WO2018166519A1 - Dispositif de construction de pont et son procédé de construction - Google Patents

Dispositif de construction de pont et son procédé de construction Download PDF

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Publication number
WO2018166519A1
WO2018166519A1 PCT/CN2018/079253 CN2018079253W WO2018166519A1 WO 2018166519 A1 WO2018166519 A1 WO 2018166519A1 CN 2018079253 W CN2018079253 W CN 2018079253W WO 2018166519 A1 WO2018166519 A1 WO 2018166519A1
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WIPO (PCT)
Prior art keywords
bridge
pier
crane
foundation
support
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PCT/CN2018/079253
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English (en)
Chinese (zh)
Inventor
王燏斌
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王燏斌
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Publication date
Application filed by 王燏斌 filed Critical 王燏斌
Publication of WO2018166519A1 publication Critical patent/WO2018166519A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges

Definitions

  • the invention relates to a bridge building device and a construction method thereof, and belongs to the technical field of bridge engineering.
  • the existing cofferdam method In the construction of existing cross-river bridges, it is necessary to encircle the rivers and then piling and bridging.
  • the existing cofferdam method generally adopts steel sheet pile cofferdam, which has the problems of large investment, long construction period and difficult construction.
  • the existing bridge erecting machine can only be used for girders, and foundation and pier construction cannot be carried out.
  • the invention provides a bridge building device and a construction method thereof, the purpose of which is to overcome the defects existing in the prior art, and the main advantages thereof are as follows: 1) the bridge device can construct a bridge foundation, can also install a pier, and can also build a bridge. , construction is fast; 2) The bridge foundation is prefabricated in sections, sinking in sections, without the need for cofferdams, and the construction is simple.
  • the bridge building device comprises a bridge machine 1, a moving rail 2, a mobile crane 3 and a bridge foundation construction device 4, and the bridge machine 1 is provided with a rear end support 1-1, a middle support 1-2 and
  • the front end support 1-3, the bottom end support 1-1 and the bottom support 1-2 are respectively provided with a running device 1-1-1 and a walking device 1-2-1, and a bottom portion of the front end support 1-3 is provided with a running device 1-3-1, the traveling device 1-1-1 and the traveling device 1-2-1 are operated on the erected beam, the traveling device 1-3-1 is operated on the moving rail 2, and the front end support 1-3 is further provided.
  • a lifting support device 1-3-2 a crane 1-4 provided on the upper part of the bridge machine 1, and the lifting support device 1-3-2 is supported on the pier when the bridge machine 1 is hoisting or when the moving rail 2 is running;
  • the function of the bridge machine 1 is: one is the frame beam; the other is to lift the foundation or pier from the erected beam to the front end of the framed beam;
  • the rear end of the moving track 2 is provided with the rear end lifting support device 2-1, the bottom of the rear end lifting support device 2-1 is supported on the pier;
  • the front end of the moving rail 2 is provided with a front end lifting support device 2-2, and the bottom of the front end lifting support device 2-2 is supported on the ground or the bottom;
  • the top of the mobile crane 3 is provided with a rail on which the top crane 3-1 is provided, and the top crane 3-1 runs from the front or the rear to the rear or front portion in the mobile crane 3 through the rail; the bottom of the mobile crane 3
  • the rear end is provided with a walking device 3-2.
  • the walking device 3-2 has two structures: one can only walk on the existing beam, and the other can walk on the existing beam and the moving rail 2; the bottom of the mobile crane 3 is moved.
  • the front end and the middle are provided with a running device 3-3 running on the moving rail 2, and the mobile crane 3 puts the prefabricated bridge foundation into the bridge foundation construction device 4, and completes the construction of the bridge foundation in the bridge foundation construction device 4;
  • the bridge foundation construction device 4 is also supported by the moving rail 2; the mobile crane 3 places the prefabricated pier above the constructed bridge foundation, and the mobile crane 3 will complete the bridge.
  • the bridge foundation construction device 4 for foundation construction is moved to the position where the bridge foundation construction is awaited, and the bridge foundation construction device 4 completes the construction of the foundation, and the bridge construction device can complete the construction of the bridge foundation, the pier and the beam.
