CN212077672U - Steel box culvert repairing system of large-diameter box culvert - Google Patents
Steel box culvert repairing system of large-diameter box culvert Download PDFInfo
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- CN212077672U CN212077672U CN201922441277.9U CN201922441277U CN212077672U CN 212077672 U CN212077672 U CN 212077672U CN 201922441277 U CN201922441277 U CN 201922441277U CN 212077672 U CN212077672 U CN 212077672U
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Abstract
The utility model discloses a steel box culvert repairing system of a large-diameter box culvert, which comprises two sections of box culverts which are oppositely arranged, wherein a bridging suspension beam is arranged above the two sections of box culverts in a crossing way, and a steel box culvert for communicating the two sections of box culverts is connected below the bridging suspension beam in a hanging way; the steel box culvert comprises three sections of steel box culvert sections which are sequentially connected along the length direction, wherein the steel box culvert sections at the end parts are positioned at the two ends, and the steel box culvert sections at the middle part are positioned at the middle part; the outer end of the end steel box culvert section is provided with a butt joint which is respectively in butt joint with the corresponding box culvert, and the inner end of the end steel box culvert section is in lap joint with the end of the middle steel box culvert section through an end water stop structure. Compared with the prior art, the beneficial effects of the utility model are that: bridging hanging beam easily hoists to two sections box culvert on, its below articulates the steel box culvert of compriseing three-section steel box culvert festival, and the steel box culvert simple structure of pin-connected panel, simple to operate, and the tip and the box culvert terminal surface butt joint of steel box culvert can resume the emergent drainage function of box culvert fast.
Description
Technical Field
The utility model belongs to the technical field of the box culvert is restoreed, concretely relates to steel box culvert structure for restoreing damaged box culvert fast.
Background
In the operation process of the urban sewage treatment system, the influence of various factors such as facility aging, geological environment change and building construction is received, the phenomena such as dislocation and cracking of box culvert expansion joints occur sometimes, the normal operation of a pipe network system is influenced, and meanwhile, the great potential safety hazard exists. Large-caliber box culverts are often used on main drain lines, are difficult to maintain, and generally do not allow for long-term water cut-off maintenance. Therefore, the damaged box culvert section needs to be quickly and emergently repaired to maintain the box culvert smooth. At present, some culvert pipe repairing technologies in use exist in the municipal construction field, and plugging materials or plugging pieces are mainly used for plugging cracks. The plugging method can achieve a good effect on smaller cracks or small culvert pipes, but for culvert pipes with large damaged areas or serious malposition, especially large-size box culverts, the plugging method is difficult to repair, or the flow passage section loss after repair is large, so that a good repair effect is difficult to obtain, and only the damaged part can be cut off and repaired by using a repair body. However, unlike the small culvert pipe, the large-caliber box culvert restoration formed by pouring concrete has the difficulty that a large-size high-strength restoration body is required, and the difficulty in processing and installing the restoration body is higher, so that the restoration structure needs to be designed reasonably to facilitate construction and installation.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above problem, the utility model aims to provide a steel box culvert repairing system of heavy-calibre box culvert.
The technical scheme is as follows:
a steel box culvert repairing system of a large-diameter box culvert comprises two sections of box culverts which are oppositely arranged, and is characterized in that a bridging suspension beam is arranged above the two sections of box culverts in a spanning mode, a steel box culvert is connected below the bridging suspension beam in a hanging mode, and the two sections of box culverts are communicated through the steel box culvert;
the steel box culvert comprises three sections of steel box culvert sections which are sequentially connected along the length direction, wherein the steel box culvert sections positioned at two ends are end steel box culvert sections, and the steel box culvert sections positioned in the middle are middle steel box culvert sections;
the outer ends of the end steel box culvert sections are provided with butt joints which are respectively butted with the corresponding box culverts, and the inner ends of the end steel box culvert sections are connecting ends;
the two ends of the middle steel box culvert section are respectively jointed with the outer side face or the inner side face of the connecting end in an attaching mode, and the two ends of the middle steel box culvert section are respectively corresponding to the two ends of the connecting end, and an end water stopping structure is arranged between the connecting end and the connecting end.
By adopting the design, the bridge-connected suspension beam is easy to hoist the two sections of box culverts, the steel box culverts formed by three sections of steel box culvert sections are hung below the bridge-connected suspension beam, the assembled steel box culvert is simple in structure and convenient to install, and the end parts of the steel box culvert are butted with the end surfaces of the box culverts, so that the emergency drainage function of the box culvert can be quickly recovered.
