TWI805352B - Dock crown wall template construction and construction method thereof - Google Patents

Abstract

A dock crown wall template construction used to at least one steel pipe pile is provided. The dock crown wall template construction includes at least one a bottom plate, a plurality of first hook adjusters, at least one angle steel bracket group and at least one side mold. The bottom plate includes an arc-shaped notch and a plurality of first embedded angle steel. The arc-shaped notch is fitted to the steel pipe pile. One end of each of the first hook adjusters is connected to a first embedded angle steel, and the other end of each of the first hook adjusters is connected to the steel pipe pile. The angle steel bracket group includes an L-shaped bracket and a triangular bracket, and the L-shaped bracket includes a first side and a second side. The side of the bottom plate is fixed to the first side. The second side is perpendicular to the first side, and the side mold is fixed on the upper surface of the second side.

Description

Wharf Crown Wall Formwork Construction and Its Construction Method Without Underwater Operation

The present invention refers to a wharf crown wall formwork structure and its construction method without underwater operation, in particular to a wharf crown wall formwork structure using an iron base plate and its construction method without underwater operation.

Please refer to FIG. 1A and FIG. 1B. FIG. 1A shows a schematic diagram of a wooden truss 13 arranged above the tripod 12, and FIG. 1B shows a schematic diagram of a wooden truss 13, a bottom form 14, steel pipe piles 15 and side steel molds 16. . The current equipment for installing the crown wall includes a plurality of tripods 12 , a plurality of wooden trusses 13 , a plurality of bottom forms 14 , a plurality of steel pipe piles 15 and a plurality of side steel forms 16 . Wherein, the tripod 12 is, for example, an angle steel, and one end of the tripod 12 is welded to the bottom of the steel pipe pile 14 , and the side steel molds 16 are located on the left and right sides of the steel pipe pile 1 .

In addition, these wooden trusses 13 are fixed parallel to each other above the tripod 12, the wooden trusses 13 and the tripod 12 are arranged perpendicular to each other, and the bottom form 14 is laid on the top of the wooden trusses 13 to carry the structural steel bars and concrete. (not drawn). And, after the concrete is solidified, all the tripods 12, the wooden trusses 13 and the bottom form 14 must be dismantled for recycling.

Yet tripod 12, wooden truss 13 and bottom mold 14 are usually submerged under the water surface, so the assembly and dismantling of tripod 12 all must dive into the underwater operation by divers. As a result, the difficulty of constructing the crown wall becomes higher, resulting in poor construction efficiency. Moreover, the underwater operation also greatly increases the risk of the wharf crown wall operation.

Therefore, how to improve the construction efficiency of crown wall installation and avoid the risk of underwater operation is worth considering by those with ordinary knowledge in the field.

The object of the present invention is to provide a wharf crown wall formwork structure, and the installation equipment helps to improve the construction efficiency of making the crown wall and avoid the risk of underwater operation.

The wharf crown wall formwork structure of the present invention is applied to at least one steel pipe pile, and the wharf crown wall formwork structure includes at least one base plate, a plurality of first hook adjusters, a plurality of second hook adjusters, and at least one angle steel bracket Group and at least one side mold. Wherein, the base plate includes an arc-shaped notch and a plurality of first embedded angle steels, and the arc-shaped notch is attached to the steel pipe pile. In addition, one end of each first hook adjuster is connected to one of the first embedded angle irons, and the other end of each first hook adjuster is connected to the steel pipe pile. The angle steel bracket set includes an L-shaped bracket and a triangular bracket. The L-shaped bracket includes a first side and a second side. The side of the base plate is locked to the first side. The second side is perpendicular to the first side, and the side mold is fixed on the upper surface of the second side. The triangular bracket is a connecting L-shaped bracket, and the lower surface of the base plate leans against the triangular bracket.