  • the invention has the advantages that the bridging device can construct the bridge foundation or the bridge; the bridge foundation is prefabricated in sections, the section is sunken, no cofferdam is needed, the construction is simple, and the construction period is short.
  • FIG. 1 is a schematic structural view of a bridge-building device composed of a bridge machine 1, a moving rail 2, a mobile crane 3, a construction device 4-1 of a bridge foundation 6 with a chain cutter at the bottom during construction, and a mobile support device 5;
  • a walking device 1-2 having a rear support 1-1, a middle support 1-2, a front end support 1-3, a rear end support 1-1 bottom walking device 1-1-1, and a middle support 1-2 -1, the traveling device 1-3-1 at the bottom of the front end support 1-3, the jacking support device 1-3-2 at the bottom of the front end support 1-3, and the bridge machine 1 composed of the upper horizontally moving crane 1-4 Schematic;
  • FIG. 3 is a rear end lifting support device 2-1, a front end lifting support device 2-2, a front walking support device 2-3, a walking device 2-3-1, a traveling device 2-3-2, and a rear walking support device 2 4.
  • a schematic structural view of a moving track 2 composed of a traveling device 2-4-1 and a traveling device 2-4-2;
  • FIG. 4 is a schematic structural view of a mobile crane 3 composed of a top crane 3-1, a traveling device 3-2, and a traveling device 3-3;
  • Figure 5 is a basic construction device 4-1 consisting of a fixed guide 4-1-1, a chain cutter power transmission 4-1-2, a spoil treatment device 4-1-3, and a frame 4-1-4.
  • the structural schematic diagram is also a schematic structural view of the chain excavating device 12 composed of the device 4-1-2 and the foundation 6 and the chain cutter 11;
  • Figure 6 is a view in the direction of arrow A of Figure 5, and is also a schematic structural view of a chain conveyor composed of a side cover 10 and a chain cutter 11 at the bottom;
  • Figure 7 is a BB view of Figure 5, also a cross-sectional view of the frame 4-1-4 of the construction apparatus 4-1, and also the mud line 13-1 of the mud line unit 13 on the frame 4-1-4. Schematic;
  • Figure 8 is a C-C view of Figure 5, and is also a schematic structural view of the mud nozzle 13-2 at the bottom of the foundation 6 of the mud pipeline device 13;
  • Figure 9 is a schematic view showing the structure of the chain cutter 11, and is also a schematic structural view of the chain 11-1 and the cutter 11-2, and is also a chain 11 composed of A ten-byte 11-1-1 and B-tenbyte 11-1-2.
  • a schematic diagram of a ten-byte structure of 1 is also a schematic diagram of a structure in which the chain 11-1 realizes space bending;
  • Figure 10 is a schematic view showing the structure of the foundation construction device 4-2 by the fixed guiding device 4-2-1, the rotating device 4-2-2, and the descending speed controlling device 4-2-3, and also the excavation of the bottom of the spiral cylindrical foundation 9.
  • Figure 11 is a schematic structural view of a moving support device 5A composed of a traveling device 5-1 and a lifting support device 5-2;
  • FIG. 12 is a schematic structural view of the mobile supporting device 5B composed of the traveling device 5-1, the lifting support device 5-3 and the temporary base 5-4, and is also a schematic structural view of the mobile supporting device 5B supported on the bridge foundation 6;
  • Figure 13 is a schematic structural view of a bridge building device of a double pier 7;
  • Figure 14 shows that the installed beams 8 are the m-1th beam 8, the m-2th beam 8, ..., and the unmounted beams 8 are the m+1th beam 8, the m+2 beam 8, ... ..., the piers 7 corresponding to the mth beam 8 are the mth pier 7 and the m+1 pier 7, respectively, and the piers 7 corresponding to the m-1th beam 8 are the m-1 pier 7 and the m pier 7, respectively, m
  • the piers 7 of the +1 beam 8 are the m+1th pier 7 and the m+2 pier 7, respectively, and the foundation 6 corresponding to the mth pier 7 is a structural schematic of the mth foundation, and is also the mth pier 7 and the m+1 pier.