As a preferred technical scheme, the bridging suspension beam comprises a bridging beam and two beam body seats, the two beam body seats are respectively arranged on the two box culverts, and two ends of the bridging beam are respectively arranged on the corresponding beam body seats;
two rows of hanging pieces are arranged below the bridging beam, the two rows of hanging pieces are symmetrically distributed on two sides of the bridging beam, and each row of hanging pieces are distributed along the length direction of the bridging beam and are respectively connected with corresponding side walls of the steel box culvert.
By adopting the design, the steel box culvert is convenient to hoist after the bridging suspension beam is placed in place.
According to a preferable technical scheme, the hanging piece is a telescopic hanging piece, the upper end of the hanging piece is connected with the bridging beam, and the lower end of the hanging piece is connected with the steel box culvert.
By adopting the design, the length of the telescopic suspension piece can be adjusted in a small range, so that the vertical position and the posture of the steel box culvert section below the telescopic suspension piece can be kept, and the connection goodness of fit between the steel box culvert sections can be improved.
As a preferred technical scheme, the cross section of the butt joint is adapted to the inner wall of a box culvert, the cross section of the butt joint is U-shaped, the butt joint extends into the corresponding box culvert respectively, a resisting plate is arranged annularly along the outer wall of the butt joint and is perpendicular to the axial direction of the butt joint, the inner edge of the resisting plate is connected with the outer wall of the butt joint, and the resisting plate is abutted against the end face of the box culvert;
a tensioning assembly is connected between the butt joint and the box culvert;
and an end face sealing element is arranged between the abutting plate and the box culvert.
By adopting the design, the butt joint and the box culvert are conveniently and hermetically connected.
As a preferred technical scheme, the tensioning assembly comprises a fastening seat and a tensioning fastener;
the fastening seat is in a door shape and is sleeved on the box culvert, and two vertical parts of the fastening seat are respectively provided with a row of tensioning holes;
two side edges of the abutting plates respectively extend beyond the outer surface of the side wall of the box culvert, a row of abutting plate holes are respectively distributed on the abutting plates close to the two side edges of the abutting plates in a penetrating way, and the abutting plate holes are opposite to the tensioning holes one by one;
the tightening plate holes are strip-shaped holes, the tightening plate holes are vertically arranged, one tensioning fastener penetrates through each tightening plate hole, and the tensioning fasteners are arranged in parallel and are respectively connected with the fastening seat.
Design more than adopting, through supporting tight board with the fixed butt of tip steel box culvert festival and box culvert to the tight board hole that supports of bar provides certain vertical assembly redundancy.
As a preferred technical scheme, the end face sealing element comprises a U-shaped end face sealing gasket, and the end face sealing gasket is adapted to the shape of the abutting plate and is positioned between the abutting plate and the end face of the box culvert;
the horizontal section of the end face sealing gasket is connected with a bottom sealing strip, the bottom sealing strip is arranged along the horizontal section of the end face sealing gasket, and the bottom sealing strip is positioned between the insertion end and the bottom wall of the box culvert;
the surfaces of the end face sealing gasket and the bottom sealing strip facing the box culvert are respectively provided with at least one continuous pressing and changing convex strip;
all press and become the sand grip all to be on a parallel with support tight board setting.
By adopting the design, the end face sealing gasket is used for supporting the sealing between the end faces of the backup plate and the box culvert, and the bottom sealing strip is arranged to further improve the sealing effect between the butt joint and the inner bottom of the box culvert because the tensioning fastener is not arranged between the bottom of the backup plate and the box culvert.
As a preferred technical scheme, the steel box culvert section comprises a bottom plate and two vertical plates, wherein the two vertical plates are respectively connected to two opposite side edges of the bottom plate;
the two vertical plates gradually expand outwards from the lower edge to the upper edge to form the steel box culvert section with the cross section being narrow at the lower part and wide at the upper part;
the bottom of the butt joint is level with the bottom plate of the end steel box culvert section, the upper end of the side wall of the butt joint is respectively level with the upper edge of the corresponding vertical plate, and a triangular transition connecting plate is connected between the side wall of the butt joint and the corresponding vertical plate;
the end stagnant water structure includes the extrusion deformation strip, this extrusion deformation strip along the hoop setting of middle steel box culvert festival, this extrusion deformation strip pastes in succession and establishes on the surface of middle steel box culvert festival, this extrusion deformation strip presss from both sides to be established middle steel box culvert festival with between the relative surface of link.