The wharf crown wall formwork structure described above is also applied to at least one steel sheet pile, the steel sheet pile is connected to the side of the steel pipe pile, the wharf crown wall formwork structure also includes a plurality of second hook adjusters, and the base plate is also A plurality of second embedded angle irons are included. Wherein, one end of each second hook adjuster is respectively connected with one of the second embedded angle irons, and the other end of each second hook adjuster is connected with the steel sheet pile.

The formwork structure of the wharf crown wall mentioned above also includes a walkway structure, and the walkway structure includes a railing part, a connecting part and a walkway. Wherein, the walkway is connected between the railing part and the connecting part. In addition, the connecting portion is a connecting L-shaped bracket.

In the formwork construction of the wharf crown wall mentioned above, the material of the base plate is concrete.

In the formwork structure of the wharf crown wall mentioned above, the number of the first embedded angle steel is two, one of the first embedded angle steel is located close to the arc-shaped gap, and the other first embedded angle steel is located close to the bottom plate side.

The formwork structure of the wharf crown wall mentioned above also includes a diagonal bracing reinforcement, one end of the diagonal bracing reinforcement is connected to the steel pipe pile, and the other end of the diagonal bracing reinforcement is connected to the first prefabricated steel bar near the side of the base plate. Buried angle steel.

In the formwork structure of the wharf crown wall mentioned above, the number of second embedded angle steels is four, of which two second embedded angle steels are respectively arranged on the left and right sides of the arc-shaped gap, and are parallel and symmetrical, and the other two The position of the second pre-embedded angle steel is close to the side of the bottom plate, and is parallel and symmetrical.

Another object of the present invention is to provide a construction method for a crown wall without underwater work. The installation method can improve the construction efficiency of the crown wall and avoid the risk of underwater work.

The construction method of the crown wall without underwater work is applied to at least one steel pipe pile and at least one steel sheet pile, and the steel sheet pile is connected to the side of the steel pipe pile. The construction method of the crown wall without underwater work includes the following steps : First, (a) provide a 預鑄 bottom plate, the 預鑄 bottom plate includes an arc-shaped gap, a plurality of first embedded angle steels and a plurality of second embedded angle steels. After that, (b) provide an angle steel bracket set, the angle steel bracket set includes an L-shaped bracket and a triangular bracket, and the L-shaped bracket includes a first side and a second side. Then, (c) locking the base plate to the first side, and abutting the lower surface of the base plate against the tripod. Next, (d) attaching the steel base plate to the steel pipe pile through the arc-shaped notch. Furthermore, (e) provide a plurality of first hook adjusters, one end of each first hook adjuster is connected to one of the first embedded angle steels, and the other end of each first hook adjuster is connected to The steel pipe pile. Afterwards, (f) provide a plurality of second hook adjusters, one end of each of the second hook adjusters is connected with one of the second embedded angle steels, and the other end of each of the second hook adjusters is connected with the steel plate pile. Then, (g) adjust the height and levelness of the base plate through the first hook adjuster and the second hook adjuster. Next, (h) welding one of the first embedded angle steels to the steel pipe pile. Next, (i) welding at least one second embedded angle steel to the steel sheet pile. Afterwards, (j) provide a diagonal brace, weld one end of the diagonal brace to the steel pipe pile, and The other end is connected to one of the first embedded angle irons. Then, (k) remove all first hook adjusters and all second hook adjusters.

The construction method of the above-mentioned crown wall free of underwater operation also includes the following steps after step (k): first, (1) providing a walkway structure, which includes a railing part, a connecting part and a The walkway is connected between the railing part and the connecting part. Afterwards, (m) connect the connection part to the L-shaped bracket.

The construction method of the above-mentioned crown wall without underwater operation further includes the following steps after the step (m): (n) providing a side form, and locking the side form to the upper surface of the second side.