  • the rear end lifting support device 2-1 of the moving rail 2 is supported at the front end of the mth pier 7, the mobile supporting device 5 is located in front of the m+1th base, and the bridge foundation construction device 4-1 is located at the m+ 2 structural diagram of the basic set position;
  • Figure 15 is a schematic view showing the structure in which the lifting support device 1-3-2 supported by the front end of the bridge machine 1 is separated from the mth pier 7 and the bridge machine 1 moves forward on the moving rail 2 to reach the set position;
  • Figure 16 is a structural schematic view of the moving rail 2 running forward to the set position, and also transporting the mth beam 8 to the m-1th beam 8, located below the rear of the bridging machine 1, the crane above the bridge 1 1-4 is a schematic structural view of running above the mth beam 8;
  • Figure 17 is a schematic view showing the structure of the crane 1-4 above the bridge machine 1 lifting the mth beam 8;
  • Figure 18 is a crane 1-4 on the bridge machine 1 lowering the mth beam 8, the mth beam 8 and the mth beam 8 and the m-1th beam 8, the mth pier 7, and the m+1th pier 7 connected structure diagram;
  • Figure 19 is a structure in which the m+2th base is transported to the m-1th beam 8 and is located below the rear of the bridge machine 1, and the crane 1-4 above the bridge machine 1 is moved to the upper part of the m+2 base.
  • Figure 20 is a schematic view showing the structure of the crane 1-4 above the bridge machine 1 lifting the m+2 foundation 6 and running forward along the track above the bridge machine;
  • Figure 21 is a view showing that the crane 1-4 on the bridge machine 1 lowers the m+2 base 6, and the m+2 base 6 is placed at the front end of the m-1 beam 8, and the crane 1-4 above the bridge machine 1 Run to the rear, let the structure of the space above the m+2 base 6 be opened;
  • Figure 22 is a schematic view showing the structure of the crane 3-1 on the mobile crane 3 lifting the m+2 base 6 and moving forward along the track above the mobile crane 2;
  • Figure 23 is a schematic view showing the structure of the mobile crane 3 running forward along the moving rail 2 to the m+2 base 6 setting position;
  • Figure 24 is a schematic view showing the structure in which the m+2 base 6 is placed in the bridge foundation construction device 4-1, and the mobile crane 3 connects the chain cutter driving device 4-1-2 and the m+2 base 6 top;
  • Figure 25 is a schematic view showing the structure of the starting bridge construction device 4-1, the m+2 base is lowered to the set depth;
  • Figure 26 is the transport of the m+2 spiral cylindrical foundation 9 to the m-1th beam 8, below the rear of the bridge machine 1, and the crane 1-4 above the bridge machine 1 runs to the m+2 spiral Schematic diagram of the structure above the cylindrical foundation 9;
  • Figure 27 is a schematic view showing the structure of the crane 1-4 above the bridge machine 1 lifting the m+2 spiral cylindrical foundation 9 and running forward along the track above the bridge machine 1;
  • Figure 28 is a view showing that the crane 1-4 on the bridge machine 1 lowers the m+2 spiral cylindrical foundation 9, and the m+2 spiral cylindrical foundation 9 is placed at the front end of the m-1 beam 8, the bridge machine 1
  • the upper crane 1-4 runs backwards to allow a schematic view of the space above the m+2 spiral cylindrical foundation 9;
  • Figure 29 is a schematic view showing the structure of the crane 3-1 on the mobile crane 3 lifting the m+2 spiral cylindrical foundation 9 and moving forward along the track above the mobile crane 2;
  • Figure 30 is a schematic view showing the structure in which the mobile crane 3 is moved forward along the moving rail 2 to the set position of the m+2 spiral cylindrical foundation 9;
  • Figure 31 is a view in which the m+2 spiral cylindrical foundation 9 is placed in the bridge foundation construction device 4-2, and the mobile crane 3 connects the rotating device 4-2-2 with the top of the m+2 spiral cylindrical foundation 9.