By adopting the design, the structural design that the lower part of the section is narrow and the upper part of the section is wide enables the vertical plate of the steel box culvert section to bear certain pressure, and the bottom plate is prevented from being excessively pressed under the condition that the water filling amount is unchanged; in addition, when middle steel box culvert festival pressurized, it wholly sinks to make the extrusion deformation strip warp, and it is more to adorn water, and the riser structure that the slope set up makes middle steel box culvert festival better with tip steel box culvert festival laminating degree, and the sealed of extrusion deformation strip is better.
As a preferred technical scheme, an end limiting strip is arranged on the inner surface of the inner end of the end steel box culvert section, the end limiting strip extends along the circumferential direction of the end steel box culvert section, one side of the end limiting strip is connected with the inner surface of the end steel box culvert section, and the other side of the end limiting strip faces the middle steel box culvert section;
the end limiting strip is positioned between the two positioning grooves.
Design more than adopting carries out spacing protection to the extrusion deformation strip, has the supplementary tip that prevents middle steel box culvert festival and outwards slides out the link of tip steel box culvert festival.
According to the preferable technical scheme, a positioning groove is formed in the outer surface of the middle steel box culvert section along the trend of each extrusion deformation strip, the notch of each positioning groove faces the inner surface of the end steel box culvert section, the extrusion deformation strips are arranged in the positioning grooves, and the extrusion deformation strips exceed the notches of the positioning grooves and are attached to the inner surface of the end steel box culvert section.
By adopting the design, the positioning groove is arranged to prevent the extrusion deformation strip from shifting and sliding.
As a preferred technical scheme, a pair of angle steels are arranged in parallel along the direction of the extrusion deformation strip, one side of each angle steel is adhered and welded on the outer surface of the middle steel box culvert section, and the other side of each angle steel is vertically arranged on the outer surface of the middle steel box culvert section;
the positioning grooves are formed by the surfaces of the pair of angle steels and the steel box culvert sections in an enclosing mode;
the extrusion deformation strip is tubular, the outer wall of the extrusion deformation strip is respectively abutted against the groove bottom and two groove walls of the positioning groove, and the groove depth of the positioning groove is 1/3-2/3 of the outer diameter of the extrusion deformation strip.
Design more than adopting, use a pair of angle steel with the rigidity of extrusion deformation strip, simple structure, the lumen formation of tubulose extrusion deformation strip lets the space, and extrusion deformation strip is easily taken place to warp when the pressurized, and the leakproofness is good.
Compared with the prior art, the beneficial effects of the utility model are that: bridging hanging beam easily hoists to two sections box culvert on, its below articulates the steel box culvert of compriseing three-section steel box culvert festival, and the steel box culvert simple structure of pin-connected panel, simple to operate, and the tip and the box culvert terminal surface butt joint of steel box culvert can resume the emergent drainage function of box culvert fast.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an end steel box culvert section;
figure 3 is a top view of an end steel box culvert section;
FIG. 4 is a left side view of FIG. 2;
FIG. 5 is a right side view of FIG. 2;
FIG. 6 is a schematic structural view of an intermediate steel box culvert section;
FIG. 7 is a top view of an intermediate steel box culvert section;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7;
figure 9 is a schematic connection diagram of end steel box culvert sections and intermediate steel box culvert sections;
fig. 10 is an enlarged view of a portion m1 in fig. 9;
FIG. 11 is a schematic view of the connection of the butt joint to the box culvert;
FIG. 12 is a schematic view of the positioning of the butt joint within the box culvert;
FIG. 13 is a schematic view of the installed position of the face seal on the butt joint;
FIG. 14 is a schematic view of the structure of the docking head;
fig. 15 is an enlarged view of a portion m2 in fig. 14;
FIG. 16 is a schematic structural view of the fastening seat;
FIG. 17 is a left side view of FIG. 16;
FIG. 18 is a schematic structural view of one end of a bridging beam mounted on a box culvert through a beam body seat;
fig. 19 is a schematic structural view of a bridging beam.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1, the steel box culvert repairing system for the large-diameter box culvert comprises two sections of box culverts a which are arranged oppositely, wherein a bridging suspension beam 600 is arranged above the two sections of box culverts a in a spanning mode, a steel box culvert is connected below the bridging suspension beam 600 in a hanging mode, and the two sections of box culverts a are communicated through the steel box culvert.
