WO2018133738A1

WO2018133738A1 - Hydraulic engineering construction consisting of piles and walls and construction method therefor

Info

Publication number: WO2018133738A1
Application number: PCT/CN2018/072518
Authority: WO
Inventors: 王燏斌
Original assignee: 王燏斌
Priority date: 2017-01-18
Filing date: 2018-01-13
Publication date: 2018-07-26
Also published as: CN106759068A

Abstract

A hydraulic engineering construction consisting of piles and walls. The piles are provided at the bottom with a chain blade for excavating rock and soil during construction. Either extremity of the walls and the piles are embedded into each other or fixedly connected as one. The piles are piles having grooves. Either extremity of the walls are embedded into the grooves of the piles when mounted. Tracks are provided at the bottom and a side of the piles having the grooves and at the bottom and a side of the walls. The chain blade (3) for excavating rock and soil is mounted on the tracks. Chain-type excavating equipment (2) consists of the chain blade (3), chain wheels (6), and a driving apparatus (4). The bottom tracks are different in height so as to facilitate the operation of the chain blade (3) at an intersection. The driving apparatus (4) drives the chain blade (3) during construction. The chain blade (3) runs along the tracks. A cutter on the track at the bottom of the piles excavates rock and soil. The chain blade (3) takes excavated rock and soil to the top when running upwards. The chain blade (3) at the bottom of the piles descends with the piles. Also disclosed is a construction method for the hydraulic engineering construction consisting of the piles and the walls.

Description

Hydraulic structure composed of piles and walls and construction method thereof

Technical field

The invention relates to a hydraulic structure composed of piles and walls and a construction method thereof, and belongs to the technical field of civil engineering foundation construction.

Background technique

The existing breakwaters generally adopt a bottom riprap stack and a concrete face block on the rockfill prism, and also adopt a reinforced concrete caisson or a large-diameter cylinder structure; the engineering quantity is large, the construction period is long, and the cost is expensive.

Existing dams generally use diversion construction and cofferdam construction to create dry construction conditions. The amount of excavation is large and the amount of construction is huge. After the dam is built, the cofferdam needs to be demolished, the construction period is long, and the cost is expensive.

Existing revetments and docks are generally excavated by excavators, and drainage or collection wells are used for drainage. In order to prevent a large amount of settlement, the daily masonry height is limited, the construction period is long, and the cost is high.

The existing ship locks generally use the opening of the mountain to construct the ship locks. The earthwork excavation project is huge, the construction period is long, and the cost is expensive.

Summary of the invention

The invention provides a hydraulic structure composed of piles and walls and a construction method thereof, the purpose of which is to overcome the defects existing in the prior art, and the main advantages thereof: the hydraulic building is manufactured in the prefabricated field, the site After assembly, the overall decline, simple construction, good quality, short construction period, low cost, adapt to various areas.

The technical solution of the invention: a hydraulic structure composed of piles and walls, the bottom of the pile is constructed with a chain cutter for excavating the earth and soil, and the two ends of the wall and the pile are embedded or fixedly integrated with each other.

The pile is a grooved pile, and both ends of the wall are embedded in the pile groove when installed. The bottom and sides of the grooved pile are provided with rails. The rails are provided with chain cutters for excavating rock and earth. The chain excavation device is composed of a chain cutter, a sprocket and a driving device. The chain cutter is composed of a chain and a cutter fixed on the chain. The bottom track has a height difference, which facilitates the operation of the intersection of the chain cutters; during construction, the drive unit drives the chain cutter, the chain cutter runs along the track, and the tool on the track at the bottom of the pile excavates the rock and soil, and the chain cutter will have been excavated when running from the bottom upward. The rock belt is brought up to the top, and the chain cutter and the pile at the bottom of the pile are lowered together, descending to the design depth, and the chain cutter is removed and then grouted.

The bottom and side of the wall are provided with rails. The rails are equipped with chain cutters for excavating rock and earth. The chain excavation device is composed of a chain cutter, a sprocket and a driving device. The chain cutter is composed of a chain and a cutter fixed on the chain; The device drives the chain, the chain drives the tool to run along the track, and the tool at the bottom of the wall excavates the rock. When the chain knife runs from the bottom up, the excavated rock is brought to the top, and the chain knife and the wall at the bottom of the wall are simultaneously descended and lowered to Design depth, remove the chain knife and then grout.