  • Figure 32 is a schematic structural view showing the start of the bridge construction device 4-2, the m+2 spiral cylindrical foundation 9 is lowered to a set depth;
  • Figure 33 is a schematic view showing the structure in which the rear end lifting support device 2-1 of the moving rail 2 is separated from the mth bridge 7 and the front end lifting support device 2-2 is separated from the ground or the water bottom;
  • Figure 34 is a schematic view showing the structure in which the moving rail 2 is moved forward to the set position, the rear end lifting support device 2-1 is supported and extended, and the front end lifting support device 2-2 is supported and extended;
  • Figure 35 is a view in which the mobile supporting device 5 is moved to the rear of the bridge foundation construction device 4-1 located at the m+2 base position, and the mobile crane 3 is moved above the bridge foundation construction device 4-1 to move the track 2 forward.
  • Figure 36 is a schematic view showing the structure of the crane 3-1 above the mobile crane 3 lifting the bridge foundation construction device 4-1;
  • Figure 37 is a mobile crane 3 with a bridge foundation construction device 4-1 running forward on the moving rail 2 to the top of the m+3 base, and the crane 3-1 on the mobile crane 3 causes the bridge foundation device 4-1 to Schematic diagram of the exact clamping position of the m+3 position;
  • Figure 38 is a schematic view showing the structure of the mobile supporting device 5 moved to the front of the m+2 base;
  • Figure 39 is a schematic view showing the structure of the m+2 pier 7 being transported to the m-1th beam 8 and the crane 1-4 above the bridge machine 1 running above the m+2 pier 7;
  • Figure 40 is a schematic view showing the structure of the crane 1-4 above the bridge machine 1 lifting the m+2 pier 7 and walking to the front end of the m-th beam 8;
  • Figure 41 is a schematic view showing the structure of the crane 1-4 above the bridge crane 1 running backward, and the moving crane 3 running forward along the track above the moving crane 2 to the m+2 pier 7;
  • Figure 42 is a schematic view showing the structure in which the crane 3-1 at the rear of the mobile crane 3 is lifted from the rear of the m+2 pier 7 to the front of the mobile crane 3;
  • Figure 43 is a mobile crane 3 with the m+2 pier 7 running forward to the top of the m+2 base, placing the m+2 pier 7 on the m+2 base and accurately positioning and solidifying into one Schematic diagram of the structure.
  • 1 is the bridging machine of the bridge building device; 1-1 is the rear end support of the bridging machine; 1-1-1 is the running device at the bottom of the rear end support 1-1 of the bridging machine;
  • the middle support of the bridge machine; 1-2-1 is the walking device of the middle support of the bridge machine 1-2; 1-3 is the front support of the bridge machine; 1-3-1 is the front support of the bridge machine 1 -3 at the bottom of the walking device; 1-3-2 is the top support of the front end support 1-3;
  • 1-4 is the crane of the upper part of the bridge machine 1;
  • 2 is the moving track of the bridge building; 2-1 It is a rear end lifting support device provided at the rear end of the moving rail 2, supported on the pier 7; 2-2 is a front end lifting support device provided at the front end of the moving rail 2, supported on the ground or the water bottom;
  • 12 is a chain excavation device consisting of the device 4-1-2 and the bridge foundation 6 and the chain cutter 11; 13 is a mud pipeline device; 13-1 is the frame 4-1-4 in the device 4-1 Mud line; 13-2 is the mud nozzle on the bottom of the bridge foundation 6.
  • the bridge building device comprises a bridge machine 1, a moving rail 2, a mobile crane 3 and a bridge foundation construction device 4.
  • the bridge machine 1 is provided with a rear end support 1-1, a middle support 1-2 and a front end support 1-3, and thereafter
  • the bottom of the end support 1-1 and the middle support 1-2 are respectively provided with a running device 1-1-1 and a traveling device 1-2-1
  • the bottom of the front end support 1-3 is provided with a walking device 1-3-1, walking
  • the device 1-1-1 and the traveling device 1-2-1 are operated on the erected beam
  • the traveling device 1-3-1 is operated on the moving rail 2
  • the front end support 1-3 is further provided with the lifting support device 1-3.
  • the crane 1-4 is provided on the upper part of the bridge machine 1, and the lifting support device 1-3-2 is supported on the pier when the bridge machine 1 is hoisting or when the moving rail 2 is running;
  • the function of the bridge machine 1 is: The first is to erect the beam; the second is to lift the foundation or pier from the erected beam to the front end of the framed beam; the rear end of the moving track 2 is provided with the rear end lifting support device 2-1, and the rear end is lifted and lowered.