The construction method of the above-mentioned crown wall without underwater operation also includes the following steps after the step (n): first, (o) laying at least one bottom steel bar above the base plate. Afterwards, (p) a plurality of reinforcement rods are overlapped between the side form and the steel pipe pile. Then, (q) binding at least one structural steel bar to the bottom steel bar and the steel bar. Then, (r) pouring a concrete on the structural steel bar, the bottom steel bar and the steel tie bar to form a reinforced concrete. Next, (s) remove the side form, the angle steel bracket set and the walkway structure.

The invention has the following advantages: the construction difficulty is relatively low when constructing the wharf crown wall, and the risk of underwater operation can be avoided.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, preferred embodiments will be described in detail below together with the accompanying drawings.

12: Tripod

13: Wood Truss

14: Bottom mold

15: steel pipe pile

16: Side steel mold

20: Wharf crown wall formwork construction

21: 預鑄 bottom plate

211: The first embedded angle steel

211S: Angle steel

212: The second embedded angle steel

212S: Angle steel

213: arc gap

22: Angle steel bracket group

221: L-shaped bracket

221A: first side

221B: second side

223: Triangular bracket

223A: parallel angle steel

223B: vertical angle steel

23: First hook adjuster

24: Second hook adjuster

25: steel pipe pile

26: side mold

261: Outer formwork teeth

262: Inner template teeth

27: Steel Sheet Pile

29: walkway structure

28: Diagonal bracing reinforcement

291: Railing

292: Connecting part

293: aisle

71: bottom reinforcement

72: steel bar

73: Structural reinforcement

81: screw

FIG. 1A is a schematic diagram of a wooden truss 13 disposed above a tripod 12 .

FIG. 1B is a schematic diagram of the wooden truss 13 , the bottom form 14 , the steel pipe pile 15 and the side steel form 16 .

FIG. 2A to FIG. 2C are perspective views of the wharf crown wall formwork structure 20 from different angles.

FIG. 3 is a perspective view of the metal bottom plate 21 .

FIG. 4 is a perspective view of the angle steel bracket set 22 .

FIG. 5 is a schematic diagram of the base plate 21 disposed on the angle steel bracket set 22 .

FIG. 6A to FIG. 6N illustrate an embodiment of a crown wall construction method without underwater work.

Please refer to FIG. 2A to FIG. 2C. FIG. 2A to FIG. 2C are three-dimensional views of wharf crown wall formwork structure 20 from different angles. The wharf crown wall formwork structure 20 of this embodiment is applied to a steel pipe pile 25 and two steel plates The pile 27 and the two steel sheet piles 27 are respectively connected to the left and right sides of the steel pipe pile 25 . The wharf crown wall formwork structure 20 includes a base plate 21, an angle steel bracket group 22, two first hook adjusters 23, four second hook adjusters 24, a side formwork 26, and a diagonal bracing steel bar 28 And a walkway structure 29.

Please refer to FIG. 3 . FIG. 3 is a perspective view of the base plate 21 . The material of the main structure of the base plate 21 is, for example, concrete, and the base plate 21 includes an arc-shaped gap 213, two first embedded angle steels 211 and four second embedded angle steels 212. The arc-shaped base plate 21 The notch 213 is attached to the steel pipe pile 25 . In detail, the radian of the arc-shaped notch 213 matches the peripheral surface of the steel pipe pile 25 , so the base plate 21 can closely adhere to the steel pipe pile 25 .

In addition, one of the first embedded angle steels 211 is located close to the arc-shaped notch 213 , and the other of the first embedded angle steels 211 is located close to the side of the base plate 21 . In addition, two of the second embedded angle steels 212 are respectively arranged on the left and right sides of the arc-shaped notch 213, and are parallel and symmetrical. , and the two second embedded angle steels 212 are also parallel and symmetrical.

Please refer to FIG. 4 and FIG. 5 , FIG. 4 is a perspective view of the angle steel bracket set 22 , and FIG. 5 is a schematic diagram of the steel bottom plate 21 disposed on the angle steel bracket set 22 . The angle steel bracket set 22 includes an L-shaped bracket 221 and a triangular bracket 223 , and the triangular bracket 223 is connected to the L-shaped bracket 221 . In this embodiment, the L-shaped bracket 221 includes a first side 221A and a second side 221B, and the second side 221B is vertically connected to the first side 221A.