The advantages of the invention are as follows: 1) When the breakwater is constructed, the prefabricated field is manufactured in sections, the assembly on the site is overall reduced, the quality is good, the construction period is short, and the cost is low; it is especially suitable for deep water areas.

2) During the dam construction, the dam is constructed by using the segmented cofferdam construction method. The cofferdam is also used as a component of the main structure of the dam. The well-built dam body is used to guide the diversion. Increase the diversion building, and do not need to remove the cofferdam, reduce costs and shorten the construction period.

3) When constructing the revetment and dock, there is no need to construct cofferdams, the construction is simple; the whole site sinks, the construction period is short, and the cost is low.

4) During the construction of the ship lock foundation, the ship lock foundation is reduced as a whole or as a block, and the construction period is short; the foundation frame can be used as a foundation pit support to excavate the rock and soil in the foundation frame, which is safe and convenient, and the earthwork excavation amount is small.

DRAWINGS

1 is a schematic structural view of a word pile or wall 1, and is also a structural schematic view of the chain excavating device 2 when excavating the bottom rock of the foundation;

Figure 2 is a view in the direction of arrow A of Figure 1, and is also a schematic structural view of the chain cutter 3, the driving device 4, the tensioning device 5 and the sprocket 6 constituting the chain excavating device 2;

3 is a cross-sectional view taken along line B-B of FIG. 1 , and is a schematic structural view of the chain cutter 3 excavating both the rock and the horizontal soil at the bottom of the foundation, and is also a structural schematic view of the rail 1-1 of the chain cutter 3 running at the bottom of the pile or wall 1;

Figure 4 is a cross-sectional view taken along line C-C of Figure 1, and is also a schematic structural view of a chain type geotechnical conveyor 7 composed of a chain cutter 3 and a chain cutter cover 1-3;

Fig. 5 is a schematic structural view of the chain cutter 3, which is also a schematic structural view of the chain 3-1 and the cutter 3-2, and is also a chain 3- consisting of A ten-byte 3-1-1 and B ten-byte 3-1-2. Schematic diagram of the ten-byte structure of 1; also a schematic diagram of the structure of the chain 3-1 for realizing the space bending is a structural diagram of the chain cutter 3, (a) is a structural schematic diagram of the chain 3-1 and the cutter 3-2, also by the A cross Schematic diagram of the ten-byte structure of the chain 3-1 composed of the section 3-1-1 and the B-byte 3-1-2; and the structure diagram of the chain 3-1 to realize the space bending. (b) is a schematic structural view of the chain cutter 3 composed of the flexible belt 3-1B and the cutter 3-2B; also a schematic structural view of the flexible belt 3-1B and the cutter 3-2B;

Figure 6 is a schematic view showing the construction process of the prefabricated on-site assembly method of the pile or wall 1, which is indicated by 1 to 4;

Figure 7 is a schematic diagram of the on-site installation and pouring formwork of the pile or wall 1 and the pouring process on the side of the falling side, indicated by 1 to 2, also the bottom track B-1, the intermediate frame B-2, the upper device B-3 and the pouring form B- 4 is a schematic diagram of the structure;

Fig. 8 is a structural schematic view of the A1 type pile 10-1, and is a structural schematic view of the A1 type pile 10-1 as it is integrally sunk together with the chain cutter 3 at the bottom, and is also a height difference of the bottom rail of the A1 type pile 10-1. Schematic diagram of the operation of the chain cutter 3 at the intersection;

Figure 9 is a view in the direction of arrow A of Figure 8, and is also a schematic structural view of the chain cutter 3, the driving device 4, the tensioning device 5 and the sprocket 6 constituting the chain excavating device 2;

Figure 10 is a cross-sectional view taken along line B-B of Figure 8;

Figure 11 is a schematic structural view of a linear breakwater composed of an A1 type pile 10-1 and an underground continuous wall 8-1;