  • the bottom of the supporting device 2-1 is supported on the pier; the front end of the moving rail 2 is provided with a front end lifting support device 2-2, and the bottom of the front end lifting support device 2-2 is supported on the ground or the bottom; when the moving rail 2 moves, the rear end Rise
  • the support device 2-1 is separated from the bridge pier, the front end lifting support device 2-2 is separated from the ground or the water bottom, and the middle portion of the moving rail 2 is respectively moved on the pier and the bridge foundation construction device 4; when the bridge machine 1 is running on the moving rail 2, The middle and rear portions of the moving rail 2 are supported on the pier; when the mobile crane 3 is running on the moving rail 2 with the foundation or the pier, the middle and rear portions of the moving rail 2 are also supported on the pier, moving the front of the rail 2 The support is supported on the bridge foundation construction device 4.
  • the top of the mobile crane 3 is provided with a rail on which the top crane 3-1 is provided, and the top crane 3-1 runs from the front or the rear to the rear or front portion in the mobile crane 3 through the rail; the bottom of the mobile crane 3
  • the rear end is provided with a walking device 3-2.
  • the walking device 3-2 has two structures: one can only walk on the existing beam, and the other can walk on the existing beam and the moving rail 2; the bottom of the mobile crane 3 is moved.
  • the front end and the middle are provided with a running device 3-3 running on the moving rail 2, and the mobile crane 3 puts the prefabricated bridge foundation into the bridge foundation construction device 4, and completes the construction of the bridge foundation in the bridge foundation construction device 4;
  • the bridge foundation construction device 4 is also supported by the moving rail 2; the mobile crane 3 places the prefabricated pier above the constructed bridge foundation, and the mobile crane 3 will complete the bridge.
  • the bridge foundation construction device 4 for foundation construction is moved to a position waiting for the foundation construction of the bridge; the bridge foundation construction device 4 completes the construction of the foundation, and the bridge assembly device can complete the construction of the bridge foundation, the pier and the beam.
  • the bottom of the moving rail 2 is provided with a front walking support device 2-3 and a rear walking support device 2-4, and the front walking support device 2-3 is provided with a walking device 2-3-1, and the rear walking supporting device 2 4, the walking device 2-4-1 is provided, the rear walking support device 2-4 is supported on the bridge pier, the front walking support device 2-3 is supported on the bridge foundation construction device 4, and the rear end lifting support device 2-1 is separated from the pier
  • the moving rail 2 is moved from one position to another by the traveling device 2-3-1 and the traveling device 2-4-1.
  • the front travel support device 2-3 is provided with a travel device 2-3-2
  • the rear travel support device 2-4 is provided with a travel device 2-4-2
  • the mobile track 2 is provided with a travel device 2-3-2 and The track on which the traveling device 2-4-2 operates, the front walking support device 2-3 runs from one position to another through the traveling device 2-3-2, and the rear walking support device 2-4 passes the walking device 2-4-2 Run from one location to another.
  • the bridge building device further includes a moving support device 5 disposed behind the bridge foundation construction device 4.
  • the bottom of the mobile support device 5 supports two structures: one is supported on the ground or the bottom includes a water boat, and the other is supported at On the basis of the bridge; the upper part of the mobile supporting device 5 is the support of the moving rail 2, and the moving supporting device 5 is provided with the running device 5-1 running on the moving rail 2, and when the bottom of the moving supporting device 5 is separated from the support, the traveling device is passed 5-1 Walk from one position to another.
  • the installed beams are the m-1th beam, the m-2th beam, the m-3th beam, ..., and the unmounted beams are the m+1th beam, the m+2 beam, and the The m+3 beam, ..., the corresponding pier of the mth beam is the mth pier and the m+1th pier, respectively, and the corresponding piers of the m-1th beam are the m-1 pier and the mth pier, respectively, m+1 The bridge piers of the beam are the m+1th pier and the m+2 pier, respectively.
  • the foundation corresponding to the mth pier is the mth foundation.
