CN217811160U

CN217811160U - Pile pressing beam, sheet pile combined wall and mould for manufacturing pile pressing beam

Info

Publication number: CN217811160U
Application number: CN202122469597.2U
Authority: CN
Inventors: 俞盈盈; 俞晓东
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-11-15
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to a pile pressing beam, including prefabricated concrete beam body (1), its characterized in that: the concrete beam body's (1) bottom is equipped with draw-in groove (11) that can block and put at the top of sheet pile wall, concrete beam body (1) is gone up and is provided with a plurality of connect the via hole (12) along length direction interval. The clamping groove at the bottom of the concrete beam body can conveniently clamp the concrete beam body at the top of the sheet pile wall, so that pre-positioning is realized; the connecting through hole is convenient to insert and fix the connecting part into the connecting through hole so as to realize firm and fixed connection with the sheet pile wall; the concrete beam body is prefabricated, and can be used on the sheet pile wall fast and conveniently. The utility model discloses still relate to a sheet pile composite wall and make the mould of aforementioned pile pressing roof beam.

Description

Pile pressing beam, sheet pile combined wall and mould for manufacturing pile pressing beam

Technical Field

The utility model belongs to the technical field of the pile foundation engineering of all kinds of building structure systems, especially, relate to a pile pressing beam, the utility model discloses still relate to an adopt the sheet pile combination wall of this pile pressing beam, this sheet pile combination wall is formed by many concrete pile body concatenations, can regard as bank dyke revetment, foundation ditch enclosure and piping lane to use, the utility model discloses further relate to make the mould of aforementioned pile pressing beam.

Background

The construction of large-scale underground buildings, side slopes, tunnels, harbor quay walls, riverway revetments and the like requires temporary or permanent enclosure of the foundations of the buildings or the surrounding buildings. Most of the currently adopted bank protection walls adopt a plurality of reinforced concrete circular piles combined with cement mixing piles and then inserted into soil to form enclosure walls, and also adopt a plurality of T-shaped piles or U-shaped sheet piles or cement mixing piles manufactured by an SMW construction method to be inserted into soil to form enclosure walls.

At present, there is also a bank protection wall formed by H-shaped support piles sequentially connected with each other through a rib groove inserting structure, for example, a bank protection wall form is disclosed in a chinese utility model patent "H-shaped support pile connection structure" with a patent number of ZL201320461012.5 (with a publication number of CN 203559411U), and a plurality of H-shaped support piles are sequentially spliced together without gaps through a splicing structure. The H-shaped pile has many advantages of good mechanical property.

The existing revetment formed by mutually splicing H-shaped piles is not attractive in appearance due to the fact that pile heads are directly exposed, the pile heads are easy to damage in the piling process, and pile pressing beams are generally arranged at the top of a protective wall for guaranteeing the connection firmness of adjacent H-shaped piles, can link the pile heads of all piles together and play a role in beautifying the left and right sides of the pile heads. The existing pile pressing beam is formed at the top of the protective wall in a pouring mode, a frame needs to be built, then concrete needs to be poured, the construction quantity is large, the cost is high, and the efficiency is extremely low. Especially, when the sheet pile wall is completely sunk into the water bottom in a use scene, cofferdams need to be arranged around if a pile pressing beam needs to be poured and formed, and then the pile pressing beam is formed, so that the construction is more complicated, and the cost is extremely high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that to above-mentioned prior art current situation and provide a structural design is reasonable and prefabricated, convenient and the firm pile pressing roof beam of being connected in top of sheet pile wall.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a pile pressing beam, includes the prefabricated concrete beam body, its characterized in that: the bottom of the concrete beam body is provided with a clamping groove which can be clamped at the top of the sheet pile wall, and a plurality of connecting through holes are formed in the concrete beam body at intervals along the length direction.

As the rotation, the two ends of the concrete beam body are provided with grooves, and the grooves of the two adjacent concrete beam bodies can form the connecting through holes after being spliced. This connect the through-hole and span two concrete beam bodies, have the connective force between two concrete beam bodies, structural stability is better.

Compared with the prior art, the pile pressing beam has the advantages that: the clamping groove at the bottom of the concrete beam body can conveniently clamp the concrete beam body at the top of the sheet pile wall, so that pre-positioning is realized; the arrangement of the connecting through hole is convenient for inserting and fixing the connecting part into the connecting through hole so as to realize firm and fixed connection with the sheet pile wall; the concrete beam body is prefabricated, and can be used on the sheet pile wall fast and conveniently.