The steel box culvert comprises three sections of steel box culvert sections which are sequentially connected along the length direction, wherein the steel box culvert sections at the two ends are end steel box culvert sections 100, and the steel box culvert sections at the middle part are middle steel box culvert sections 200. The outer end of the end steel box culvert section 100 is provided with a butt joint 150, the butt joint 150 is respectively in butt joint with the corresponding box culvert a, and the inner end of the end steel box culvert section 100 is a connecting end. The two ends of the middle steel box culvert section 200 are respectively jointed with the outer side surface or the inner side surface of the connecting end in an attaching manner, and the two ends of the middle steel box culvert section 200 are respectively corresponding to the two ends of the connecting end, and an end water stopping structure 300 is arranged between the two ends of the middle steel box culvert section 200 and the connecting end.
The steel box culvert section comprises a section body, the section body comprises a bottom plate and two vertical plates, and the two vertical plates are respectively connected to two opposite side edges of the bottom plate to form the section body. The two vertical plates gradually expand outwards from the lower edge to the upper edge to form the section body with the cross section being narrow at the lower part and wide at the upper part. The vertical plate inclines outwards by 5-15 degrees. And stiffening ribs are respectively arranged at the joints of the bottom plate and the two vertical plates. And the two vertical plates are respectively provided with a hanging lug.
The steel box culvert is characterized in that reinforcing frames are arranged in the sections of the steel box culvert and comprise cross rods and vertical rods which are connected in a staggered mode, wherein the cross rods are connected between the two vertical plates, and the vertical rods are connected with the cross rods and the bottom plate.
As shown in fig. 2 to 5, the end steel box culvert section 100 includes a first section body 110, and at least two first reinforcing frames 120 are disposed in the first section body 110. First stiffening ribs 130 are respectively arranged at the joints of the bottom plate and the two vertical plates of the end steel box culvert section 100. A first hanging lug 140 is arranged on the vertical plate of the end steel box culvert section 100.
As shown in fig. 6 to 8, the intermediate steel box culvert section 200 includes a second section body 210, and at least two second reinforcing frames 220 are disposed in the second section body 210. The joints of the bottom plate and the two vertical plates of the second segment body 210 are respectively provided with a second stiffening rib 230. And a second hanging lug 240 is arranged on the vertical plate of the middle steel box culvert section 200.
In this embodiment, as shown in fig. 9 and 10, the end sealing structure 300 includes an extruded strip 310, the extruded strip 310 is disposed along the circumferential direction of the intermediate steel box culvert section 200, the extruded strip 310 is continuously attached to the outer surface of the intermediate steel box culvert section 200, and the extruded strip 310 is sandwiched between the intermediate steel box culvert section 200 and the opposite surface of the connection end.
A pair of angle steels 330 are arranged in parallel along the direction of the extrusion deformation strip 310, one side of each angle steel 330 is attached to and welded on the outer surface of the middle steel box culvert section 200, and the other side of each angle steel 330 is vertically arranged on the outer surface of the middle steel box culvert section 200. A positioning groove 320 is formed by the surfaces of the pair of angle steels 330 and the steel box culvert section 200 in a surrounding manner, the notch of the positioning groove 320 faces the inner surface of the end steel box culvert section 100, the extrusion deformation strip 310 is arranged in the positioning groove 320, and the extrusion deformation strip 310 exceeds the notch of the positioning groove 320 and is attached to the inner surface of the end steel box culvert section 100.
The extrusion deformation strip 310 is tubular, the outer wall of the extrusion deformation strip 310 abuts against the groove bottom and two groove walls of the positioning groove 320 respectively, and the groove depth of the positioning groove 320 is 1/3-2/3 of the outer diameter of the extrusion deformation strip 310. Specifically, the crush bars 310 may be hoses made of rubber or other polymeric material that has elastic and radial deformability to provide a seal when compressed.
The inner surface of the end steel box culvert section 100 is provided with an end limiting strip 170, the end limiting strip 170 is arranged along the circumferential extension of the end steel box culvert section 100, one side of the end limiting strip 270 is connected with the inner surface of the end steel box culvert section 100, and the other side of the end limiting strip faces the middle steel box culvert section 200. The end stop strip 170 is located between two of the positioning slots 320 to prevent the end of the middle steel box culvert section 200 from sliding out of the connecting end of the end stop strip 170. The end limiting strips 170 can be angle steel, steel bars, flat iron and the like, the height of the end steel box culvert section 100 exceeding the bottom plate surface is smaller than the distance of the angle steel 330 exceeding the middle steel box culvert section 200 surface, so that when the middle steel box culvert section 100 contains water, the extrusion deformation strips 310 are not influenced to contact the bottom plate of the end steel box culvert section 100, and therefore the effect is achieved.