In addition, the triangular bracket 223 includes a parallel angle steel 223A and a vertical angle steel 223B, and the vertical angle steel 223B and the parallel angle steel 223A are also perpendicular to each other. In this embodiment, the first side 221A is fixed to the side of the bottom plate 21 by using a plurality of screws 81, and the lower surface of the bottom plate 21 is against the tripod bracket. 223 parallel angles 223A. In addition, when the arc-shaped notch 213 fits on the steel pipe pile 25, the vertical angle steel 223B of the triangular bracket 223 is against the outer surface of the steel pipe pile 25, and the vertical angle steel 223B is not welded or locked on the steel pipe pile 25, which is advantageous The angle steel support group 22 is removed when the construction is close to completion, and the following paragraphs will be described in detail.

Please refer to FIG. 2C again, one end of each first hook adjuster 23 is respectively connected to a first embedded angle steel 211 , and the other end of each first hook adjuster 23 is connected to a steel pipe pile 25 . One end of each second hook adjuster 24 is respectively connected to a second embedded angle steel 212 , and the other end of each second hook adjuster 24 is connected to a steel sheet pile 27 . In this way, the height and horizontal position of the bottom plate 21 can be adjusted through each first hook adjuster 23 and each second hook adjuster 24 .

Afterwards, when the base plate 21 is adjusted to an appropriate height and horizontal position, one end of the diagonal bracing reinforcement 28 can be connected to the steel pipe pile 25 by welding, and the other end of the diagonal bracing reinforcement 28 is connected to Casting the first embedded angle steel 211 on the side of the bottom plate 21 . In this way, the base plate 21 can be kept at the original height and horizontal position through the diagonal bracing steel bars 28 .

In addition, the first embedded angle steel 211 close to the arc-shaped notch 213 can also be welded and fixed on the steel pipe pile 25 through an angle steel 211S. Similarly, the second pre-embedded angle steels 212 disposed on the left and right sides of the arc-shaped notch 213 can also be welded and fixed on the steel sheet pile 27 through an angle steel 212S respectively. In this way, the base plate 21 is more stably arranged on the steel pipe pile 25 and the steel sheet pile 27 .

In the above, when the bracing steel bars 28 have been welded and fixed to the steel pipe piles 25, all the first hook adjusters 23 and the second hook adjusters 24 can be removed to facilitate subsequent reinforcement setting and concrete pouring.

In addition, please refer to FIG. 2A and FIG. 2B , the side form 26 is a steel formwork or wood formwork, and the bottom of the side formwork 26 is screwed to the upper surface of the second side 221B of the angle steel bracket set 22 . In this way, a working space where steel bars can be placed and concrete can be placed is enclosed between the side form 26, the base plate 21, the steel pipe pile 25 and the two steel sheet piles 27.

Please refer to FIG. 2A and FIG. 2B , the walkway structure 29 includes a railing part 291 , a connecting part 292 and a walkway 293 . Wherein, the walkway 293 is connected between the railing part 291 and the connecting part 292 , and the connecting part 292 is connected to the L-shaped bracket 221 of the angle steel bracket set 22 . In this way, construction workers can place steel bars and pour concrete on the walkway 293 of the walkway structure 29, greatly reducing the difficulty of construction.

In this embodiment, since the material of the base plate 21 is also concrete, the base plate 21 and the reinforced concrete above can form an integrated crown wall. Therefore, after the concrete is solidified, construction personnel do not need to disassemble the base plate 21 of this embodiment, which is beneficial to improve the construction efficiency of the crown wall of the wharf.