The utility model aims to solve the second technical problem that to above-mentioned prior art current situation and provide a can make things convenient for and firm sheet pile composite wall of being connected with the top of prefabricated pile pressing roof beam and sheet pile wall is firm.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the utility model provides a sheet pile combination wall, includes the sheet pile wall that is formed by many concrete piles concatenation side by side, and the top interval distribution of sheet pile wall has the hole of a plurality of longitudinal extensions, its characterized in that: still include anchor assembly and aforementioned pile pressing roof beam, the concrete beam body is put through the draw-in groove card of its bottom the top of sheet pile wall, at least partly connect the via hole with the hole corresponds, anchor assembly top-down insert connect the via hole with correspond in the hole and with the concrete beam body with the sheet pile wall is connected.

Alternatively, the anchoring member is a precast concrete block, or a rod member, or a concrete member poured in the connecting through hole and the hole. Each anchoring part has advantages and disadvantages in structural form, and is selected according to construction requirements.

In a further improvement, an expansion pipe is arranged between the side wall of the sheet pile wall and the inner wall of the clamping groove, and expansion media are filled in the expansion pipe to enable the expansion pipe to swell. After the expansion pipe is expanded, the expansion pipe is tightly tensioned on the side wall of the pile wall and the inner wall of the clamping groove, so that the firmness of the combination of the concrete beam body and the sheet pile wall is effectively improved.

In a further improvement, the concrete beam body is provided with a first through hole, the first through hole longitudinally penetrates and is communicated with the clamping groove, and the end part of the expansion pipe penetrates upwards through the first through hole. The end part of the expansion pipe upwards passes through the first through hole, so that the injection end of the expansion pipe is upwards, and an expansion medium is conveniently poured into the expansion pipe above the concrete beam body.

The inner wall of the clamping groove is provided with a second through hole which is transversely penetrated, and a binding rope for binding the expansion pipe passes through the second through hole. The construction personnel bind and fix the unexpanded expansion pipe on the inner wall of the clamping groove in advance, lay the concrete beam body on the top of the sheet pile wall, then cut off the binding rope, pour the expansion medium into the expansion pipe, expand the expanded expansion pipe, and then tighten the expansion pipe on the side wall of the pile wall and the inner wall of the clamping groove, so as to complete the firm pre-fixation of the pile pressing beam. If the expansion pipe is not bound and fixed in advance, the expansion pipe is easy to fall off.

Preferably, the concrete piles have longitudinally extending groove portions, and the space enclosed by the groove portions of two adjacent concrete piles forms the hole. The hole is formed at the splicing position of the two concrete piles, the anchoring piece enables the two concrete piles to have connecting force mutually, and the integral strength of the plate pile wall is better.

Preferably, the cross section of the concrete pile is H-shaped or i-shaped. The H-shaped prestressed concrete pile is provided with two flanges and a web plate for connecting the two flanges, the cross section of the H-shaped prestressed concrete pile is in an H shape formed by the two flanges and the web plate for connecting the two flanges, and the two flanges and the web plate form groove parts extending along the length direction of a pile body on two sides of the H-shaped prestressed concrete pile. Of course, the two outer side walls of the rectangular pile may be directly provided with groove portions to be in an i shape.

Alternatively, the concrete pile is a hollow polygonal pile, and a central hole in the concrete pile forms the hole. If the concrete pile is formed by centrifugal molding, the central hole is a centrifugal hole. Of course, a hole can be formed on the top of the concrete pile by using a core pulling method.

Compared with the prior art, the sheet pile combination wall has the advantages that: the holes distributed at intervals at the top of the sheet pile wall are aligned with the connecting through holes in the pile pressing beams, the anchoring parts are inserted into the connecting through holes and the corresponding holes from top to bottom to connect the concrete beam body with the sheet pile wall, the prefabricated pile pressing beams can be quickly and conveniently fixed on the sheet pile wall, the construction is convenient and quick, and the construction cost is greatly reduced.

The utility model aims to solve the third technical problem that to above-mentioned prior art current situation and provide a structural design is reasonable and can make things convenient for the shaping to go out the mould of aforementioned pile pressing roof beam.

The utility model provides a technical scheme that above-mentioned third technical problem adopted does: a mould for manufacturing a pile pressing beam is characterized in that: comprises a bottom plate and side plates positioned at the left side and the right side of the bottom plate; the bottom plate is provided with a first boss protruding upwards and used for forming the clamping groove, and the first boss is provided with a plurality of second bosses at intervals along the length direction and used for forming the connecting through holes.