As shown in fig. 11, 12 and 13, the cross section of the butt joint 150 is adapted to the inner wall of the box culvert a, the cross section of the butt joint 150 is U-shaped, the bottom of the butt joint 150 is flush with the bottom plate of the end steel box culvert section 100, the upper ends of the side walls of the butt joint 150 are respectively flush with the upper edges of the corresponding vertical plates, and triangular transition connection plates 160 are connected between the side walls of the butt joint 150 and the corresponding vertical plates.
The butt joints 150 respectively extend into the corresponding box culverts a, a resisting plate 180 is annularly arranged along the outer wall of the butt joint 150, the resisting plate 180 is perpendicular to the axial direction of the butt joint 150, the inner edge of the resisting plate 180 is connected with the outer wall of the butt joint 150, and the resisting plate 180 is abutted against the end faces of the box culverts a.
A tensioning assembly 400 is connected between the butt joint 150 and the box culvert a. The tension assembly 400 includes a fastening socket 410 and a tension fastener 420. The fastening seat 410 is door-shaped, the fastening seat 410 is sleeved on the box culvert a, and two vertical parts of the fastening seat 410 are respectively provided with a row of tensioning holes 414. Two side edges of the tightening plate 180 extend beyond the outer surface of the side wall of the box culvert a, a row of tightening plate holes 181 are distributed on the tightening plate 180 close to the two side edges of the tightening plate, and the tightening plate holes 181 are opposite to the tensioning holes 414 one by one. The tightening plate holes 181 are strip-shaped holes, the tightening plate holes 181 are vertically arranged, one tensioning fastener 420 penetrates through each tightening plate hole 181, and the tensioning fasteners 420 are arranged in parallel and are respectively connected with the fastening seat 410.
Specifically, the fastening seat 410 includes a base plate 411 and a tension plate 412. As shown in fig. 16 and 17, the base plate 411 is in a door shape, and is formed by bending a strip plate in the same direction, the outer side surfaces of two vertical sections of the base plate 411 are respectively connected with one tensioning plate 412, the tensioning plates 412 are respectively arranged along the corresponding vertical sections of the base plate 411, and the tensioning plates 412 are perpendicular to the outer side surfaces of the base plate 411. The fastening seat 410 is fixedly sleeved outside the box culvert a. A plurality of substrate holes 413 penetrate through the substrate 411 along the direction of the substrate, expansion bolts penetrate through the substrate holes 413 respectively, and the expansion bolts fix the fastening seat 410 on the box culvert a.
The tensioning plate 412 is provided with tensioning holes 414 through, and the tensioning holes 414 are opposite to the fastening plate holes 181. The tensioning fastener 420 is a connecting bolt, and two ends of the connecting bolt respectively penetrate through the tensioning hole 414 and the fastening resisting hole 181.
An end face sealing piece 500 is arranged between the abutting plate 180 and the box culvert a. As shown in fig. 13, 14 and 15, the end face seal 500 includes a U-shaped end face gasket 510, and the end face gasket 510 is adapted to the shape of the resisting plate 180 and is located between the resisting plate 180 and the end face of the box culvert a.
The horizontal section of the end-face gasket 510 is connected with a bottom sealing strip 520, the bottom sealing strip 520 is arranged along the horizontal section of the end-face gasket 510, and the bottom sealing strip 520 is positioned between the insertion end and the bottom wall of the box culvert a.
The end face sealing gasket 510 and the bottom sealing strip 520 face the box culvert a, at least one continuous pressing and deformation convex strip is arranged on the surface of the box culvert a respectively, and all the pressing and deformation convex strips are parallel to the abutting plates 180.
The pressure becomes the sand grip including being located first pressure on the end face seal pad 510 becomes the sand grip 511 and is located the second pressure on the bottom sealing strip 520 becomes the sand grip 521. The last parallel arrangement of end face gasket 510 has two at least first pressure to become sand grip 511, first pressure becomes sand grip 511 along the extending direction setting of end face gasket 510, all first pressure becomes sand grip 511 along the width direction interval of end face gasket 510 is arranged.
