CN109252458B - Box culvert emergency drainage construction method - Google Patents
Box culvert emergency drainage construction method Download PDFInfo
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- CN109252458B CN109252458B CN201811284883.8A CN201811284883A CN109252458B CN 109252458 B CN109252458 B CN 109252458B CN 201811284883 A CN201811284883 A CN 201811284883A CN 109252458 B CN109252458 B CN 109252458B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
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Abstract
The invention discloses an emergency drainage construction method for box culverts, which comprises the following steps: respectively blocking water flow at an upstream section and a downstream section of a damaged section of a box culvert so as to stop water flow at the damaged section; cutting off the damaged section and flattening the end surfaces of the upstream section and the downstream section; thirdly, an emergency drainage system is installed, and the end face of the upstream section is communicated with the end face of the downstream section; step four, the water flow blockage of the upstream section and the downstream section of the damaged section of the box culvert is removed, and the water flow is recovered; the emergency drainage system comprises a pipe body, box culvert butt joints are connected to two ends of the pipe body respectively, the two box culvert butt joints are in butt joint with the upstream section end face and the downstream section end face respectively, butt joint stabilizing seats are arranged on the outer walls of the box culverts of the upstream section and the downstream section respectively and used for abutting the box culvert butt joints against the corresponding upstream section end face or the downstream section end face. The invention has the advantages that the emergency drainage system can be conveniently and quickly set up, and the drainage system can be recovered to work as soon as possible.
Description
Technical Field
The invention relates to a device for maintaining a water pipe network, in particular to an emergency drainage construction method for a box culvert.
Background
In the operation of sewage treatment plant, receive many-sided factors such as waterstop ageing, geology subside, environment, construction, the phenomenon such as expansion joint dislocation, tearing often can appear in the box culvert, cause and leak, influence pipe network system normal operating, have great potential safety hazard simultaneously. The box culvert is usually used on a main drainage pipeline, and the damage of the box culvert has serious influence on a drainage system, so that emergency repair is needed once the box culvert is damaged.
The box culvert is difficult to maintain when damaged or broken, but as a main drainage pipeline, long-time water stopping maintenance is generally not allowed. Thus, emergency drain channels are quickly established as a temporary replacement for damaged parts, and time is gained for permanent repairs. The emergency drainage channel should have the following characteristics: firstly, the structure is as simple as possible, secondly, the construction can be quickly carried out, and thirdly, the cost is as low as possible. At present, no such box culvert emergency drainage system meets the requirements.
Disclosure of Invention
In order to solve the technical problems, the invention provides an emergency drainage construction method for box culverts.
The technical scheme is as follows:
the emergency drainage construction method for box culvert is characterized by comprising the following steps,
respectively blocking water flow at an upstream section and a downstream section of a damaged section of a box culvert so as to stop water flow at the damaged section;
cutting off the damaged section and flattening the end surfaces of the upstream section and the downstream section;
setting an emergency drainage system, and communicating the end surface of the upstream section with the end surface of the downstream section;
step four, the water flow blockage of the upstream section and the downstream section of the damaged section of the box culvert is removed, and the water flow is recovered;
the emergency drainage system comprises an adjacent drainage pipe, wherein the adjacent drainage pipe is positioned between the upstream section and the downstream section, two ends of the adjacent drainage pipe are respectively connected with box culvert butt joints, and the two box culvert butt joints are respectively butted with the end face of the upstream section and the end face of the downstream section;
butt joint stabilizing seats are respectively arranged on the outer walls of the box culvert of the upstream section and the downstream section;
and an adjustable tensioning mechanism is connected between the butt joint stabilizing seat and the corresponding box culvert butt joint so that the box culvert butt joint abuts against the corresponding upstream section end face or downstream section end face.
By adopting the method, an emergency drainage system can be conveniently and quickly set up, and drainage can be recovered as soon as possible, so that the drainage interruption time is shortened, the influence on the whole drainage system is reduced, and the time is saved for thorough restoration.
As a preferred technical scheme, the box culvert butt joint comprises a switching pipe body, wherein a box culvert butt joint plate is arranged at one end, facing the end face of the upstream section or the downstream section, of the switching pipe body, and a pipeline butt joint plate is arranged at the other end of the switching pipe body;
inner holes are respectively formed in the box culvert abutting plate and the pipeline abutting plate corresponding to the inner cavity of the switching pipe body, and the inner holes are communicated with the inner cavity of the switching pipe body to form an abutting joint cavity;
abutting the box culvert abutting plate against the corresponding upstream section end face or downstream section end face, and arranging a sealing gasket between the box culvert abutting plate and the corresponding upstream section end face or downstream section end face;
a bearing part is arranged on one surface of the box culvert abutting plate facing the butt joint stabilizing seat and falls on the box culvert wall of the corresponding upstream section or downstream section;
after the butt joint stabilizing seat is fixed on the outer wall of the box culvert, the box culvert butt joint plate is connected with the butt joint stabilizing seat through the adjustable tensioning mechanism;
the pipeline butt-joint plate is in butt joint connection with the adjacent discharge pipe, so that the adjacent discharge pipe, the butt-joint cavity and the pipe cavity of the upstream section or the downstream section are communicated.
By adopting the design, the butt joint between the pipe body and the end face of the upstream section or the end face of the downstream section is very conveniently realized by the box culvert butt joint, and the supporting part is arranged to support the box culvert butt joint.