In order to facilitate demoulding of the pile pressing beam, the left side wall and the right side wall of the first boss are provided with first draft angles; and the left side wall, the right side wall, the front side wall and the rear side wall of the second boss are provided with second draft angles.

In a further improvement, baffles are arranged in a cavity formed by the bottom plate, the left side plate and the right side plate at intervals in the front and back direction, the baffles restrain the front side and the back side of the pile pressing beam, and the baffles are provided with third bosses used for forming the grooves at the end parts of the concrete beam body. The baffle is arranged to separate a plurality of cavities in the cavity, so that a plurality of pile pressing beams can be conveniently manufactured in one die, and two adjacent pile pressing beams are separated by the baffle.

As an improvement, the side plates are hinged to the bottom plate, and after the two side plates are turned to vertical positions, the tops of the two side plates are connected together through a connecting piece, so that a cavity is formed between the bottom plate and the two side plates. The side plates are hinged with the side edges of the bottom plate, so that the mold is convenient to open, the interior of the mold is cleaned, and meanwhile, demolding is also convenient.

Compared with the prior art, the mold has the advantages that: the bottom plate and the side plates on two sides form a cavity, the first bosses can form clamping grooves, the second bosses can form connecting through holes, and the whole die is simple and reasonable in structure.

Drawings

Fig. 1 is a schematic perspective view of a pile pressing beam according to a first embodiment;

fig. 2 is a schematic perspective view of a second embodiment of a pile pressing beam;

FIG. 3 is a side view of a second embodiment of a pile beam;

fig. 4 is a schematic perspective view of a sheet pile composite wall according to a first embodiment;

FIG. 5 is a top view of a first embodiment of a sheet pile composite wall;

fig. 6 is an exploded perspective view of the first embodiment of the sheet pile composite wall;

fig. 7 is a side view of a first embodiment of a sheet pile composite wall;

fig. 8 is a top view of a concrete pile in the first embodiment of the sheet pile composite wall;

fig. 9 is a schematic perspective view of a second embodiment of the sheet pile composite wall;

fig. 10 is an exploded perspective view of a second embodiment of a sheet pile composite wall;

fig. 11 is a schematic perspective view of a mold for manufacturing a pile pressing beam;

fig. 12 is an exploded perspective view of a mold for manufacturing a pile pressing beam.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1, a first embodiment of a pile driving beam is shown.

A pile pressing beam comprises a prefabricated concrete beam body 1 which is approximately rectangular, wherein the bottom of the concrete beam body 1 is provided with a clamping groove 11 which can be clamped at the top of a sheet pile wall, the concrete beam body 1 is provided with a plurality of connecting through holes 12 at intervals along the length direction, and the number of the connecting through holes 12 is three. The concrete beam body 1 is provided with a first through hole 14, and the first through hole 14 longitudinally penetrates through the connecting clamping groove 11. The inner wall of the clamping groove 11 is provided with a second through hole 15 which transversely penetrates through the clamping groove.

The clamping groove 11 at the bottom of the concrete beam body 1 can be used for conveniently clamping the concrete beam body 1 at the top of the sheet pile wall to realize pre-positioning; the connecting through hole 12 is arranged to facilitate the insertion and fixation of the connecting part into the connecting through hole 12 to achieve firm and fixed connection with the sheet pile wall; the concrete beam body 1 is prefabricated, and can be quickly and conveniently used on a sheet pile wall.

As shown in fig. 2-3, a second embodiment of a pile driving beam is shown.

The present embodiment differs from the first embodiment of the pile driving beam in that: the concrete beam body 1 both ends are equipped with recess 13, can form after the recess 13 concatenation of two adjacent concrete beam bodies 1 connect through-hole 12.

As shown in fig. 4 to 8, a first embodiment of the sheet pile composite wall is shown.

A sheet pile composite wall comprises a sheet pile wall 2 formed by splicing a plurality of concrete piles 3 side by side, a plurality of longitudinally extending holes 21 are distributed at the top of the sheet pile wall 2 at intervals, the cross section of each concrete pile 3 in the embodiment is H-shaped and comprises two flanges 31 and a web 32 connecting the two flanges 31, the cross section of each H-shaped prestressed concrete pile 3 is H-shaped and consists of the two flanges 31 and the web 32 connecting the two flanges 31, and the two flanges 31 and the web 32 form groove parts 33 extending along the length direction of a pile body on the left side and the right side of the H-shaped prestressed concrete pile 3. The space enclosed by the groove parts 33 of two adjacent concrete piles 3 forms the hole 21.