The bottom sealing strip 520 is provided with at least two pressing and changing convex strips 521 in parallel, the second pressing and changing convex strips 521 are arranged along the extending direction of the bottom sealing strip 520, and all the pressing and changing convex strips 521 are arranged along the width direction of the end face sealing gasket 510 at intervals. And a convex strip deformation yielding area 530 is formed in the gap between every two adjacent pressing and changing convex strips.
When the abutting plate 180 abuts against the box culvert a, the pressing and deformation convex strips of the end face sealing piece 500 deform to better fit the box culvert a, so that the sealing effect is enhanced.
In this embodiment, the face seal 500 may be integrally formed of a rubber material.
As shown in fig. 1, 18 and 19, the bridged suspension beam 600 includes a bridged beam 610 and two beam mounts 630, the two beam mounts 630 are respectively disposed on the two box culverts a, and two ends of the bridged beam 610 respectively fall on the corresponding beam mounts 630.
Two rows of hanging pieces 620 are arranged below the bridging beam 610, the two rows of hanging pieces 620 are symmetrically distributed on two sides of the bridging beam 610, and each row of hanging pieces 620 is arranged along the length direction of the bridging beam 610 and is respectively connected with the corresponding side wall of the steel box culvert.
The hanging piece 620 is a telescopic hanging piece, the upper end of the hanging piece 620 is connected with the bridging beam 610, and the lower end of the hanging piece 620 is connected with the steel box culvert.
As shown in fig. 18 and 19, the bridging beam 610 includes two longitudinal main beam rods 611, the two longitudinal main beam rods 611 are parallel to each other and are horizontally arranged opposite to each other, at least two transverse connecting rods 612 are connected between the two longitudinal main beam rods, and all the transverse connecting rods 612 are arranged along the length direction of the longitudinal main beam rods 611. All the longitudinal main beams 611 and the transverse connecting rods 612 are welded to form the bridging beam 610. The longitudinal main beam bar 611 and the transverse connecting rod 612 are respectively made of H-shaped steel with large section size and small section size, the flange plates of the longitudinal main beam bar 611 are located in the horizontal direction, and the transverse connecting rod 612 is connected between the web plates of the two longitudinal main beam bars 611. A hanging lug 614 is connected below the lower flange plate of the longitudinal main beam rod 611, and the hanging piece 620 is hung on the hanging lug 614.
A reinforcing plate 613 is connected between the upper flange plate and the lower flange plate of the longitudinal main beam 611, the reinforcing plate 613 is vertically arranged, and the reinforcing plate 613 is respectively connected with the upper flange plate, the lower flange plate and the web plate which are positioned on the same side of the web plate. One reinforcing plate 613 is disposed near each suspension lug 614.
The beam body seat 630 includes a rectangular bottom frame 632, the width of the bottom frame 632 is equal to that of the bridging beam 610, the bottom frame 632 is connected with a positioning plate 633 respectively corresponding to the frame strips on both sides of the bridging beam 610, and the positioning plate 633 is located in a vertical plane and connected below the bottom frame 632. After the installation, two positioning plates 633 of the same beam body seat 630 respectively lean against the outer walls of the two sides of the box culvert a.
A support body 631 formed by H-shaped steel sections and channel steel sections which are connected in a staggered manner is arranged above the bottom frame 632, and the bridging beam 610 is arranged above the support body 631.
The hanging members 620 are in one-to-one correspondence with the hanging lugs 240. The suspension part 620 is a turn buckle, the upper end of the turn buckle is connected with the bridging beam 610, the lower end of the turn buckle is a hook, and the hook at the lower end of the turn buckle is hung on the hanging lug 240 below the turn buckle.