In the above-mentioned embodiment, the structure of the wharf crown wall formwork structure 20 is mainly disclosed. The following will describe in detail the construction of the wharf crown wall formwork structure 20 corresponding to the underwater work-free construction based on the above diagrams and FIGS. 6A to 6N. method.

The construction method of the crown wall in this embodiment without underwater operation includes the following steps: first, please refer to FIG. 3 , provide a base plate 21, the base plate 21 includes an arc-shaped gap 213, a plurality of first embedded angle steels 211 and a plurality of second embedded angle steels 212.

Afterwards, referring to Fig. 4, an angle steel bracket group 22 is provided, the angle steel bracket group 22 includes an L-shaped bracket 221 and a triangular bracket 223, the L-shaped bracket 221 includes a first side 221A and a second side 221B, and the triangle The bracket 223 includes a parallel angle steel 223A and a vertical angle steel 223B.

Then, please refer to FIG. 5 , lock the base plate 21 on the first side 221A of the L-shaped bracket 221 , and put the lower surface of the base plate 21 against the tripod bracket 223 . Specifically, in this embodiment, a plurality of screws 81 are used to lock the first side 221A to the side of the base plate 21 . Therefore, after the screw 81 is removed, the angle steel bracket set 22 and the base plate 21 can be separated.

Next, please refer to FIG. 6A , the metal bottom plate 21 is attached to the steel pipe pile 25 through the arc-shaped notch 213 . In detail, when the arc-shaped notch 213 of the bottom plate 21 is attached to the steel pipe pile 25, the vertical angle steel 223B of the triangular bracket 223 is only against the outer surface of the steel pipe pile 25, and it is not connected to the steel pipe pile 25. Again, referring to Fig. 6B, a plurality of first hook adjusters 23 are provided, and one end of each first hook adjuster 23 is connected to a first embedded angle steel 211 respectively, and each first hook adjuster 23 The other end connects the steel pipe pile 25.

Afterwards, referring to FIG. 6C , a plurality of second hook adjusters 24 are provided, and one end of each second hook adjuster 24 is connected to a second embedded angle steel 212 respectively, and the other end of each second hook adjuster 24 The steel sheet pile 27 is connected. Then, adjust the height and levelness of the bottom plate 21 through the first hook adjuster 23 and the second hook adjuster 24 .

Next, referring to FIG. 6D , one of the first embedded angle steels 211 is welded on the steel pipe pile 25 . Next, at least one second embedded angle steel 212 is welded on the steel sheet pile 27 . In detail, the first embedded angle steel 211 near the arc-shaped notch 213 is welded and fixed on the steel pipe pile 25 through an angle steel 211S. The second embedded angle steel 212 is fixed on the steel sheet pile 27 by welding an angle steel 212S. In this way, the base plate 21 is more stably arranged on the steel pipe pile 25 and the steel sheet pile 27 .

Afterwards, referring to Fig. 2C and Fig. 6E, a diagonal bracing reinforcement 28 is provided, one end of the diagonal bracing reinforcement 28 is welded on the steel pipe pile 25, and the other end of the diagonal bracing reinforcement 28 is connected to one of the first embedded angle steels 211. Specifically, one end of the diagonal bracing bar 28 is connected to the steel pipe pile 25 by welding, and the other end of the diagonal bracing bar 28 is connected to the first embedded angle steel 211 near the side of the base plate 21 . In this way, the bottom plate 21 can be kept at the adjusted height and horizontal position through the diagonal bracing reinforcement 28 , the angle steel 211S and the angle steel 212S.

Then, referring to FIG. 6F , all the first hook adjusters 23 and all the second hook adjusters 24 are dismantled to clear the space, which is beneficial for the subsequent setting of steel bars and concrete pouring.

Next, referring to FIG. 6G , a walkway structure 29 is provided. The walkway structure 29 includes a railing portion 291 , a connecting portion 292 and a walkway 293 . The walkway 293 is connected between the railing portion 291 and the connecting portion 292 . Afterwards, referring to FIG. 2B , the connecting portion 292 is connected to the L-shaped bracket 221 . In this way, construction personnel can work on the walkway structure 29, which greatly reduces the difficulty of construction.

