A construction method and construction platform for a cross-hole pile

Abstract

The application provides a kind of crosswise drilling pile construction method, comprising the following steps: S1, measurement positioning, and the first row of steel casing is struck, and drilling pile is constructed;S2, steel casing accessory is installed on steel casing, and main beam is connected;S3, secondary beam is erected on main beam;S4, beam deck is laid on secondary beam, and operation platform is formed;S5, construction equipment advances along the direction of operation platform laying, and the next row of steel casing is struck;S6, repeat steps S2-S5 until all drilling piles are constructed.The application provides a kind of crosswise drilling pile construction method and construction platform, which does not need to set auxiliary pile and auxiliary platform, and does not need to use water construction ship, adopts crosswise construction method, retains the construction efficiency and convenience of water hole drilling pile, is convenient for access difficulty, and is suitable for small-scale water drilling pile construction;Adopt prefabricated platform structure, which is more convenient to build and remove, and is suitable for different construction needs, and is more efficient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bored pile construction, in particular to a crosswise bored pile construction method and construction platform. BACKGROUND

[0002] With the vigorous promotion of China's infrastructure, the port and waterway industry has developed rapidly, and the port construction technology is becoming more and more mature. In order to ensure the operation of the port, various buildings such as bridges will be constructed in the port, so that the frequency of using water bored piles in port engineering is relatively high.

[0003] In the traditional process construction, the conventional method is to set up a fixed operation platform to assist the water bored pile construction, that is, first set up a construction auxiliary operation platform based on an auxiliary pile, and then use equipment to construct the bored pile or use a construction ship to directly start the construction of the bored pile on the water surface.

[0004] In the process of constructing the bored pile, the mechanical drilling is generally used first, and then the concrete is injected to form the pile foundation. In the water construction, the steel casing needs to be driven, and then the bored pile is formed by drilling and injecting concrete.

[0005] However, in the prior art, the operation platform uses an auxiliary pile as the foundation, and the steel casing for the bored pile is driven after the completion of the one-time setting. The large-area fixed platform has high construction cost, complicated construction operation, low work efficiency, and difficulty in disassembly after the completion of the construction.

[0006] The practical construction ship also has high construction cost, and the construction ship is not suitable for the construction of the water bored pile in the case of difficult access and small scale. SUMMARY

[0007] The main purpose of the present application is to provide a crosswise bored pile construction method and construction platform, which solves the problems of high construction cost and low efficiency of the existing water bored pile construction.

[0008] To solve the above technical problems, the technical solution adopted by the present application is as follows:

[0009] A crosswise bored pile construction method comprises the following steps:

[0010] S1, measuring and positioning, driving the first row of steel casings, and constructing the bored pile;

[0011] S2, installing the steel casing accessories on the steel casings, and connecting the main beam;

[0012] S3, setting up the secondary beam on the main beam;

[0013] S4, laying the beam upper panel on the secondary beam to form the operation platform;

[0014] S5, the construction equipment moves forward along the laying direction of the operation platform, and the next row of steel casings is driven.

[0015] S6, repeating steps S2-S5 until all the drilling piles are completed.

[0016] In the preferred embodiment, the first row of steel casings is close to the shore, and the first row of steel casings and the shore are connected by the main beams, the secondary beams and the beam upper panels;

[0017] The main beams and the secondary beams are both I-beams or H-beams.

[0018] In the preferred embodiment, the secondary beams and the beam upper panels are modularized in S3 and S4; the beam upper panels are connected in a movable manner, and are folded before installation, with two beam upper panels in the middle and the secondary beams on both sides; when laying:

[0019] S31, placing the modularized secondary beams and the beam upper panels on the main beams;

[0020] S32, adjusting the positions so that the beam upper panels are close to the edges of the installation positions;

[0021] S33, rotating the connected secondary beams and the beam upper panels to unfold the beam upper panels and place the secondary beams on the main beams;

[0022] S34, placing another modularized secondary beam and beam upper panel on the main beam;

[0023] S35, repeating S32-S34 until the laying is completed;

[0024] The laying of the panel structure is quickly completed through the above steps;

[0025] The connection structure between the beam upper panels is a hinge, a chain, a hinge or a connecting belt.

