. Inner supporting section steel, 3. Steel plate connecting joints, 4. Deformed steel plates, 5. Steel panels, 6. Top surface inner supporting section steel, 7. Anchors, 8. Grooves, 9. Moving bodies, 10. Grouting holes, 11. Frame bodies, 12. Cables, 13. Windlasses, 14. Pulleys, 15. Telescopic rods, 16. Positioning rods, 17. First lug plates, 18. Backfill bodies, 19. High-pressure jet grouting piles, 20. Grout outlets, 21. Steel plates, 22. Closed bodies, 23. Cross rods, 24. Cross support rods, 25. Steel, 26. Loose connectors, 27. Wall guide steel plates, 28. Oblique lug plates, 29. Diaphragm wall soil, 30. Second lug plates, 31. Angle steels, 32. Steel bars, 33. Steel bar cages, 34. Grouting pipes, 35. Closed loop steel plate piles, 36.L-shaped steel bars, 37. Water stop steel plates, 38. Sleeves, 39. Oblique steel plates, 40. Vertical steel plates, 41. Transverse steel plates, 42. Deformed steel plates, 43.TRD piles.
Detailed Description
Example one
The utility model relates to an underground continuous wall and TRD link up stagnant water system architecture, including setting up in the high pressure jet grouting pile 19 of diaphragm wall foundation ditch both sides, be used for carrying on the groove design shaped steel support system or the assembled internal stay guide wall structure that stabilizes the support to diaphragm wall foundation ditch, be used for carrying on the quick recharge structure of mobile support, high pressure jet grouting pile outside stagnant water closed loop structure, interior paste stagnant water steel sheet structure and the dysmorphism linking up stagnant water shaped steel structure of thick liquid to high pressure jet grouting pile 19; the underground diaphragm wall foundation groove is used for arranging a reinforcement cage 33 and forming an underground diaphragm wall through concrete pouring; the special-shaped connection water-stop steel structure is arranged at the connection position of the diaphragm wall and the TRD construction method pile.
As shown in fig. 1, after the foundation trench 8 of the diaphragm wall is excavated, the foundation trench can be supported by a trench-shaped steel support system; the groove-shaped section steel supporting system comprises a down-cut groove section steel 1 and a special-shaped steel plate 4, when a groove 8 is excavated, the down-cut groove section steel 1 is arranged on the inner walls of two sides of the groove 8, the down-cut groove section steel 1 is made of I-shaped steel, and the down-cut groove section steel 1 is arranged along the length direction of the groove 8; a steel panel 5 is arranged on the upper end surface of the crossheading section steel 1, the steel panel 5 is laid on the ground on two sides of the upper end of the groove 8, and the steel panel 5 is fixed with the ground through an anchor 7; the deformed steel plates 4 are arranged on the inner walls of two sides of the groove 8, the deformed steel plates 4 are tightly attached to the side wall of the channel steel 1, the deformed steel plates 4 are sequentially laid along the length direction of the groove 8, and a steel plate connecting seam 3 is formed between every two adjacent deformed steel plates 4. An inner supporting section steel 2 is arranged between the two opposite special-shaped steel plates 4, and a top surface inner supporting section steel 6 is arranged above the steel plate connecting seam 3.
As shown in fig. 2, after the underground diaphragm wall soil body 29 is excavated, an underground diaphragm wall foundation trench is formed, and the underground diaphragm wall foundation trench can also be supported by an assembled internal support guide wall structure; the assembled inner-supporting guide wall structure comprises guide wall steel plates 27, cross rods 23 and section steel 25, wherein the guide wall steel plates 27 are installed on guide walls on two sides of a foundation trench of the underground diaphragm wall, inclined lug plates 28 and second lug plates 30 are arranged on the guide wall steel plates 27, the second lug plates 30 are arranged below the inclined lug plates 28, one end of each cross rod 23 is connected with the corresponding second lug plate 30 through a bolt, and the cross rods 23 are horizontally arranged; the other end of the cross rod 23 is welded with an angle steel 31; the inclined ear plate 28 is connected with the upper part of the steel section 25 through the loose connector 26, the bottom of the steel section 25 is tightly attached to the angle steel 31 and connected with the angle steel 31, and the transverse stay bar 24 is transversely supported between the steel sections 25 on two sides. The loose connector 26, i.e. loose joint, used in the present application is a commonly used connector in the engineering field, which is the prior art.