Next, referring to FIG. 2B and FIG. 6H , a side mold 26 is provided, and the side mold 26 is locked on the upper surface of the second side 221B. In detail, the side form 26 is locked on the second side 221B of the angle steel bracket set 22 , and a plurality of outer formwork teeth 261 and inner formwork teeth 262 have been pre-locked on the side form 26 .

Afterwards, please refer to FIG. 6I , laying a bottom steel bar 71 on the top of the base plate 21 . Then, referring to FIG. 6J , a plurality of reinforcement rods 72 are overlapped between the side form 26 and the steel pipe pile 25 . In detail, one end of these reinforcement rods 72 is respectively connected to the inner formwork teeth 262 , and the other ends of the reinforcement rods 72 are welded to the steel pipe pile 25 . Next, referring to FIG. 6K , a structural steel bar 73 is bound to the bottom steel bar 71 and the steel bar tie rod 72 .

Next, referring to FIG. 6L , a concrete is poured on the structural steel bar 73 , the bottom steel bar 71 and these steel bars 72 to form a reinforced concrete structure. Specifically, the main body of the steel base plate 21 is also made of concrete, therefore, the steel base plate 21 can form an integrated crown wall with the reinforced concrete structure. Moreover, this method does not need to dive into the water to disassemble the bottom plate 21, which greatly reduces the difficulty of construction and avoids the risk of underwater operations.

Then, referring to FIG. 6M , remove the outer mold teeth 261 and screws 81 . Specifically, all the outer template teeth 261 are separated from the inner template teeth 262, and all the screws 81 are removed from the first side 221A. In this way, the angle steel bracket set 22 can be easily disassembled from the base plate 21 . Also because the side form 26 and the walkway structure 29 are all connected to the angle steel bracket set 22, so when the angle steel support set 22 is unloaded, the side form 26 and the walkway structure 29 will be dismantled simultaneously.

Afterwards, referring to FIG. 6N , the side form 26 , the angle steel bracket set 22 and the walkway structure 29 are removed. This completes the installation of the quay crown wall. Compared with the traditional construction method of the crown wall, the construction method of the crown wall without underwater work in this embodiment can quickly evacuate the installation equipment (side formwork 26, angle steel support group 22 and walkway structure 29) without underwater work. Therefore, the method can improve the construction efficiency of installing the crown wall and avoid the risk of underwater operation.

To sum up, the wharf crown wall formwork structure of the present invention and its construction method without underwater operation have relatively low construction difficulty, help to improve construction efficiency, and can also reduce the overall construction cost.

Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field may make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the scope of the appended patent application.

20: Wharf crown wall formwork construction

21: 預鑄 bottom plate

22: Angle steel bracket group

221: L-shaped bracket

221A: first side

221B: second side

223A: parallel angle steel

223B: vertical angle steel

23: First hook adjuster

24: Second hook adjuster

25: steel pipe pile

26: side mold

27: Steel Sheet Pile

28: Diagonal bracing reinforcement

29: walkway structure

291: Railing

292: Connecting part

293: aisle

81: screw

Claims (11)