Figure 12 is an enlarged view of I of Figure 11;

Figure 13 is a cross-sectional view taken along line A-A of Figure 11;

Figure 14 is a B-direction view of Figure 11;

Figure 15 is a schematic view showing the structure of the chain excavating device 2 for installing the underground continuous wall 8-1 on the top of the built A1 type pile 10-1;

Figure 16 is a view taken along line A in Figure 15;

17 is a schematic structural view of a linear breakwater composed of an A1 type pile 10-1 and a floating wall 8-2;

Figure 18 is a view taken along line A of Figure 17;

Figure 19 is a schematic structural view of a curved breakwater composed of an A1 type pile 10-1 and a plug-in wall 8-3;

Figure 20 is a view taken along line A of Figure 19;

21 is a structural schematic view of the bottom wall being a floating wall 8-2, and the upper wall being a plug-in wall 8-3 forming a breakwater;

Figure 22 is a view taken along the line A in Figure 21;

Figure 23 is a structural schematic view of a breakwater composed of two rows of piles and a hybrid wall, in which two ends or one ends of adjacent wall blocks are respectively inserted into pile grooves of different rows;

Figure 24 is a view taken along the line A in Figure 23;

Figure 25 is a cross-sectional view taken along line B-B of Figure 23;

Figure 26 is a schematic view showing the structure of the road above the breakwater;

Figure 27 is a view taken along the line A in Figure 26;

Figure 28 is a schematic view showing the structure of the bottom frame 11 of the dam of the hydraulic structure, and also the B1 type pile 11-1, the B2 type pile 11-2, the bottom knives wall 11-3, and the gate 11 which constitute the dam bottom frame 11. 4 is a schematic diagram of the structure;

Figure 29 is a schematic view showing the construction process of the segmented cofferdam of the bottom frame 11;

Figure 30 is a view of the A-A of Figure 28, and is also a schematic view of the dam pile B1 type pile 11-1, B2 pile 11-2;

Figure 31 is a B-direction view of Figure 28, and is also a schematic structural view of the gate 11-4 of the dam bottom frame 11;

Figure 32 is a partial enlarged view of I of Figure 28, and is a structural schematic view of the combination of the B1 type pile 11-2 and the wall 11-3 in the bottom frame of the dam, wherein the B1 type pile can also be called a word pile, and the chain knife 3, The relationship between the driving device 4, the tensioning device 5, the sprocket 6 and the like, and the structure and construction method are completed, which can be understood as a combination of four one-word piles 1;

Figure 33 is a partial enlarged view of II of Figure 28, and is a schematic view of the mechanism of the B2 type pile 11-1 and the wall 11-3 combined in the bottom frame of the dam, wherein the B2 type pile can also be called a word pile, and the chain knife 3, The relationship between the driving device 4, the tensioning device 5, the sprocket 6 and the like, and the structure and construction method are completed, which can be understood as a combination of four one-word piles 1;

Figure 34 is a schematic structural view of a ship lock frame 12 composed of a wall 12-2 and a bottom plate 12-3 provided with a chain cutter at the bottom of both sides of the C1 type pile 12-1;

35 is a view taken along the line A-A of FIG. 34, which is a schematic diagram of the basic structure of the gate position of the ship lock frame 12, and is also a structural schematic view of the gate position C1 type 12-1 pile as the whole chain knife 3 of the bottom sinks together;

Figure 36 is a B-B view of Figure 34, and is also a structural view of the connection between the chamber wall 12-2 and the bottom plate 12-3, the chamber wall 12-2 is a continuous wall with a chain excavation device 2 at the bottom;

Figure 37 is a schematic structural view of a hydraulic building revetment 13;

Figure 38 is a view of the A-A of Figure 37, and is also a schematic view of the structure of the D1 type pile 13-1 used by the bank 13;

Figure 39 is a B-B view of Figure 37, and is also a schematic structural view of a continuous wall 13-2 of the cross-type of the bank 13;

Figure 40 is a schematic structural view of a hydraulic building wharf 14;

41 is a view of the A-A of FIG. 40, which is also a schematic structural view of the D1 type pile 13-1 of the dock 14, and is also a schematic structural view of the cable string on the dock;

Figure 42 is a schematic view showing the structure of the bottom rail and the side rail of a pile or wall 1. The type of the rail includes five types of a1, a2, b, c and d, wherein a1 and a2 are concave, b is flat, and c is Convex type

Figure 43 is a schematic view showing the structure of a d-shaped rail and a chain cutter of a word pile or wall 1;

Fig. 44 is a structural schematic view showing that d is a longitudinally multi-row staggered orbit.