As shown in fig. 3 and 4, the movable bracket quick-recharging structure comprises a bracket body 11, wherein a moving body 9 is arranged on the bracket body 11; in the utility model, the moving body 9 is a wheel arranged at the lower end of the frame body 11, and the moving body can facilitate the movement of the frame body 11; a winch 13 is arranged on the frame body 11, one end of a cable 12 is connected with the winch 13, and the other end of the cable is connected with the tank returning body 18; the frame body 11 is provided with a pulley 14, the cable 12 is wound around the pulley 14, and the direction of the cable 12 is changed by the pulley 14. The returnable tank body 18 is formed by welding six steel plates 21, the returnable tank body 18 is of a box structure, the upper end of the returnable tank body 18 is provided with a grouting hole 10, a cavity is arranged inside the returnable tank body 18, the bottom of the returnable tank body 18 is provided with a grout outlet 20, the grout outlet 20 occupies half of the bottom of the returnable tank body 18, and the area of the bottom of the returnable tank body 18 except the grout outlet 20 is a closed body 22. The two sides of the tank returning body 18 are provided with first ear plates 17; an expansion link 15 is arranged between the first ear plate 17 at one side of the tank returning body 18 and the frame body 11, and a positioning rod 16 is arranged between the first ear plate 17 at the other side of the tank returning body 18 and the frame body 11. The telescopic rod 15 and the positioning rod 16 are arranged along the vertical direction, the telescopic rod 15 can move in a telescopic manner, the lower end of the telescopic rod 15 is in bolted connection with a first ear plate 17 on one side of the tank returning body 18, the upper end of the telescopic rod 15 is fixedly connected with the frame body 11, and the telescopic rod 15 plays a role in guiding the movement of the tank returning body 18; the positioning rod 16 is composed of two rod bodies, adjusting grooves are formed in the two rod bodies, the two rod bodies are connected through bolts, the bolts penetrate through the adjusting grooves in the two rod bodies, the length of the positioning rod 16 is adjustable, and locking or loosening between the two rod bodies is achieved through the bolts. The winch 13 drives the tank returning body 18 to move up and down, the telescopic rod 15 guides the tank returning body 18 to move up and down, and when the tank returning body 18 moves to a set height, the bolt on the positioning rod 16 is locked, so that the tank returning body 18 is fixed at the height position.
As shown in fig. 5, the high-pressure jet grouting piles 19 are arranged on both sides of the foundation trench of the diaphragm wall and the TRD method piles 43, the outer closed-loop water stop structure includes closed-loop steel sheet piles 35 arranged on the outer side of the high-pressure jet grouting piles 19, and the closed-loop steel sheet piles 35 are enclosed on the outer side of the joint of the diaphragm wall and the TRD method piles 43; and arranging a grouting pipe 34 on the inner side of the closed-loop steel sheet pile 35, wherein the grouting pipe 34 is tightly attached to the inner side of the closed-loop steel sheet pile 35.
As shown in fig. 5, the structure internally adhered with the water stop steel plate comprises the water stop steel plate 37, the water stop steel plate 37 is arranged between the foundation trench of the diaphragm wall and the high-pressure jet grouting pile 19, the bottom of one side of the water stop steel plate 37 is provided with a sleeve 38, and the other side of the water stop steel plate 37 is implanted with the steel bar 32; the sleeve 38 is welded on the water stop steel plate 37, the sleeve 38 is vertically arranged, and the steel bars penetrate through the sleeve 38 and are implanted into soil; the top of the water stop steel plate is provided with an L-shaped steel bar 36, the L-shaped steel bar 36 is welded on the water stop steel plate 37, and the L-shaped steel bar 36 is implanted into soil.
As shown in fig. 6, the special-shaped connection water-stop steel structure comprises special-shaped steel 42, the special-shaped steel 42 is composed of oblique steel plates 39, vertical steel plates 40 and transverse steel plates 41, the two oblique steel plates 39 are welded at one ends of the vertical steel plates 40 to form a Y-shaped structure, and the other ends of the vertical steel plates 40 are vertically welded with the transverse steel plates 41; the special-shaped section steel 42 is welded with the reinforcement cage 33, the reinforcement cage 33 is placed in a foundation trench of the diaphragm wall, and the special-shaped section steel 42 is arranged at the joint of the diaphragm wall and the TRD construction method pile 43.