The construction process brief introduction of this system is as follows: and cutting off the damaged box culvert sections to form two sections of box culverts a which are oppositely arranged. During repair, the bridging suspension beam 600 is firstly hoisted to the two sections of box culverts a, wherein the two beam body seats 630 can be firstly and respectively installed at the broken ends of the two box culverts a, then the bridging beam 610 is installed on the two beam body seats 630, and the two beam body seats are temporarily connected through bolts to be welded or directly welded, or the beam body seats 630 and the bridging beam 610 are firstly assembled into a whole on the ground and then integrally hoisted and installed. And then, the middle steel box culvert section 200 is hoisted and hung below the middle part of the bridging beam 610 and is higher than the designed installation height. Then, the two sections of end steel box culvert sections 100 are respectively lifted, the connecting ends of the two sections of end steel box culvert sections are sleeved outside the middle steel box culvert section 200, the end steel box culvert sections 100 are hung at the ends of the bridging beams 610, the butt joints 150 extend into the corresponding box culvert a, and the box culvert a is fixedly connected with the butt joints by using the tensioning assemblies 400. Finally, the turn buckle is adjusted to extend, the middle steel box culvert section 200 is lowered, and the extrusion deformation strips 310 at the two ends of the middle steel box culvert section are respectively dropped on the inner bottom surfaces of the corresponding end steel box culvert sections 100.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (9)
1. The utility model provides a steel box culvert repair system of heavy-calibre box culvert, includes two sections box culverts (a) that set up relatively, its characterized in that: a bridging suspension beam (600) is arranged above the two sections of box culverts (a) in a spanning mode, a steel box culvert is connected below the bridging suspension beam (600) in a hanging mode, and the two sections of box culverts (a) are communicated through the steel box culvert;
the steel box culvert comprises three sections of steel box culvert sections which are sequentially connected along the length direction, wherein the steel box culvert sections positioned at two ends are end steel box culvert sections (100), and the steel box culvert sections positioned in the middle are middle steel box culvert sections (200);
the outer end of the end steel box culvert section (100) is provided with a butt joint (150), the butt joint (150) is respectively in butt joint with the corresponding box culvert (a), and the inner end of the end steel box culvert section (100) is a connecting end;
the two ends of the middle steel box culvert section (200) are respectively jointed with the outer side face or the inner side face of the connecting end in an attaching mode, and the two ends of the middle steel box culvert section (200) are respectively corresponding to the two ends of the connecting end, and an end water stopping structure (300) is arranged between the connecting end and the connecting end.
2. The steel box culvert repairing system of the large-caliber box culvert according to claim 1, wherein: the bridging suspension beam (600) comprises a bridging beam (610) and two beam body seats (630), the two beam body seats (630) are respectively arranged on the two box culverts (a), and two ends of the bridging beam (610) are respectively arranged on the corresponding beam body seats (630);
two rows of hanging parts (620) are arranged below the bridging beam (610), the two rows of hanging parts (620) are symmetrically distributed on two sides of the bridging beam (610), and each row of hanging parts (620) are arranged along the length direction of the bridging beam (610) and are respectively connected with corresponding side walls of the steel box culvert.
3. The steel box culvert repairing system of the large-caliber box culvert according to claim 2, wherein: the suspension member (620) is a telescopic suspension member, the upper end of the suspension member (620) is connected with the bridging beam (610), and the lower end of the suspension member (620) is connected with the steel box culvert.
4. The steel box culvert repairing system of the large-caliber box culvert according to claim 1, wherein: the cross section of the butt joint (150) is adapted to the inner wall of a box culvert (a), the cross section of the butt joint (150) is U-shaped, the butt joint (150) extends into the corresponding box culvert (a), a resisting plate (180) is arranged along the outer wall of the butt joint (150) in the circumferential direction, the resisting plate (180) is perpendicular to the axial direction of the butt joint (150), the inner edge of the resisting plate (180) is connected with the outer wall of the butt joint (150), and the resisting plate (180) is abutted to the end face of the box culvert (a);
a tensioning assembly (400) is connected between the butt joint (150) and the box culvert (a);
an end face sealing piece (500) is arranged between the abutting plate (180) and the box culvert (a).
5. The steel box culvert repairing system of the large-caliber box culvert according to claim 4, wherein: the tensioning assembly (400) comprises a fastening seat (410) and a tensioning fastener (420);
the fastening seat (410) is door-shaped, the fastening seat (410) is sleeved on the box culvert (a), and two vertical parts of the fastening seat (410) are respectively provided with a row of tensioning holes (414);
two side edges of the abutting plate (180) extend beyond the outer surface of the side wall of the box culvert (a) respectively, a row of abutting plate holes (181) are distributed on the abutting plate (180) close to the two side edges of the abutting plate in a penetrating mode respectively, and the abutting plate holes (181) are opposite to the tensioning holes (414) one by one;
the tensioning plate holes (181) are strip-shaped holes, the tensioning plate holes (181) are vertically arranged, one tensioning fastener (420) penetrates through each tensioning plate hole (181), and the tensioning fasteners (420) are arranged in parallel and are respectively connected with the fastening seat (410).