[0026] A cross-span drilling pile construction platform, comprising an accessory for connecting a steel casing;

[0027] A first main beam is arranged between two adjacent steel casings, and the first main beam is connected with the accessory;

[0028] The top of the first main beam is provided with a plurality of secondary beams;

[0029] The top of the secondary beam is provided with a panel structure.

[0030] In the preferred embodiment, the secondary beam is a first secondary beam, and the top of the first secondary beam is provided with a panel, and the panel structure is a panel;

[0031] Or

[0032] The panel structure is a first cover plate and a second cover plate, and the secondary beam is a second secondary beam and a third secondary beam;

[0033] A second main beam is arranged in a direction perpendicular to the first main beam, and the second main beam is connected to the steel casing through an accessory;

[0034] The two first cover plates are a group, and a plurality of connecting blocks are hinged between the two first cover plates in the same group, and the first cover plate is connected to the second beam;

[0035] The two second cover plates are a group, and a plurality of connecting blocks are hinged between the two second cover plates in the same group; one of the two second cover plates in the same group is connected to the second beam, and the other second cover plate is connected to the third beam, and the third beam is connected to the top of the second main beam;

[0036] The third beam is arranged perpendicularly to the second beam.

[0037] In the preferred scheme, the accessory includes a curved plate connected to the steel casing, the curved plate is provided with three auxiliary plates, the auxiliary plates are connected to straight plates; the first main beam and the second main beam are located at the top of the curved plate and the straight plate; the top surfaces of the curved plate and the straight plate are in the same plane.

[0038] The same accessory connects two first main beams or two second main beams;

[0039] The top ends of the three auxiliary plates exceed the curved plate and the straight plate, forming two installation grooves, and the first main beam is located inside the installation groove.

[0040] In the preferred scheme, the steel casing is provided with two connecting sleeves, the two connecting sleeves are arc-shaped, and the two connecting sleeves are oppositely arranged; the two ends of the connecting sleeve are provided with connecting plates, and a plurality of bolts are arranged between the two connecting plates located in different connecting sleeves and adjacent to each other, the bolts pass through the two connecting plates, and the bolts are connected with nuts;

[0041] The two connecting plates are combined to tightly hold the steel casing;

[0042] A plurality of positioning holes are arranged on the steel casing, and a positioning block is arranged on the inner side of the connecting sleeve, and the positioning block is located in the positioning hole;

[0043] The curved plate is connected to the connecting sleeve;

[0044] The same connecting sleeve is connected with a plurality of accessories.

[0045] In the preferred scheme, one corner of the panel is provided with a connecting groove, and the connecting groove is a quarter circle; the top of the steel casing is provided with a circular plate, and the circular plate is matched with the connecting groove;

[0046] A plurality of connecting rods are arranged at the bottom of the panel, and the connecting rods are connected with positioning rods; the positioning rods are arc-shaped, and the positioning rods are tightly attached to the steel casing.

[0047] In the preferred scheme, the top of the accessory is provided with a partition plate, a plurality of positioning plates are arranged at the top end of the partition plate, and the positioning plates are located at the top of the first main beam;

[0048] The positioning groove is arranged between the positioning plates and is used for positioning the placement position of the secondary beam.

[0049] In the preferred scheme, the bottom of the first main beam is provided with a supporting plate, the bottom of the supporting plate is provided with a supporting rod, and the supporting rod is connected with a guide plate through a hinge shaft.

[0050] The outer part of the steel casing is provided with a fixing sleeve, and the guide plate is located at the top of the fixing sleeve.

[0051] The guide plate is located at the top of the fixing sleeve.

[0052] The fixing sleeve is provided with a plurality of insertion holes, and the bottom of the guide plate is provided with an insertion column matched with the insertion holes.

[0053] The present application provides a cross-span drilling pile construction method and a construction platform, which has the following beneficial effects by adopting the above scheme:

[0054] 1. The cross-span construction method directly uses the rotary pile as the base pile without the need for additional auxiliary piles and auxiliary platforms or the use of water construction ships, thereby ensuring the construction efficiency and convenience of the water rotary pile.