  • the mth pier and the m+1 pier are installed, and the rear support of the moving track 2 is supported.
  • the device 2-1 is supported at the front end of the mth pier, the moving support device 5 is located in front of the m+1th base, and the bridge foundation construction device 4 is located at the set position of the m+2th base.
  • the construction method of the m-th beam has the following steps:
  • the traveling device of the rear end support 1-1 and the middle support 1-2 of the bridging machine 1 runs forward on the erected beam, and the running device 1-3-1 of the front end support 1-3 is on the moving rail 2 Moving forward, reaching the set position, supporting the lifting support device 1-3-2 of the front end support 1-3 of the bridging machine 1 at the front of the m+1th pier, so that the front end of the bridging machine 1 supports 1-3
  • the walking device 1-3-1 is separated from the moving track 2;
  • moving rail 2 forwardly reaches the set position, and the rear travel support device 2-4 of the moving rail 2 runs from the mth pier to the front of the m+1th pier and is supported on the m+1th pier;
  • the m+2 base has two structures: A and B:
  • the m+2 foundation is the foundation with a chain cutter at the bottom of the construction.
  • the chain cutter only excavates the rock at the bottom of the foundation;
  • the bridge foundation construction device 4-1 includes fixed guides 4-1-1, chain Knife power transmission device 4-1-2, spoil treatment device 4-1-3 and frame 4-1-4;
  • the m+2 base is a spiral cylindrical foundation with a cutter at the bottom, and the cutter only has the annular rock at the bottom of the spiral cylindrical foundation;
  • the bridge foundation construction device 4-2 includes a fixed guide 4-2 - 1, rotating device 4-2-2 and falling speed control device 4-2-3.
  • the m+2 base is a spiral cylindrical foundation with a cutter at the bottom, or a base with a chain cutter at the bottom during construction.
  • the specific construction method has the following steps:
  • the top crane 3-1 on the mobile crane 3 lifts the m+2 base and runs forward along the track above the mobile crane 3, making the top crane 3-1 and the m+2 base from the mobile crane The rear part of 3 moves to the front; the mobile crane 3 runs forward along the moving rail 2 to the m+2 basic setting position, and the m+2 foundation is placed into the bridge foundation construction device 4;
  • the mobile crane 3 connects the spiral cylindrical basic rotary driving device 4-2 or the chain cutter driving device 4-1 with the m+2 base top;
  • the construction method of the bridge foundation construction device 4 moving from the m+2 base position to the m+3 base position is as follows:
  • the moving rail 2 is moved forward to the set position, the rear end lifting support device 2-1 is supported at the front end of the m+1th pier, and the front end lifting support device 2-2 is supported in front of the m+3 basic position. Ground or underwater;
  • the mobile crane 3 runs above the bridge foundation construction device 4, disengages the bridge foundation construction device 4 from the m+2 bridge foundation, and disengages the front travel support device 2-3 of the moving rail 2 from the bridge foundation construction device 4. ;
  • the m-th beam and the m+2 base have been completed, and the rear end lifting support device 2-1 of the moving rail 2 and the lifting support device 1-3-2 of the front end support 1-3 of the bridging machine 1 are supported.
  • the mobile supporting device 5 is supported on the ground or the water bottom near the front of the m+2 foundation, and the bridge foundation construction device 4 is located at the set position of the m+3 foundation, and the concrete construction of the m+2 pier
  • the method has the following steps:
  • the mobile crane 3 runs backward through the bottom traveling device 3-2 and the traveling device 3-3, so that the top crane 3-1 at the upper rear portion of the mobile crane 3 reaches the set position above the m+2 pier;
  • the mobile crane 3 carries the m+2 pier through the bottom of the walking device 3-2 and the running device 3-3 forward to the top of the m+2 base, and the m+2 pier is placed at the m+th 2 Based on the basic positioning and accurate positioning.
  • the bridge-building device is composed of a bridge machine 1, a moving rail 2, a mobile crane 3, a bridge foundation construction device 4, and a mobile support device 5.
  • the bridge-building machine is provided with a rear support 1-1.