The pile pressing beam further comprises an anchoring piece 4 and the pile pressing beam of the second embodiment, the concrete beam body 1 is clamped at the top of the sheet pile wall 2 through a clamping groove 11 at the bottom of the concrete beam body, at least one part of the connecting through hole 12 corresponds to the hole 21, and the cross section area of the connecting through hole 12 is larger than that of the hole 21, so that the hole 21 is completely positioned in the connecting through hole 12. The anchoring members 4 are inserted into the connecting through-holes 12 and the corresponding holes 21 from the top down to connect the concrete girder 1 with the sheet pile wall 2.

The anchoring member 4 is a precast concrete block, or a rod member, or a concrete member poured in the connecting through-hole 12 and the hole 21. It is preferred to use concrete members cast in place in the connecting through holes 12 and the holes 21.

An expansion pipe 5 is arranged between the side wall 2a of the sheet pile wall 2 and the inner wall 11a of the clamping groove 11, and expansion media are filled in the expansion pipe 5 to enable the expansion pipe 5 to swell. The expansion pipe 5 may be similar to a fire hose. The concrete beam body 1 is provided with a first through hole 14, the first through hole 14 longitudinally penetrates through the communicating clamping groove 11, and the end part of the expansion pipe 5 penetrates upwards through the first through hole 14.

The inner wall of the clamping groove 11 is provided with a second through hole 15 which transversely penetrates through the clamping groove, the second through hole 15 is used for a binding rope for binding the expansion pipe 5 to penetrate through, the second through holes 15 are divided into a plurality of groups, and each group is provided with two second through holes 15 which are arranged at intervals up and down. The constructor binds the unexpanded expansion pipe 5 to the inner wall 11a of the clamping groove 11 in advance, puts the concrete beam body 1 on the top of the sheet pile wall 2, then cuts off the binding rope, fills an expansion medium into the expansion pipe 5, expands the expanded expansion pipe 5, and then tightly tightens the expansion pipe on the side wall of the sheet pile wall 2a and the inner wall 11a of the clamping groove 11 to complete the firm pre-fixation of the pile pressing beam. If the expansion pipe 5 is not bound and fixed in advance, the expansion pipe 5 is easy to fall off.

Of course, the concrete piles 3 with rectangular cross sections may be formed with longitudinally extending grooves 33 on both sides thereof, and the space surrounded by the grooves 33 of two adjacent concrete piles 3 constitutes the hole 21.

During construction, buckle the draw-in groove 11 of 1 bottom of the concrete beam body at the top of sheet pile wall 2 to make the hole 21 at the top of sheet pile wall 2 align with the connecting through hole 12 on the pile pressing beam, then form anchor assembly 4 through the concrete part of cast-in-place in connecting through hole 12 and hole 21, make anchor assembly 4 top-down insert in connecting through hole 12 and the corresponding hole 21 and will concrete beam body 1 is connected with sheet pile wall 2, can be fast and conveniently with on the fixed sheet pile wall 2 of prefabricated pile pressing beam, construction convenience is swift, and very big reduction construction cost.

As shown in fig. 9 to 10, a second embodiment of the sheet pile composite wall is shown.

The present embodiment is different from the first embodiment of the sheet pile composite wall in that: the concrete pile 3 is a hollow polygonal pile, and a central hole in the pile forms a hole 21. If the concrete pile 3 is formed by centrifugal molding, the central hole is a centrifugal hole. Of course, a hole may be formed in the top of concrete pile 3 by using a core pulling method.

Fig. 11 to 12 show a specific example of a mold for manufacturing the pile-driving beam of the second embodiment.

A mould for manufacturing a pile pressing beam comprises a bottom plate 6 and side plates 7 positioned on the left side and the right side of the bottom plate 6; the side plates 7 are hinged on the bottom plate, and after the two side plates 7 are turned to vertical positions, the tops of the two side plates 7 are connected together through a connecting piece 71, so that a cavity is formed between the bottom plate 6 and the two side plates 7.

The bottom plate 6 is provided with a first boss 8 which protrudes upwards and is used for forming the clamping groove 11, and a plurality of second bosses 9 which are used for forming the connecting through holes 12 are arranged on the first boss 8 at intervals along the length direction. The left and right side walls of the first boss 8 are both provided with a first draft angle 81; the left and right side walls and the front and rear side walls of the second boss 9 are provided with second draft angles 91.