[0055] 2. The water construction equipment such as water construction ships is not needed, and the construction can be completed only by using the onshore construction equipment, thereby being more cost-effective and convenient to operate.

[0056] 3. The simple structure is used for construction, which is simpler to operate, and a large crane is not needed, and a small crane can complete the operation, thereby being more cost-effective.

[0057] 4. The prefabricated platform structure and construction method are used, which is more convenient to build and remove, and is suitable for different construction requirements, thereby being more efficient.

[0058] 5. The water drilling pile construction of a small scale and difficult to access is facilitated. DETAILED DESCRIPTION

[0059] The present application will be further described below in combination with the drawings and examples:

[0060] Figure 1 is a structural schematic view of a cross-span drilling pile construction platform of the present application;

[0061] Figure 2 is a top view of a cross-span drilling pile construction platform of the present application;

[0062] Figure 3 is a front view of a cross-span drilling pile construction platform of the present application;

[0063] Figure 4 is an enlarged structural schematic view of the accessory of the present application;

[0064] Figure 5 is an embodiment structure schematic diagram of a cross-by-cross type bored pile construction platform of the present application;

[0065] Figure 6 is an enlarged structure schematic diagram of the partition plate of the present application;

[0066] Figure 7 is a structure schematic diagram of the connection between the round plate and the panel of the present application;

[0067] Figure 8 is an embodiment structure schematic diagram of a cross-by-cross type bored pile construction platform of the present application;

[0068] Figure 9 is an embodiment structure schematic diagram of a cross-by-cross type bored pile construction platform of the present application;

[0069] Figure 10 is an embodiment enlarged structure schematic diagram of a cross-by-cross type bored pile construction platform of the present application;

[0070] Figure 11 is an embodiment structure schematic diagram of a cross-by-cross type bored pile construction platform of the present application;

[0071] Figure 12 is a sectional view of the guide plate of the present application;

[0072] Figure 13 is a structure schematic diagram of the first cover plate and the second beam after folding of the present application.

[0073] In the drawings:

[0074] steel casing 1, accessory 2, curved plate 201, auxiliary plate 202, straight plate 203, connecting sleeve 211, positioning hole 212, positioning block 213, connecting plate 214, bolt 215, nut 216, first main beam 3, second main beam 31, partition plate 301, positioning plate 302, positioning groove 303, first beam 4, panel 5, round plate 501, connecting groove 502, positioning rod 503, connecting rod 504, first cover plate 601, second beam 602, connecting block 603, second cover plate 604, third beam 605, supporting plate 701, supporting rod 702, fixing sleeve 703, guide plate 704, hinged shaft 705, insertion hole 706, insertion column 707. DETAILED DESCRIPTION

[0075] Embodiment 1:

[0076] A cross-by-cross type bored pile construction method, comprising the following steps:

[0077] S1, measuring and positioning, determining the position of the steel casing, then driving the first row of steel casings, and constructing the bored pile;

[0078] The steel casing is adopted by the existing onshore construction equipment, and the bored pile construction is also adopted by the onshore construction equipment;

[0079] S2, a steel casing accessory is installed on the steel casing, the steel casing accessory can be connected with the outer wall of the steel casing by welding, and a main beam is connected, and both ends of the main beam are arranged on the top of the steel casing accessory;

[0080] S3, a secondary beam is erected on the main beam; the secondary beam is located at least on the top of two main beams, and both ends of the secondary beam need to be supported by the main beam;

[0081] The main beam can be provided with a positioning structure; the positioning structure is, for example, a metal block welded for positioning the position of the secondary beam, or a plurality of screw holes are pre-set on the main beam, and then a screw is used for connection, so as to position the position of the secondary beam;

[0082] There is a gap between adjacent secondary beams to adapt to the structural deformation and adjustment requirements in the construction process.

[0083] S4, a beam panel is laid on the secondary beam to form a working platform; the beam panel is a prefabricated steel plate, and the connecting part of the beam panel is in close contact; the beam panel can be theoretically combined infinitely;

[0084] The bottom surface of the beam panel is a plane, or a plug-in block is arranged, the plug-in block is inserted into the gap between the adjacent secondary beams to complete positioning and stabilization,

[0085] S5, the construction equipment moves forward along the laying direction of the working platform, and the next row of steel casings and bored piles are constructed;

[0086] S6, steps S2-S5 are repeated until all the bored piles are constructed.