  • the central support 1-2 and the front end support 1-3, the bottom end support 1-1 and the bottom support 1-2 are respectively provided with a walking device 1-1-1 and a walking device 1-2-1, and the front end supports 1-
  • the bottom of the 3 is provided with a walking device 1-3-1, the traveling device 1-1-1 and the traveling device 1-2-1 are operated on the erected beam 8, and the running device 1-3-1 is operated on the moving rail 2
  • the front end support 1-3 is further provided with a lifting support device 1-3-2, and the upper portion of the bridge machine 1 is provided with a horizontally moving crane 1-4, and the lifting support device is used when the bridge machine 1 is hoisting or when the moving rail 2 is running 1-3-2 is supported on the pier 7; the function of the bridge machine 1 is: one is the frame beam 8; the
  • the top of the mobile crane 3 is provided with a rail on which the crane 3-1 is arranged, and the crane 3-1 runs from the front (or rear) portion to the rear (or front) portion in the mobile crane 3 through the rail; the mobile crane 3
  • the bottom rear end is provided with a running device 3-2.
  • the bottom front end of the mobile crane 3 is provided with a running device 3-3 running on the moving rail 2, and the mobile crane 3 places the prefabricated bridge foundation 6 into the bridge foundation.
  • the construction of the bridge foundation 6 is completed in the bridge foundation construction device 4; when the bottom of the bridge foundation construction device 4 is supported on the ground or the water bottom, the bridge foundation construction device 4 is also the support of the moving rail 2; the mobile crane 3 will The prefabricated pier 7 is placed above the constructed bridge foundation 6, and the mobile crane 3 moves the bridge foundation construction device 4 that has completed the bridge foundation construction to a position waiting for the bridge foundation construction; the bridge foundation construction device 4 completes the construction of the foundation.
  • the m+2 base has two structures, A and B:
  • the m+2 base is the foundation 6 with a chain knife at the bottom of the construction.
  • the chain cutter only has the rock at the bottom of the foundation;
  • the bridge foundation construction device 4-1 includes a fixed guide 4-1-1, Chain cutter power transmission 4-1-2, spoil treatment device 4-1-3 and frame 4-1-4; during construction, the frame 4-1-4 is integrated with the top of the foundation 6, device 4 -1-2 drive chain cutter 11 runs along the track on the foundation 6, the chain cutter 11 excavates the rock at the bottom of the foundation 6, and brings the excavated rock to the top, and the device 4-1-3 takes the chain cutter 11 from The rock soil brought up from the bottom of the foundation 6 is separated from the chain cutter 11, and the frames 4-1-4 are simultaneously descended along with the foundation 6;
  • the m+2 base is a spiral cylindrical foundation 9 with a cutter at the bottom, the cutter only has the annular rock at the bottom of the spiral cylindrical foundation;
  • the bridge foundation construction device (4-2) includes a fixed guide 4-2-1, drive rotating device 4-2-2 and descending speed control device 4-2-3; during construction, drive rotating device 4-2-2 rotates base 9, through descending speed control device 4-2- 3 controlling the descending speed of the spiral cylindrical foundation 9, so that the cutter 9-1 at the bottom of the spiral cylindrical foundation 9 cuts the annular rock at the bottom of the foundation 9, and the cut rock is introduced into the foundation under the action of the bottom tapered surface.
  • the spiral blade 9-2 transports the cut rock at the bottom to the upper portion and gradually descends to the set position.
  • the bottom of the mobile supporting device 5 supports two structures 5A and 5B: 5A is supported on the ground or underwater (including water boat), 5B is supported on the bridge foundation; and the mobile supporting device 5
  • the upper part is the support of the moving rail 2
  • the moving support device 5 is provided with a running device 5-1 running on the moving rail, and when the bottom of the moving supporting device 5 is separated from the support, the traveling device 5-1 walks from one position to another The position, the bridge building device can complete the construction of the bridge foundation 6, the pier 7 and the beam 8.
  • the bridge building device simultaneously constructs the double bridge pier 7, and the longitudinal width of the moving rail 2 and the mobile crane 3 of the bridge building device exceeds the width of the double bridge pier.