1 is a pile or wall of a hydraulic structure; 1-1 is a track running the chain cutter 3 at the bottom of the pile or wall; 1-2 is a track running the chain cutter 3 on the side of the pile or wall; 1-3 is a side cover with a beveled edge at the bottom, the chain cutter 3 constitutes a vertical geotechnical conveyor when running upwards; 2 is a chain excavation device for the A, B, C and D type piles and the underground continuous wall 8, which is composed of a chain cutter 3, The driving device 4, the tensioning device 5, the sprocket 6 and the like; 3 is a chain cutter constituting the chain excavating device 2; 3-1 is a chain constituting the chain cutter 3, including a crawler belt, a rope and a flexible belt; 1 is a ten-byte A ten-byte constituting the chain 3-1; 3-1-2 is a ten-byte B octet constituting the chain 3-1; 3-1B is a flexible tape constituting the chain cutter 3; 3-2 is a tool for excavating geotechnical soil fixed on chain 3-1; 3-2B is a tool for excavating geotechnical soil fixed on flexible belt 3-1B; 4 is a driving device for chain 3-1; 5 is a chain 3-1 tensioning device; 6 is a sprocket running chain 3-1; 7 is a chain geotechnical conveyor; 8 is a wall constituting a hydraulic building; 8-1 is a lengthened pile or wall 1 consists of a base continuous wall with a chain knife 3 at the bottom; 8-2 is a floating wall; 8-3 is a plug-in wall 8-4 is a hybrid wall; B-1 is the bottom rail in the cast-in-place method; B-2 is the intermediate frame in the cast-in-place method; B-3 is the upper device in the cast-in-place method; B-4 is now a pouring form in the pouring method; 9 is a bridge; 10 is anti-wave lifting; 10-1 is an A1 type pile with a breakwater of the chain excavating device 2 at the bottom; 11 is a bottom frame of the dam higher than the upstream water surface during construction; 11-1 is a B1 type pile of the bottom frame 11 of the dam; 11-2 is a B2 type pile of the bottom frame 11 of the dam; 11-3 is a wall with a chain knife at the bottom of the bottom frame 11 of the dam; 11-4 is The gate of the dam bottom frame 11; 12 is the ship lock frame; 12-1 is the C1 type pile of the ship lock frame 12; 12-2 is the wall with the chain knife at the bottom of both sides of the ship lock frame 12; 12-3 is the ship lock frame 12 The bottom plate; 13 is the revetment; 13-1 is the revetment or dock D1 type pile; 13-2 is the cross-type continuous wall in the middle of the revetment or dock; 14 is the pier.

detailed description

A hydraulic structure consisting of piles and walls. The bottom of the pile is constructed with chain cutters for excavating the earth and soil. The two ends of the wall and the piles are embedded or fixed together.

The pile is a grooved pile, and both ends of the wall are embedded in the pile groove when installed.

The bottom and side of the grooved pile are provided with a track, and the track is provided with a chain cutter for excavating rock and earth. The chain excavation device is composed of a chain cutter, a sprocket and a driving device, and the chain cutter is fixed by the chain and fixed on the chain. The composition of the tool has a height difference between the bottom rails, which facilitates the operation of the intersection of the chain cutters. During the construction, the drive unit drives the chain cutter, the chain cutter runs along the track, and the cutter on the track at the bottom of the pile excavates the rock and soil. When the chain cutter runs from the bottom upwards, The excavated geotechnical belt is taken to the top, and the chain cutter and pile at the bottom of the pile are lowered together, descending to the design depth, and the chain cutter is removed and then grouted.