[0087] Through the above construction method, the present application can be constructed in a cross-section manner along the construction direction of the bored pile, without the need for auxiliary piles or construction ships, which greatly simplifies the construction operation process, significantly improves the construction efficiency, and greatly reduces the construction cost;

[0088] And the present application only uses the main beam and the secondary beam for combination, without using large supporting frames and lifting equipment, which further reduces the cost, and is more convenient for combination and subsequent removal, and is convenient for water drilling of small-scale water drilling piles.

[0089] In the preferred scheme, since the support point of the present application is the steel casing, after the steel casing is constructed, the connection of the main beam and the secondary beam can be synchronized with the construction of the bored pile, and when the beam panel is laid, the position of the steel casing is reserved, and the beam panel on the steel casing is laid after the corresponding bored pile is completed, which is simple in operation and higher in construction efficiency.

[0090] In the preferred scheme, the first row of steel casings is close to the shore, and the first row of steel casings and the shore are connected through the main beam, the secondary beam and the beam upper panel; a platform or an edge protection structure is arranged on the shore at the construction position according to the existing mode, after the first main beam 3 is erected between the first row of steel casings, one end of the first main beam 3 can be directly used to be erected on the edge of the casing, the other end is erected on the shore, the shore is reinforced by using concrete, and then the secondary beam and the beam upper panel are erected, and a concrete slope is arranged at the connection between the beam upper panel and the shore to facilitate the passing of the construction equipment.

[0091] The main beam and the secondary beam are both made of I-beam or H-beam, which has simple structure and high strength, and can effectively meet the bearing requirements in the construction process.

[0092] Embodiment 2

[0093] In S3 and S4, the secondary beam and the beam upper panel are modularly designed, the modular design is beneficial to the rapid installation and disassembly of the panel, increases the efficiency and reduces the construction difficulty; the beam upper panel referred to in this embodiment is a rectangle, the length is not less than the length of the secondary beam, and the width is not less than the width sum of two secondary beams; there is a gap between the adjacent secondary beams, and the beam upper panel can completely cover the connected secondary beams.

[0094] The secondary beam and the beam upper panel are fixedly connected, preferably by welding, and the beam upper panels are connected in pairs by a movable manner, folded before installation, with two beam upper panels located in the middle and the secondary beam located on both sides; the folding can reduce the occupied area during transportation and storage, and is more convenient for hoisting, thereby reducing the construction difficulty;

[0095] The connection structure between the beam upper panels is a hinge, a chain, a hinge or a connecting belt, which is specifically determined according to the actual use requirement, and can ensure that the two beam upper panels can be normally folded;

[0096] During laying:

[0097] S31, the modular secondary beam and the beam upper panel are placed on the main beam, and the existing crane can be used for hoisting;

[0098] S32, the position is adjusted to make the beam upper panel close to the edge of the installation position;

[0099] The non-folded side is close to the edge, and the folded side is away from the edge during adjustment, so that the subsequent overturning is facilitated, and the non-folded side refers to the edge of the unfolded beam upper panel, and the folded side refers to the side where the connection structure is located;

[0100] S33, the connected secondary beam and the beam upper panel are rotated to unfold the beam upper panel, and the secondary beam is placed on the main beam;

[0101] The position is adjusted, and at this time, the installation of a group of modular secondary beams and beam upper panels is completed, which is simple to operate;

[0102] S34, placing another modular secondary beam and beam upper panel on the main beam;

[0103] S35, repeating S32-S34 until the laying is completed;

[0104] Through the above steps, the laying of the panel structure is quickly completed;

[0105] Through modular installation, the efficiency is higher, the operation is more convenient, the construction efficiency is increased, and the construction difficulty is reduced;

[0106] And the way of placing the beam upper panel after the secondary beam needs to wait for the installation of the beam upper panel to be completed after the installation of the secondary beam, and the modular installation method can use one secondary beam and beam upper panel module immediately after installation, without waiting for the installation of the secondary beam and beam upper panel to be completed before use, so that the operation space is larger and the adaptability is better.