Example two
The construction method of the underground continuous wall and TRD connection water stop system comprises the following steps:
(1) Constructing a high-pressure jet grouting pile; after the field leveling and construction measurement procedures are completed, the high-pressure rotary jet drilling machine is in place, the high-pressure rotary jet drilling machine carries out guniting construction on the drilling machine after being in place, the guniting construction is completed by adopting the flow of guniting firstly, then rotating and lifting, and a quick recharge structure of a movable support is adopted for grout supplementing and grouting, so that the construction of a high-pressure rotary jet pile is completed; and then the high-pressure jet grouting drilling machine is shifted to the next pile construction, and the circulation is repeated until the construction of all the high-pressure jet grouting piles is completed.
In the step, two rows of high-pressure jet grouting piles 19 are required to be constructed totally, and the area between the two rows of high-pressure jet grouting piles 19 is used for excavating the foundation trench of the diaphragm wall.
When the movable support quick recharging structure is used for slurry supplementing and grouting, the concrete method comprises the following steps: moving the frame body 11 to the position above the high-pressure rotary jet grouting pile just after the guniting construction is finished, adjusting the height of the tank returning body 18 through the winch 13 to enable the lower end of the tank returning body 18 to be tightly attached to the upper end surface of the high-pressure rotary jet grouting pile 19, and then locking the positioning rod 16 to enable the tank returning body 18 to be fixed at the height position; grouting the slurry into the backwater tank 18 through the grouting holes 10, and enabling concrete slurry to flow out of a slurry outlet 20 at the lower end of the backwater tank 18 to supplement and press the slurry for the high-pressure rotary jet grouting pile 19; after the grout is supplemented and the grout is pressed, the frame body is transferred to the position above the next high-pressure rotary spraying pile 19 through the moving body, and grout supplementing and pressing construction is carried out on the next high-pressure rotary spraying pile 19.
(2) Constructing the diaphragm wall; and excavating the foundation trench of the diaphragm wall between the two rows of high-pressure jet grouting piles 19, adopting an assembled inner-support guide wall structure or a groove-shaped steel support system to realize the quick and stable support of the foundation trench after excavating the foundation trench of the diaphragm wall, hoisting a reinforcement cage into the foundation trench of the diaphragm wall, and pouring concrete to complete the construction of the diaphragm wall.
(3) Water stopping construction of the connecting section; and arranging a closed loop steel sheet pile 35 outside the high-pressure jet grouting pile for water stopping, arranging a grouting pipe 34 inside the closed loop steel sheet pile 35, and grouting the soil body through the grouting pipe if the water stopping effect is not good after the closed loop steel sheet pile is constructed.
(4) Constructing a joint; welding the special-shaped section steel 42 and the reinforcement cage 33, and synchronously lowering the special-shaped section steel 42 and the reinforcement cage 33 into a foundation trench of the underground diaphragm wall, wherein the special-shaped section steel 42 is arranged at the joint of the underground diaphragm wall and the TRD construction method pile 43; and pouring concrete at the joint to finish construction at the joint.

Claims (7)

1. The underground continuous wall and TRD joint water stop system structure is characterized by comprising high-pressure rotary spraying piles (19) arranged on two sides of a foundation trench of the underground continuous wall, a movable support quick recharge structure for performing slurry supplement and slurry pressing on the high-pressure rotary spraying piles (19), a closed loop water stop structure on the outer side of the high-pressure rotary spraying piles, an internally adhered water stop steel plate structure and a special-shaped joint water stop steel structure; the underground diaphragm wall foundation groove is used for placing a reinforcement cage (33) and forming an underground diaphragm wall by pouring concrete; the special-shaped connection water-stop steel structure is arranged at the connection position of the diaphragm wall and the TRD construction method pile (43); the outer side closed-loop water stop structure of the high-pressure jet grouting pile comprises a closed-loop steel sheet pile arranged on the outer side of the high-pressure jet grouting pile (19), and the closed-loop steel sheet pile (35) is enclosed on the outer side of the joint of the diaphragm wall and the TRD construction method pile (43); and a grouting pipe (34) is arranged on the inner side of the closed-loop steel sheet pile (35).
2. The underground continuous wall and TRD (blast furnace top gas recovery device) jointed water stop system structure according to claim 1, further comprising a groove-shaped section steel supporting system or an assembled inner-supporting guide wall structure for stably supporting the foundation groove of the underground continuous wall.