  • the construction method of the mth beam 8 has the following steps:
  • the traveling device 1-1-1 of the rear end support 1-1 of the bridge machine 1 and the traveling device 1-2-1 of the middle support run forward on the erected beam 8, and the front end supports the walking of 1-3
  • the device 1-3-1 moves forward on the moving rail 2 to reach the set position, and supports the lifting support device 1-3-2 supported by the front end of the bridge machine 1 at the front of the m+1th pier 7, so that the frame
  • the traveling device 1-3-1 supported by the front end of the bridge machine 1 is separated from the moving rail 2;
  • the moving rail 2 runs forward to reach the set position, and the rear travel support device of the moving rail 2 runs from the mth bridge pier 7 to the front portion of the m+1th pier 7, and is supported on the m+1th pier 7;
  • the m+2 basis is the foundation 6 with a chain knife at the bottom of the construction.
  • the specific construction method has the following steps:
  • the mobile crane 3 connects the chain cutter driving device 4-1-2 to the top of the m+2 base 6;
  • the m+2 basis is a spiral cylindrical foundation 9 with a digging knife at the bottom during construction.
  • the specific construction method has the following steps:
  • the mobile crane 3 connects the chain cutter driving device 4-1-2 to the top of the m+2 base 9;
  • the construction method of the bridge foundation construction device 4-1 moving from the m+2 base position to the m+3 base position is as follows:
  • the mobile crane 3 runs to the top of the bridge foundation construction device 4-1, and the bridge foundation construction device 4-1 is separated from the m+2 bridge foundation, and the front travel support device 2-3 of the moving rail 2 and the bridge foundation are Construction device 4-1 is detached;
  • the m-th beam 8 and the m+2 base have been completed, and the rear end lifting support device 2-1 of the moving rail and the lifting support device 1-3- supported by the front end of the bridge machine 1 are completed.
  • 2 is supported on the m+1th pier 7
  • the mobile support device 5 is supported on the ground or the water bottom near the front of the m+2 base
  • the bridge foundation construction device 4-1 is located at the set position of the m+3 base
  • the concrete construction method of +2 pier 7 has the following steps:
  • the mobile crane 3 carries the m+2 pier 7 through the bottom running device 3-2 and the running device 3-3 forward to the top of the m+2 base, and places the m+2 pier 7 Based on m+2 and accurately positioned and fixed into one.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

La présente invention concerne un dispositif de construction de pont et son procédé de construction. Le dispositif de construction de pont comprend une machine de montage de pont (1), un rail de mouvement (2), une grue mobile (3), et un dispositif de construction de fondation de pont (4). La machine de montage de pont (1) est pourvue d'un support arrière (1-1), d'un support médian (1-2) et d'un support avant (1-3). Les fonds du support arrière (1-1) et du support médian (1-2) sont pourvus de dispositifs de déplacement (1-1-1, 1-2-1), respectivement. Le fond du support avant (1-3) est pourvu d'un dispositif de déplacement (1-3-1). Les dispositifs de déplacement (1-1-1, 1-2-1) du support arrière (1-1) et du support médian (1-2) fonctionnent sur une poutre montée (8), et le dispositif de déplacement (1-3-1) du support avant (1-3) fonctionne sur le rail de mouvement (2). Le support avant (1-3) est également pourvu d'un dispositif de support de levage (1-3-2) qui est supporté sur des piliers (7) lorsque la machine de montage de pont (1) effectue une opération de grue ou le rail de mouvement (2) est en fonctionnement. L'extrémité arrière du rail de mouvement (2) est pourvue d'un dispositif de support de levage arrière (2-1). Le fond du dispositif de support de levage arrière (2-1) est supporté sur les piliers (7). Au moyen du dispositif de construction de pont, la fondation de pont (6), les piliers (7) et la poutre (8) peuvent être construits. Le dispositif de construction de pont est approprié pour construire la fondation de pont (6) et monter un pont ; la fondation de pont (6) est préfabriquée segment par segment ou dans son intégralité et est enfoncée segment par segment ou dans son intégralité, aucun batardeau n'est nécessaire, la construction est simple, et la période de construction est courte.
PCT/CN2018/079253 2017-03-17 2018-03-16 Dispositif de construction de pont et son procédé de construction WO2018166519A1 (fr)

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