[0107] Embodiment 3:

[0108] As shown in Figure 1 , 2 and 3, a cross-span type bored pile construction platform comprises an accessory 2 for connecting a steel casing 1;

[0109] A first main beam 3 is arranged between two adjacent steel casings 1, and the first main beam 3 is connected with the accessory 2;

[0110] The top of the first main beam 3 is provided with a plurality of secondary beams; the first main beam 3 and the secondary beams are both in H-shaped or I-shaped steel structure, and the secondary beams provide a support frame for subsequent laying of the panel structure;

[0111] The top of the secondary beam is provided with a panel structure.

[0112] The application connects the steel casing 1 through a simple structure, constructs a construction platform based on a bored pile, and no longer needs to additionally arrange an auxiliary pile to arrange a construction platform, but is constructed in a cross-span type, has higher efficiency, has lower cost, does not need to use a construction ship, and is convenient for water drilling of a small-scale bored pile construction.

[0113] In the preferred scheme, the secondary beam is a first secondary beam 4, the top of the first secondary beam 4 is provided with a panel 5, and the panel structure is the panel 5; in construction, the first secondary beam 4 is first placed on the top of the first main beam 3, and then the panel 5 is laid; the panel 5 is a large-area plate, can effectively reduce a splicing gap, improves the integrity and stability of the operation platform, and provides a more stable and reliable working surface for the operation and construction operation of the construction equipment.

[0114] Embodiment 4:

[0115] As shown in Figure 5 and 7As shown, one corner of the panel 5 is provided with a connecting groove 502, which is a quarter circle; the top of the steel casing 1 is provided with a round plate 501, which is matched with the connecting groove 502, and the diameter of the round plate 501 is larger than that of the steel casing 1;

[0116] The bottom of the panel 5 is provided with a plurality of connecting rods 504, which are connected with positioning rods 503; the positioning rods 503 are arc-shaped, and the positioning rods 503 are tightly attached to the steel casing 1.

[0117] During installation, the panel 5 is installed first, then the panel 5 is moved to make the positioning rods 503 tightly attached to the steel casing 1, and the connecting rods 504 close to the secondary beam; when the four panels 5 on the steel casing 1 are all connected, a circular hole is formed on the steel casing 1, and the round plate 501 is placed in the circular hole, so that when further drilling pile construction is needed in the steel casing 1, the round plate 501 can be taken out for operation, which will not affect the panels 5 at other positions, thereby meeting the needs of connecting panels while constructing drilling piles, improving construction efficiency, and facilitating subsequent maintenance of the drilling piles.

[0118] Embodiment 5:

[0119] As shown in Figure 8 , 9 , 10 and 13, the panel structure is a first cover plate 601 and a second cover plate 604, and the secondary beam is a second secondary beam 602 and a third secondary beam 605;

[0120] A second main beam 31 is arranged in a direction perpendicular to the first main beam 3, and the second main beam 31 is connected to the steel casing 1 through the accessory 2; the second main beam 31 is an I-beam or H-beam structure;

[0121] Two first cover plates 601 form a group, and a plurality of connecting blocks 603 are hinged between the two first cover plates 601 in the same group; the first cover plate 601 is connected with the second secondary beam 602; this is a prefabricated structure used for laying the panel of the middle section, which is initially in a folded state during laying, the second secondary beam 602 is placed on the first main beam 3 first, then the first cover plate 601 is rotated to unfold the first cover plate 601, and the second secondary beam 602 is located on the first main beam 3, forming a state as shown in Figure 8 , that is, the connection is successful, and vice versa, which can be disassembled;

[0122] As shown in Figure 13 , it is in a folded state, which can be conveniently moved and carried after folding.

[0123] Two second cover plates 604 form a group, and a plurality of connecting blocks 603 are hinged between the two second cover plates 604 in the same group; one of the two second cover plates 604 in the same group is connected with the second secondary beam 602, and the other second cover plate 604 is connected with the third secondary beam 605, and the third secondary beam 605 is connected to the top of the second main beam 31;

[0124] The third beam 605 is arranged perpendicularly to the second beam 602.