6. The steel box culvert repairing system of the large-caliber box culvert according to claim 5, wherein: the end face sealing piece (500) comprises a U-shaped end face sealing gasket (510), and the end face sealing gasket (510) is matched with the abutting plate (180) in shape and is positioned between the abutting plate (180) and the end face of the box culvert (a);
the horizontal section of the end face sealing gasket (510) is connected with a bottom sealing strip (520), the bottom sealing strip (520) is arranged along the horizontal section of the end face sealing gasket (510), and the bottom sealing strip (520) is positioned between the insertion end of the butt joint (150) and the bottom wall of the box culvert (a);
the surfaces of the end face sealing gasket (510) and the bottom sealing strip (520) facing the box culvert (a) are respectively provided with at least one continuous pressure-variable convex strip;
all the pressing and changing convex strips are arranged in parallel to the abutting plates (180).
7. The steel box culvert repairing system of the large-caliber box culvert according to claim 1, wherein: the steel box culvert section comprises a bottom plate and two vertical plates, wherein the two vertical plates are respectively connected to two opposite side edges of the bottom plate;
the two vertical plates gradually expand outwards from the lower edge to the upper edge to form the steel box culvert section with the cross section being narrow at the lower part and wide at the upper part;
the bottom of the butt joint (150) is level with the bottom plate of the end steel box culvert section (100), the upper ends of the side walls of the butt joint (150) are respectively level with the upper edges of the corresponding vertical plates, and triangular transition connecting plates (160) are connected between the side walls of the butt joint (150) and the corresponding vertical plates;
end stagnant water structure (300) are including extrusion deformation strip (310), and this extrusion deformation strip (310) are along the hoop setting of middle steel box culvert festival (200), and this extrusion deformation strip (310) pastes in succession and establishes on the surface of middle steel box culvert festival (200), this extrusion deformation strip (310) press from both sides and establish middle steel box culvert festival (200) with between the relative surface of link.
8. The steel box culvert repairing system of the large-caliber box culvert according to claim 7, wherein: along every on the surface of middle steel box culvert festival (200) extrusion deformation strip (310) move towards and be provided with a constant head tank (320) respectively, the notch of this constant head tank (320) is towards the internal surface of tip steel box culvert festival (100), be provided with in this constant head tank (320) extrusion deformation strip (310), extrusion deformation strip (310) surpass the notch of constant head tank (320) and with the internal surface laminating of tip steel box culvert festival (100).
9. The steel box culvert repairing system of the large-caliber box culvert according to claim 8, wherein: a pair of angle steels (330) are arranged in parallel along the direction of the extrusion deformation strip (310), one side of each angle steel (330) is welded on the outer surface of the middle steel box culvert section (200) in an attaching mode, and the other side of each angle steel (330) is vertically arranged on the outer surface of the middle steel box culvert section (200);
the positioning groove (320) is formed by the pair of angle steels (330) and the surface of the steel box culvert section (200) in a surrounding manner;
the extrusion deformation strip (310) is tubular, the outer wall of the extrusion deformation strip (310) abuts against the groove bottom and two groove walls of the positioning groove (320) respectively, and the groove depth of the positioning groove (320) is 1/3-2/3 of the outer diameter of the extrusion deformation strip (310).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441277.9U CN212077672U (en) | 2019-12-30 | 2019-12-30 | Steel box culvert repairing system of large-diameter box culvert |
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| CN201922441277.9U CN212077672U (en) | 2019-12-30 | 2019-12-30 | Steel box culvert repairing system of large-diameter box culvert |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074799A (en) * | 2019-12-30 | 2020-04-28 | 重庆市排水有限公司 | Steel box culvert repairing system of large-diameter box culvert |
| CN112627539A (en) * | 2020-12-09 | 2021-04-09 | 中国葛洲坝集团第一工程有限公司 | Four-hole inverted siphon top plate double-layer steel bar lifting, positioning and fixing device and construction method |
-
2019
- 2019-12-30 CN CN201922441277.9U patent/CN212077672U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074799A (en) * | 2019-12-30 | 2020-04-28 | 重庆市排水有限公司 | Steel box culvert repairing system of large-diameter box culvert |
| CN111074799B (en) * | 2019-12-30 | 2024-06-07 | 重庆市排水有限公司 | Steel box culvert restoration system of large-caliber box culvert |
| CN112627539A (en) * | 2020-12-09 | 2021-04-09 | 中国葛洲坝集团第一工程有限公司 | Four-hole inverted siphon top plate double-layer steel bar lifting, positioning and fixing device and construction method |
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