3. The underground continuous wall and TRD (top gas recovery device) connection water stop system structure according to claim 2, wherein the groove-shaped profiled bar support system comprises a crossheading profiled bar (1) and profiled steel plates (4), the crossheading profiled bar (1) is arranged on the inner walls of two sides of the foundation trench of the underground continuous wall, a steel panel (5) is arranged on the upper end surface of the crossheading profiled bar (1), the steel panel (5) is laid on the ground on two sides of the upper end of the foundation trench of the underground continuous wall, and the steel panel (5) is fixed with the ground through an anchor (7); the special-shaped steel plates (4) are arranged on the inner walls of the two sides of the foundation trench of the diaphragm wall, the special-shaped steel plates (4) are tightly attached to the side walls of the crossheading channel steel (1), the special-shaped steel plates (4) are sequentially laid along the length direction of the foundation trench of the diaphragm wall, and a steel plate connecting seam (3) is formed between every two adjacent special-shaped steel plates (4); an inner supporting section steel (2) is arranged between the two opposite special-shaped steel plates (4).
4. The underground continuous wall and TRD (top tree) connection water stop system structure according to claim 2, wherein the fabricated inner-supporting guide wall structure comprises guide wall steel plates (27), cross rods (23) and section steel (25), the guide wall steel plates (27) are installed on the guide walls on two sides of the foundation trench of the underground continuous wall, inclined lug plates (28) and second lug plates (30) are arranged on the guide wall steel plates (27), the second lug plates (30) are arranged below the inclined lug plates (28), one end of each cross rod (23) is connected with the corresponding second lug plate (30) through bolts, and angle steel (31) is welded at the other end of each cross rod (23); the inclined ear plate (28) is connected with the upper part of the section steel (25) through the flexible connecting body (26), the bottom of the section steel (25) is tightly attached to the angle steel (31) and connected with the angle steel (31), and the transverse stay bar (24) is transversely supported between the section steel (25) on the two sides.
5. The underground continuous wall and TRD (blast furnace top gas recovery device) connection water stopping system structure according to claim 1, wherein the movable support quick recharging structure comprises a support body (11), and a movable body (9) is arranged on the support body (11); a winch (13) is arranged on the frame body (11), one end of a cable (12) is connected with the winch (13), and the other end of the cable is connected with the tank returning body (18); the tank returning body (18) is of a box body structure, the upper end of the tank returning body (18) is provided with a grouting hole (10), a cavity is arranged inside the tank returning body (18), the bottom of the tank returning body (18) is provided with a grout outlet (20), and two sides of the tank returning body (18) are provided with first lug plates (17); an expansion link (15) is arranged between the first ear plate (17) at one side of the tank returning body (18) and the frame body (11), and a positioning rod (16) is arranged between the first ear plate (17) at the other side of the tank returning body (18) and the frame body (11).
6. The underground continuous wall and TRD (blast furnace Top gas recovery/Water recovery) connection water stop system structure according to claim 1, wherein the internal adhered water stop steel plate structure comprises a water stop steel plate (37), the water stop steel plate (37) is arranged between the underground continuous wall foundation trench and the high-pressure jet grouting pile (19), and a sleeve (38) is arranged at the bottom of one side of the water stop steel plate (37); the sleeve (38) is vertically arranged, and the steel bars penetrate through the sleeve (38) and are implanted into soil; the top of the water stop steel plate is provided with an L-shaped steel bar (36), the L-shaped steel bar (36) is welded on the water stop steel plate (37), and the L-shaped steel bar (36) is implanted into a soil body.
7. The underground continuous wall and TRD (top gas recovery d) jointed water stopping system structure according to claim 1, wherein the special-shaped jointed water stopping steel structure comprises special-shaped steel (42), the special-shaped steel (42) consists of oblique steel plates (39), vertical steel plates (40) and transverse steel plates (41), two oblique steel plates (39) are welded at one end of each vertical steel plate (40) to form a Y-shaped structure, and the other end of each vertical steel plate (40) is vertically welded with the transverse steel plate (41); the special-shaped section steel (42) is arranged at the joint of the diaphragm wall and the TRD construction method pile (43).
CN202223040007.5U 2022-11-15 2022-11-15 Underground continuous wall and TRD link up stagnant water architecture Active CN218562366U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223040007.5U CN218562366U (en) 2022-11-15 2022-11-15 Underground continuous wall and TRD link up stagnant water architecture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223040007.5U CN218562366U (en) 2022-11-15 2022-11-15 Underground continuous wall and TRD link up stagnant water architecture

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Publication Number Publication Date
CN218562366U true CN218562366U (en) 2023-03-03

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