[0125] The second cover plate 604 is a prefabricated structure used near the position of the drilled pile 1. When laying, it is initially in a folded state. The second beam 602 is first placed on the first main beam 3, and then the second cover plate 604 is rotated to drive the third beam 605 to rotate until it is placed on the top of the second main beam 31, as shown in the state shown in the figure, the connection can be completed, and vice versa. Figure 8

[0126] The prefabricated panel and beam structure of the embodiment is more convenient to disassemble and assemble. When constructing, the beam and panel module of a group of beams can be used immediately after the construction is completed, without waiting for the installation of all beams and panel modules. The operation space is larger, the adaptability is better, and the disassembly is more convenient.

[0127] Embodiment 6:

[0128] As shown in Figure 1 , 2 , 3, 4, 5, 7, 8, 9 and 10, the embodiment can be used in any of the above embodiments. Specifically, the accessory 2 includes a curved panel 201 connected with the steel casing 1, and the curved panel 201 is welded with the steel casing 1. The curved panel 201 is provided with three auxiliary plates 202 connected by welding. The auxiliary plate 202 is connected with a straight plate 203 connected by welding. The first main beam 3 and the second main beam 31 are located on the top of the curved panel 201 and the straight plate 203. The top surfaces of the curved panel 201 and the straight plate 203 are in the same plane, so as to facilitate the placement of the first main beam 3 and the second main beam 31.

[0129] The same accessory 2 connects two first main beams 3 or two second main beams 31 to ensure sufficient support beams. One or more can also be provided according to needs.

[0130] The top ends of the three auxiliary plates 202 exceed the curved panel 201 and the straight plate 203, forming two installation grooves. The first main beam 3 or the second main beam 31 is located inside the installation groove. Through the installation groove, the installation position of the first main beam 3 and the second main beam 31 can be positioned, and the first main beam 3 and the second main beam 31 can be limited to avoid random shaking of the first main beam 3 and the second main beam 31.

[0131] ​In a further preferred embodiment, the curved panel 201 is not directly connected to the steel casing 1 after the completion of the steel casing 1 construction due to the inconvenience of high-altitude welding of the curved panel 201 and the instability of the welding operation. Specifically, two connecting sleeves 211 are arranged outside the steel casing 1, the two connecting sleeves 211 are arc-shaped, and the two connecting sleeves 211 are oppositely arranged; both ends of the connecting sleeve 211 are provided with a connecting plate 214, and a plurality of bolts 215 are arranged between two adjacent connecting plates 214 located in different connecting sleeves 211, the bolts 215 pass through the two connecting plates 214, and the bolts 215 are connected with nuts 216;

[0132] The two connecting plates 214 are combined to tightly hold the steel casing 1;

[0133] The steel casing 1 is provided with a plurality of positioning holes 212, and the inner side of the connecting sleeve 211 is provided with a positioning block 213 located in the positioning hole 212;

[0134] Before the connecting plate 214 connects the steel casing 1, the curved panel 201 is connected with the connecting sleeve 211, and preferably, the curved panel 201 is welded with the connecting sleeve 211;

[0135] The same connecting sleeve 211 is connected with a plurality of accessories 2, and the specific number of accessories 2 is determined according to the actual situation and needs.

[0136] After the completion of the steel casing 1 construction, the two connecting plates 214 are combined to be arranged outside the steel casing 1, and the positioning block 213 is arranged in the inside of the positioning hole 212, and then the nuts 216 are tightened to tightly hold the two connecting plates 214 to the steel casing 1, so that the fixing is completed, thereby completing the connection of the accessories 2, which is simple to operate and convenient to connect. Compared with the welding method of the accessories 2 and the steel casing 1, the operation of the embodiment is simpler, the connection is more firm, and it is more convenient for the user to connect the accessories 2.

[0137] Embodiment 7:

[0138] As shown in Figure 1 , 5 , 6, 8 and 10, the embodiment can be used in any of the above embodiments; the top of the accessory 2 is provided with a partition plate 301, the top of the partition plate 301 is provided with a plurality of positioning plates 302, and the positioning plates 302 are located at the top of the first main beam 3; similarly, the positioning plates 302 can also be arranged at the top of the second main beam 31.