The bottom and sides of the wall are provided with rails, and the rails are provided with chain cutters for excavating rock and earth. The chain excavation device is composed of a chain cutter, a sprocket and a driving device, and the chain cutter is composed of a chain and a cutter fixed on the chain; During the construction, the drive unit drives the chain, the chain drives the tool to run along the track, and the tool at the bottom of the wall excavates the rock and soil. When the chain knife runs from the bottom up, the excavated rock and soil is brought to the top, and the chain knife and the wall at the bottom of the wall are simultaneously descended. , descend to the design depth, remove the chain knife and then grout.

The construction steps of the pile are as follows:

1) the bottom of the precast pile;

2) Install the bottom of the pile on site and install a chain knife on its track;

3) Two ways of the upper part of the pile:

(a) Factory prefabrication, on-site assembly;

(b) Install a fixed pouring formwork on site, and pour the pile side down;

4) installing a sprocket, a driving device and a chain cutter to form a chain excavating device;

5) Drive the chain, the chain knife at the bottom of the pile excavates the rock and soil. When the chain knife runs from the bottom upwards, the excavated rock and soil will be transported to the top, and the chain cutter and pile at the bottom of the pile will descend;

6) Decrease to the design depth, remove the chain cutter on the pile and grout.

The construction steps of the wall are as follows:

1) the bottom of the prefabricated wall;

2) Install the bottom of the wall at the site and install a chain knife on its track;

3) The upper part of the wall is in two ways:

(a) Factory prefabrication, on-site assembly;

(b) Install a fixed pouring formwork on site, and pour the wall side down;

5) Drive the chain, the chain knife at the bottom of the wall excavates the rock and soil, and the chain cutter running from the bottom up will transport the excavated rock and soil to the upper part, and the chain knife and wall at the bottom of the wall will drop;

6) Drop to the design depth, remove the chain knife on the wall and grout.

The hydraulic structure is a breakwater.

The pile of the breakwater is an A-type pile, and the wall embedded in the pile trough has four structures: a wall with a chain knife, a floating wall, a plug-in wall and a mixed wall at the bottom of the construction at the bottom:

1) The wall with the chain knife at the bottom of the construction, the self-weight shall be borne by the foundation, and the horizontal force shall be shared by the foundation and the pile;

2) The self-weight of the floating wall is mainly tolerated by buoyancy, and the horizontal force is transmitted to the pile trough through the two ends to be received by the pile;

3) The bottom of the two ends of the plug-in wall is resting on the pile foundation, and the horizontal force is transmitted to the pile trough through the two ends to be received by the pile;

4) There are two types of hybrid walls:

(1) It is composed of underground continuous wall, floating wall and plug-in wall in the longitudinal direction;

(2) In the mixed wall in the height direction, the pile consists of two rows, and the two ends or one end of the adjacent wall block are inserted into different pile grooves respectively.

The hydraulic structure is a dam bottom frame that is higher than the upstream water surface during construction.

The pile is a B-type pile, and the bottom frame of the dam divides the dam into a plurality of areas in the longitudinal direction, the bottom frame of the dam is provided with a gate, the area when the gate is opened is a diversion area; and the gate is closed when the gate is closed. The bottom frame of the dam is a construction cofferdam. The bottom of the dam is pumped, excavated and poured in the cofferdam. The corresponding flow gate in the bottom of the dam body is provided with a water flow channel; the gate of the bottom frame of the dam body is opened, and the water flow channel is a diversion channel.

The hydraulic structure is a ship lock frame, and the ship lock frame is an integral part of the lock chamber.

The hydraulic structure is a revetment or a dock.