Baffle 10 is still provided with around the interval in the die cavity that bottom plate 6 and left and right side board 7 constitute, baffle 10 retrains the front and back both sides of pile pressing roof beam, baffle 10 is equipped with and is used for shaping out at concrete beam body 1 tip third boss 101 of recess 13.

It should be noted that in the description of the present embodiment, the terms "front, back", "left, right", "inside, outside", "up, down", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A pile pressing beam comprises a prefabricated concrete beam body (1), and is characterized in that: the concrete beam body's (1) bottom is equipped with draw-in groove (11) that can block and put at the top of sheet pile wall, concrete beam body (1) is gone up and is provided with a plurality of connect the via hole (12) along length direction interval.

2. Pile driving beam according to claim 1, characterised in that: the concrete beam body (1) both ends are equipped with recess (13), can form after recess (13) the concatenation of two adjacent concrete beam bodies (1) connect through-hole (12).

3. The utility model provides a sheet pile combination wall, includes sheet pile wall (2) that are formed by many concrete piles (3) concatenation side by side, the top interval distribution of sheet pile wall (2) has a plurality of longitudinal extension's hole (21), its characterized in that: the pile pressing beam comprises an anchoring piece (4) and the pile pressing beam as claimed in claim 1 or 2, wherein the concrete beam body (1) is clamped at the top of the sheet pile wall (2) through a clamping groove (11) at the bottom of the concrete beam body, at least one part of the connecting through holes (12) correspond to the holes (21), and the anchoring piece (4) is inserted into the connecting through holes (12) and the corresponding holes (21) from top to bottom to connect the concrete beam body (1) and the sheet pile wall (2).

4. The sheet pile composite wall according to claim 3, wherein: the anchoring piece (4) is a precast concrete block or a rod piece or a concrete part poured in the connecting through hole (12) and the hole (21).

5. The sheet pile composite wall according to claim 3, wherein: an expansion pipe (5) is arranged between the side wall (2 a) of the sheet pile wall (2) and the inner wall (11 a) of the clamping groove (11), and expansion media are filled in the expansion pipe (5) to enable the expansion pipe (5) to swell.

6. The sheet pile composite wall according to claim 5, wherein: the concrete beam body (1) is provided with a first through hole (14), the first through hole (14) penetrates and is communicated with the clamping groove (11) longitudinally, and the end part of the expansion pipe (5) penetrates through the first through hole (14) upwards.

7. The sheet pile composite wall according to claim 5, wherein: and a second through hole (15) which transversely penetrates through the inner wall of the clamping groove (11) is formed in the inner wall of the clamping groove (11), and a binding rope for binding the expansion pipe (5) passes through the second through hole (15).

8. The sheet pile composite wall according to claim 3, wherein: the concrete piles (3) are provided with groove parts (33) extending longitudinally, and the space enclosed by the groove parts (33) of two adjacent concrete piles (3) forms the hole (21).

9. The sheet pile composite wall according to claim 8, wherein: the cross section of the concrete pile (3) is H-shaped or I-shaped.

10. The sheet pile composite wall according to claim 3, wherein: the concrete pile (3) is a hollow polygonal pile, and a central hole in the concrete pile forms the hole (21).

11. A mold for manufacturing a pile driving beam according to claim 2, wherein: comprises a bottom plate (6) and side plates (7) positioned at the left side and the right side of the bottom plate (6); the bottom plate (6) is provided with a first boss (8) which protrudes upwards and is used for forming the clamping groove (11), and a plurality of second bosses (9) which are used for forming the connecting through holes (12) are arranged on the first boss (8) at intervals along the length direction of the first boss.

12. The mold for manufacturing a pile driving beam according to claim 11, wherein: the left side wall and the right side wall of the first boss (8) are provided with first draft angles (81); the left side wall, the right side wall, the front side wall and the rear side wall of the second boss (9) are provided with second draft angles (91).

13. The mold for manufacturing a pile driving beam according to claim 11, wherein: baffle plates (10) are arranged in a cavity formed by the bottom plate (6) and the left and right side plates (7) at intervals in the front and back direction, the front and back sides of the pile pressing beam are restrained by the baffle plates (10), and the baffle plates (10) are provided with third bosses (101) used for forming the grooves (13) at the end parts of the concrete beam body (1).

14. The mold for manufacturing a pile driving beam according to claim 11, wherein: the side plates (7) are hinged to the bottom plate, and after the two side plates (7) are turned to vertical positions, the tops of the two side plates (7) are connected together through a connecting piece (71), so that a cavity is formed between the bottom plate (6) and the two side plates (7).