[0139] The positioning plates 302 are provided with positioning grooves 303 for positioning the placement position of the secondary beam, and the spacing of the positioning plates 302 is determined according to the actual needs.

[0140] Before connecting the secondary beam, the partition plate 301 can be placed first, and then the positioning plates 302 above the partition plate 301 can be used to position the placement position of the secondary beam, and then the secondary beam can be placed, which is simple to operate and convenient to position, and ensures the stability of the placement of the secondary beam.

[0141] According to the need, the height of the partition plate 301 can exceed the first main beam 3 to limit the end position of the secondary beam; or be the same height as the first main beam 3, so as to position the secondary beam position through the positioning plate 302 without affecting the placement of the secondary beam;

[0142] Embodiment 8:

[0143] As shown in Figure 11 and 12 , at the same time, the present embodiment can be used in any of the above embodiments; the bottom of the first main beam 3 is provided with a supporting plate 701, the bottom of the supporting plate 701 is provided with a supporting rod 702, and the supporting rod 702 is connected with a guide plate 704 through a hinge shaft 705;

[0144] The outer part of the steel casing 1 is provided with a fixing sleeve 703, and the guide plate 704 is located at the top of the fixing sleeve 703;

[0145] The guide plate 704 is located at the top of the fixing sleeve 703;

[0146] The fixing sleeve 703 is provided with a plurality of insertion holes 706, and the bottom of the guide plate 704 is provided with an insertion column 707 which is matched with the insertion hole 706.

[0147] Before connecting the first main beam 3, the supporting plate 701 is placed down first, the supporting plate 701 drives the supporting rod 702 and the guide plate 704 to move down until the insertion column 707 is completely inserted into the inside of the insertion hole 706, and then the first main beam 3 is placed (the second main beam 31 can be installed in the same way), that is, the installation is completed, and the first main beam 3 and the second main beam 31 can be supported to a certain extent through the supporting plate 701 and the supporting rod 702, further increasing the stability;

[0148] The top of the supporting plate 701 is provided with a slot which is matched with the first main beam 3 and the second main beam 31.

[0149] According to the need, the present application can also use other ways to reinforce and support the first main beam 3, such as setting double-layer accessories 2 and the first main beam 3.

[0150] The above embodiments are only preferred technical solutions of the present application, and should not be regarded as a limitation of the present application, and the protection scope of the present application should be the technical solutions recited in the claims, including the equivalent replacement solutions of the technical features recited in the claims. That is, the equivalent replacement improvement within this range is also within the protection scope of the present application.