The technical solution of the present invention is further described below with reference to the accompanying drawings:

1 to 5, the hydraulic building is provided with a track for the operation of the chain excavating device 2, and the chain excavating device 2 is composed of a chain cutter 3, a driving device 4, a tensioning device 5 and a sprocket 6, a chain cutter 3 is composed of a chain 3-1 and a cutter 3-2 fixed on the chain; the driving device 4 drives the chain 3-1 during construction, the chain 3-1 drives the cutter 3-2 to run along the track, and the cutter 3-2 at the bottom of the foundation Excavating the earth and soil, the horizontal chain cutter 3-2 at the bottom of the foundation is a horizontal geotechnical conveyor. The chain cutter 3 and the side cover 1-3 moving upward from the bottom constitute a chain vertical geotechnical conveyor 7, which is excavated from the bottom of the foundation. The rock soil reaches the upper part through the horizontal geotechnical conveyor to the chain vertical geotechnical conveyor 7, and the bottom chain cutter 3 and the foundation are simultaneously descended downward, and after descending to the set depth, the chain 3-1 is broken, and the chain cutter is driven by the driving device. 3 All are pumped up for recycling and then grouted.

As shown in Fig. 6, the first pile or wall 1 is divided into the following steps by prefabrication:

1) Pre-cast piles in the workshop, transport them to the site to assemble the piles and clamp them, and install the chain cutters 3 on the rails at the bottom, install the chain drive device 4 and other devices, and connect the chain 3-1 of the chain cutter 3, such as 1 in the figure;

2) Drive the chain 3-1, the chain knife excavates the rock at the bottom, and the pile is sent to the upper part through the geotechnical conveying device 7, and the pile descends, as shown in Fig. 2;

3) After descending to a certain depth, the prefabricated parts of the piles assembled on the ground can also be assembled while sinking, as shown in Figure 3;

4) Grout after falling to the design depth, or remove the chain knife 3 and then grout, as shown in Figure 4.

As shown in Fig. 7, the word pile or wall 1 is divided into the following steps by using the cast-in-place method:

1) Clean up the site and build an operating platform;

2) assembling the bottom rail B-1 and the pouring formwork B-4, that is, the bottom of the pile or the wall 1 is clamped, and the chain knife 3 is mounted on the rail at the bottom thereof;

3) assembling the intermediate frame B-2 and the upper device B-3;

4) Install the chain drive device 4, the tensioning device 5, the bottom rail B-1, the intermediate frame B-2, the upper device B-3 and the chain 3-1 are integrated to form a chain excavation device 2;

5) Making a steel cage, welding the intermediate frame B-2 with the steel cage, and the intermediate frame B-2 is also a component of the pouring template;

6) pouring concrete in template B-4;

7) Drive the chain 3-1, the chain cutter 3 excavates the rock at the bottom, and transports the excavated rock and soil to the upper part through the intermediate device B-2, and the pile or wall 1 descends accordingly;

8) With the excavation of the bottom of the pile or wall 1, the side of the pile 1 in the form B-4 is lowered;

9) Drop to the design depth to remove the chain cutter 3 after grouting;

10) Remove the upper device and the intermediate device above the pile 1 and remove the pouring formwork;

The above description has been made on the word pile or wall 1. The various structures of the lower wall and the pile can be considered to be composed of a plurality of piles or walls 1.

As shown in Fig. 8 to Fig. 27, the hydraulic structure is the breakwater 10, and the pile is the A-type pile 10-1. The wall embedded in the pile groove has the wall 8-1 with the chain knife at the bottom and the floating wall 8-8 during construction. 2. Four structures of plug-in wall 8-3 and hybrid wall 8-4:

1) The wall has a chain knife at the bottom of the construction. The chain excavation device 2 of the underground continuous wall 8-1 is installed on the top of the built A1 pile 10-1. The chain knife 3 excavates the rock and soil, and the continuous wall 8-1 and the chain knife 3 falling together;

2) The self-weight of the floating wall 8-2 is mainly absorbed by buoyancy, and the horizontal force is transmitted to the pile 10-1 through the two ends to be received by the pile;

3) The bottom of the two ends of the plug-in wall 8-3 is resting on the pile foundation, and the horizontal force is transmitted to the pile groove through the two ends to be received by the pile;

4) There are two types of hybrid walls:

(1) in the longitudinal direction by a combination of underground continuous wall 8-1, floating wall 8-2, and plug-in wall 8-3;