A wharf crown wall formwork structure, applied to at least one steel pipe pile, the wharf crown wall formwork structure includes: at least one steel base plate, including: an arc-shaped gap, attached to the steel pipe pile; and a plurality of first embedded angle steels A plurality of first hook adjusters, one end of each first hook adjuster is connected to one of the first embedded angle steels, and the other end of each first hook adjuster is connected to the steel pipe pile; at least one Angle steel bracket set, including: an L-shaped bracket, including: a first side, the side of the base plate is locked to the first side; and a second side, vertically connected to the first side and a triangular bracket connected to the L-shaped bracket, and the lower surface of the base plate leans against the triangular bracket; and at least one side mold is locked on the upper surface of the second side. The wharf crown wall formwork structure as described in Claim 1 is also applied to at least one steel sheet pile, and the steel sheet pile is connected to the side of the steel pipe pile, and the wharf crown wall formwork structure further includes a plurality of second hook adjusters, And the base plate also includes a plurality of second embedded angle steels; wherein, one end of each second hook adjuster is connected to one of the second embedded angle steels, and the other end of each second hook adjuster is connected to The steel sheet pile. The wharf crown wall formwork construction as described in claim item 1 also includes: A walkway structure includes: a railing part; a connecting part connected to the L-shaped bracket; and a walkway connected between the railing part and the connecting part. The wharf crown wall formwork structure as described in Claim 1, wherein the material of the base plate is concrete. The wharf crown wall formwork structure as described in claim 1, wherein the number of the first embedded angle steel is two, one of the first embedded angle steel is located close to the arc-shaped gap, and the other is the first embedded angle steel The position is close to the side of the base plate. The wharf crown wall formwork structure as described in claim item 5 further includes a diagonal bracing reinforcement, one end of the diagonal bracing reinforcement is connected to the steel pipe pile, and the other end of the diagonal bracing reinforcement is connected to the side close to the base plate The first embedded angle iron of the side. The wharf crown wall formwork structure as described in claim 2, wherein the number of the second embedded angle steels is four, and two of the second embedded angle steels are respectively arranged on the left and right sides of the arc-shaped gap and are parallel symmetrical, and the other two second pre-embedded angle steels are located close to the sides of the base plate, and are parallel and symmetrical. A construction method for avoiding underwater work of a crown wall, which is applied to at least one steel pipe pile and at least one steel sheet pile. The construction method for avoiding underwater work of the crown wall includes: providing a base plate with an arc shape. , multiple first embedded angle steels and multiple second embedded angle steels; An angle steel bracket set is provided, the angle steel bracket set includes an L-shaped bracket and a triangular bracket, the L-shaped bracket includes a first side and a second side; the base plate is locked on the first side , and abut the lower surface of the 預鑄 bottom plate against the tripod; attach the 預鑄 bottom plate to the steel pipe pile through the arc-shaped gap; provide a plurality of first hook adjusters, each of the first hanging One end of the hook adjuster is respectively connected to one of the first embedded angle steels, and the other end of each of the first hook adjusters is connected to the steel pipe pile; multiple second hook adjusters are provided, and each of the second hook adjusts One end of each of the second hook adjusters is connected to the second embedded angle steel, and the other end of each of the second hook adjusters is connected to the steel sheet pile; the base plate is adjusted through the first hook adjuster and the second hook adjuster the height and levelness; one of the first embedded angle steel is welded on the steel pipe pile; at least one of the second embedded angle steel is welded on the steel sheet pile; a diagonal bracing reinforcement is provided, and the diagonal bracing reinforcement One end is welded on the steel pipe pile, and the other end of the diagonal bracing steel bar is connected to one of the first embedded angle steels; and all the first hook adjusters and all the second hook adjusters are removed. The construction method of the crown wall free of underwater work as described in claim 8 further includes: providing a walkway structure, the walkway structure includes a railing part, a connecting part and a walkway, and the walkway is connected to the railing part and the connecting part between the parts; and connecting the connecting part to the L-shaped bracket. The construction method of the crown wall without underwater work as described in Claim 9 further includes: providing a side form, and locking the side form to the upper surface of the second side. The construction method of the crown wall without underwater operation as described in claim 10 further includes: laying at least one bottom steel bar above the base plate; lapping a plurality of steel bar tie rods between the side form and the steel pipe pile; binding at least one structural steel bar to the bottom steel bar and the steel bar tie rods; pouring a concrete on the structural steel bar, the bottom layer steel bar and the steel bar tie rods to form a reinforced concrete; and removing the side formwork, the angle steel bracket set and The walkway structure.

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