Claims

1. A span-by-span bored pile construction platform, characterized by: The invention comprises an attachment (2), wherein the attachment (2) is used to connect the steel casing (1); A first main beam (3) is provided between two adjacent steel casings (1), and the first main beam (3) is connected to the attachment (2); A plurality of secondary beams are provided on the top of the first main beam (3); The top of the secondary beam is provided with a panel structure; The panel structure comprises a first cover plate (601) and a second cover plate (604), and the secondary beams comprise a second secondary beam (602) and a third tertiary beam (605); A second main beam (31) is provided in a direction horizontally and perpendicularly to the first main beam (3), and the second main beam (31) is connected to the steel casing (1) via an attachment (2); Two first cover plates (601) form a group, and a plurality of connection blocks (603) are hinged between the two first cover plates (601) in the same group, and the first cover plates (601) are connected to the secondary beam (602); The two second cover plates (604) form a group, and a plurality of connecting blocks (603) are hinged between the two second cover plates (604) in the same group; among the two second cover plates (604) in the same group, one second cover plate (604) is connected to the secondary beam (602), and the other second cover plate (604) is connected to the tertiary beam (605), and the tertiary beam (605) is connected to the top of the second main beam (31); The third beam (605) is arranged perpendicular to the second beam (602); The accessory (2) includes a curved panel (201) connected to the steel casing (1), the curved panel (201) is provided with three auxiliary panels (202), and the auxiliary panels (202) are connected to straight panels (203); the first main beam (3) and the second main beam (31) are located on top of the curved panel (201) and the straight panels (203); the top surfaces of the curved panel (201) and the straight panels (203) are in the same plane; The same attachment (2) connects two first main beams (3) or two second main beams (31); The top ends of the three auxiliary plates (202) extend beyond the curved plate (201) and the straight plate (203), forming two installation grooves, and the first main beam (3) is located inside the installation grooves; Two connecting sleeves (211) are provided outside the steel casing (1), the two connecting sleeves (211) are arc-shaped, and the two connecting sleeves (211) are arranged opposite to each other; connecting plates (214) are provided at both ends of the connecting sleeves (211), and a plurality of bolts (215) are provided between two adjacent connecting plates (214) located in different connecting sleeves (211), the bolts (215) pass through the two connecting plates (214), and the bolts (215) are connected to nuts (216); The two connecting plates (214) are combined to hold the steel casing (1); A plurality of positioning holes (212) are provided on the steel casing (1), a positioning block (213) is provided on the inner side of the connecting sleeve (211), and the positioning block (213) is located in the positioning hole (212); The curved panel (201) is connected to the connecting sleeve (211); A plurality of accessories (2) are connected to the same connecting sleeve (211); A connecting groove (502) is provided at one corner of the panel (5), and the connecting groove (502) is in the shape of a quarter circle; a circular plate (501) is provided at the top of the steel casing (1), and the circular plate (501) is adapted to the connecting groove (502); A plurality of connecting rods (504) are provided at the bottom of the panel (5), and the connecting rods (504) are connected to positioning rods (503); the positioning rods (503) are arc-shaped, and the positioning rods (503) are closely attached to the steel casing (1); A partition (301) is provided on the top of the attachment (2), and a plurality of positioning plates (302) are provided on the top of the partition (301), and the positioning plates (302) are located on the top of the first main beam (3); Positioning grooves (303) are provided between the positioning plates (302), and the positioning grooves (303) are used to locate the placement position of the secondary beam; A supporting plate (701) is provided at the bottom of the first main beam (3), a supporting rod (702) is provided at the bottom of the supporting plate (701), and the supporting rod (702) is connected to a guide plate (704) via a hinge shaft (705); A fixing sleeve (703) is provided on the outside of the steel casing (1), and a guide plate (704) is located on the top of the fixing sleeve (703); The guide plate (704) is located on the top of the fixed sleeve (703); A plurality of plug holes (706) are provided in the fixing sleeve (703), and a plug post (707) is provided at the bottom of the guide plate (704), and the plug post (707) is adapted to the plug hole (706).

2. A span-by-span bored pile construction method, characterized by: The invention relates to a span-by-span bored pile construction platform according to claim 1, comprising the following steps: S1. Measure and locate, install the first row of steel casing, and construct bored piles; S2. Install the steel casing accessories on the steel casing and connect it to the main beam; S3. Build secondary beams on the main beams; S4. Lay the upper beam panel on the secondary beam to form a working platform; S5. The construction equipment moves forward along the laying direction of the working platform to complete the installation of the next row of steel casing; S6. Repeat steps S2 to S5 until all bored piles are constructed.

3. The method for constructing span-by-span bored piles according to claim 2, wherein: The first row of steel casings is close to the shore and is connected to the shore through main beams, secondary beams and beam upper panels; Both the main beam and the secondary beam are made of I-beam or H-steel.

4. The method for constructing span-by-span bored piles according to claim 2, wherein: In S3 and S4, the secondary beams and beam upper panels are modularly designed. The beam upper panels are movably connected in pairs and folded in half before installation, with the two beam upper panels in the middle and the secondary beams on both sides. During laying: S31, placing the modular secondary beam and beam upper panel on the main beam; S32. Adjust the position so that the upper panel of the beam is close to the edge of the installation position; S33, rotating the connected secondary beams and the upper beam panel to unfold the upper beam panel so that the secondary beams are all placed on the main beams; S34, placing another modular secondary beam and the beam upper panel on the main beam; S35, repeat S32-S34 until paving is completed; The panel structure is quickly laid through the above steps; The connection structure between the upper panels of the beam is a hinge, chain, hinge or connecting belt.

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