As shown in Fig. 28 to Fig. 33, the hydraulic structure is a dam bottom frame 11 which is higher than the upstream water surface during construction, and the pile is divided into B1 type pile 11-1 and B2 type pile 11-2, and the wall embedded in the pile groove is At the bottom of the construction, there is a wall 11-3 of the knife. The dam bottom frame 11 divides the dam into a plurality of areas in the longitudinal direction, the dam bottom frame 11 is provided with a gate 11-4, and the area opened by the gate 11-4 is a flow guiding area. When the gate 11-4 is closed, the bottom frame 11 of the dam is a construction cofferdam, and the bottom of the dam is pumped, excavated and poured in the cofferdam, and a water flow passage is provided at the corresponding gate 11-4 in the bottom of the dam; the bottom of the dam is opened. The gate 11-4 water flow channel is the diversion channel.

As shown in Fig. 34 to Fig. 36, the hydraulic structure is the ship lock frame 12, and the pile is the C1 type pile 12-1. The wall embedded in the pile groove is the wall 12-2 with the knife at the bottom during construction. During construction, the ship lock frame 12 is the construction cofferdam, and the ship locks such as pumping, excavation and pouring are carried out in the cofferdam.

37 to 39, the hydraulic structure is the revetment and the pier 13, the pile is the D-type pile 13-1, the D-type pile 13-1 is arranged at a certain distance, and the pile in the adjacent D-type pile 13-1 A continuous wall 13-2 having a cross shape is embedded in the groove, and the wall 13-2 is a wall having a knife at the bottom during construction.

Claims

A hydraulic structure consisting of piles and walls, characterized in that the bottom of the pile is constructed with a chain cutter for excavating the earth and soil, and the two ends of the wall and the piles are embedded or fixedly integrated with each other.
A hydraulic structure consisting of a pile and a wall according to claim 1, wherein the pile is a grooved pile, and both ends of the wall are embedded in the pile groove when installed.
A hydraulic structure consisting of a pile and a wall according to claim 2, wherein the grooved pile has a rail at the bottom and the side thereof, and the chain is provided with a chain cutter for excavating rock and soil, and the chain type The excavating device is composed of a chain cutter, a sprocket and a driving device. The chain cutter is composed of a chain and a cutter fixed on the chain, and the bottom rail has a height difference, which facilitates the operation of the intersection of the chain cutters; the driving device drives the chain cutter and the chain cutter during construction; Running along the track, the tool on the bottom track of the pile excavates the rock and soil. When the chain knife runs from the bottom up, the excavated geotechnical soil is brought to the top. The chain knife and the pile at the bottom of the pile are lowered together, descending to the design depth, and the chain cutter is removed. Then grout.
A hydraulic structure consisting of piles and walls according to claim 2, characterized in that the bottom and sides of the wall are provided with rails, and the rails are provided with chain cutters for excavating rock and earth, and the chain excavating device is The chain knife, the sprocket and the driving device are composed of a chain cutter and a cutter fixed on the chain; the driving device drives the chain during construction, the chain drives the cutter to run along the track, the cutter at the bottom of the wall excavates the rock and soil, and the chain cutter is from the bottom When the upward movement, the excavated geotechnical soil is brought to the top, and the chain cutter at the bottom of the wall and the wall are simultaneously lowered, descending to the design depth, and the chain cutter is removed and then grouted.
A hydraulic structure consisting of a pile and a wall according to claim 3, wherein the construction steps of the pile are as follows:

1) the bottom of the precast pile;

2) Install the bottom of the pile on site and install a chain knife on its track;

3) Two ways of the upper part of the pile:

(a) Factory prefabrication, on-site assembly;

(b) Install a fixed pouring formwork on site, and pour the pile side down;

4) installing a sprocket, a driving device and a chain cutter to form a chain excavating device;

5) Drive the chain, the chain knife at the bottom of the pile excavates the rock and soil. When the chain knife runs from the bottom upwards, the excavated rock and soil will be transported to the top, and the chain cutter and pile at the bottom of the pile will descend;

6) Decrease to the design depth, remove the chain cutter on the pile and grout.
A hydraulic structure consisting of a pile and a wall according to claim 4, wherein the construction steps of the wall are as follows:

1) the bottom of the prefabricated wall;

2) Install the bottom of the wall at the site and install a chain knife on its track;