As a preferred technical scheme, the box culvert abutting plate is rectangular, an inner hole of the box culvert abutting plate is circular, and the circle center of the inner hole is overlapped with the center of the box culvert abutting plate;
the pipeline butt-joint plate is annular;
the inner hole apertures of the box culvert butt plate and the pipeline butt plate are the same as the inner cavity aperture of the switching pipe body.
By adopting the design, the box culvert abutting plate is adaptive to the shape of the cross section of the box culvert, the inner diameter of the butt joint cavity is consistent, and water flow is facilitated.
Preferably, the supporting portion is a supporting plate, the supporting plate is perpendicular to the box culvert abutting plate, the supporting plate is close to and parallel to the bottom edge of the box culvert abutting plate, when the supporting plate is installed, the supporting plate falls on the bottom surface of the inner wall of the box culvert of the corresponding upstream section or downstream section, and a sealing gasket is clamped between the lower surface of the supporting plate and the bottom surface of the inner wall of the box culvert of the corresponding upstream section or downstream section.
By adopting the design, the bearing plate falls on the bottom surface of the inner side wall of the end part of the box culvert, so that the butt joint of the box culvert is supported, and meanwhile, the installation and the positioning are convenient.
As a preferred technical scheme, the butt joint stabilizing seat comprises a seat strip, the seat strip comprises a base plate and a tensioning plate, the base plate and the tensioning plate are arranged along the same length direction, the inner side surface of the base plate is attached to the outer wall of the box culvert, the tensioning plate is connected with the outer side surface of the base plate, and the tensioning plate is perpendicular to the base plate;
a base hole penetrates through the base plate, and an expansion bolt penetrates through the base hole to fix the seat strip on the outer wall of the box culvert;
the tensioning plate is opposite to the box culvert butt joint plate in parallel, the tensioning plate and the box culvert butt joint plate are connected through the adjustable tensioning mechanisms, and at least two adjustable tensioning mechanisms are distributed in parallel along the length direction of the tensioning plate.
Design more than adopting, conveniently pass through base hole and box culvert outer wall fixed connection on the base plate with the seat strip, a plurality of adjustable straining device can guarantee the box culvert butt joint and the stable butt joint of box culvert tip.
As a preferred technical scheme, the seat strips are respectively arranged on the top surfaces and two vertical side surfaces of the upstream section and the downstream section, the top edge of the box culvert abutting plate is horizontally arranged opposite to the seat strips positioned on the top surface of the box culvert, and the two side edges of the box culvert abutting plate are arranged opposite to the seat strips positioned on the two vertical side surfaces of the box culvert one by one;
tensioning plate holes penetrate through the tensioning plates, abutting plate holes penetrate through the top edges and the two side edges of the box culvert abutting plates respectively, the abutting plate holes are distributed around the inner holes of the box culvert abutting plates, the abutting plate holes correspond to the tensioning plate holes one by one, and the adjustable tensioning mechanisms are connected between the corresponding abutting plate holes and the tensioning plate holes;
the adjustable tensioning mechanism is a turnbuckle;
respectively fixing the seat strips on the top surfaces and two vertical side surfaces of the upstream section and the downstream section, then penetrating one end of a turnbuckle into the abutting plate hole and fixing, penetrating the other end of the turnbuckle into the tensioning plate hole and fixing, and then screwing a nut to enable the abutting joint stabilizing seat to abut against the end surface of the upstream section or the end surface of the downstream section;
and each group of corresponding tensioning plate holes and the corresponding butting plate holes are connected through turn screws.
Design more than adopting, each limit department that the butt plate corresponds the seat strip is contained to the box all sets up basket screw, and the tensioning plate that stabilizes the seat with the butt joint is just to the tensioning, and it has taut pore to run through on taut plate, and the butt pore is run through to the correspondence on the butt plate is contained to the box, and the basket screw's of being convenient for installation is through adjusting basket screw, makes the box contain the butt joint support tight box and contains the terminal surface.
As a preferred technical scheme, the tensioning plate is connected with the middle part of the outer surface of the base plate, and the base holes are respectively distributed on the base plate at the two sides of the tensioning plate;
and reinforcing rib plates are connected between the two side surfaces of the tensioning plate and the base plate respectively.
By adopting the design, the installation stability of the base plate and the connection strength between the tensioning plate and the base plate are enhanced.
As a preferred technical scheme, an elastic attaching strip is arranged on the inner side surface of the substrate;
a clamping groove is formed in the inner surface of the substrate along the length direction of the substrate, a protruding strip is arranged on the outer side surface of the elastic attaching strip corresponding to the clamping groove, and the protruding strip is embedded in the clamping groove;
disc-shaped depressions are distributed on the inner side surface of the elastic attaching strip in an array mode, and the inner side surface of the elastic attaching strip is attached to the outer wall of the box culvert.
By adopting the design, the butt joint stabilizing seat is well attached to the outer wall of the box culvert, and the holding force is increased.
As a preferred technical scheme, the adjacent exhaust pipe comprises a U-shaped pipe section, two ends of the U-shaped pipe section are respectively connected with a horizontally arranged linear pipe section, and one end of the linear pipe section, which is far away from the U-shaped pipe section, is connected with a flange;
the U-shaped pipe section is vertically arranged on the ground, the flanges at the two ends of the adjacent discharge pipe are abutted against the corresponding pipeline butt-joint plates, and the flanges and the pipeline butt-joint plates are waterproof and sealed.
Design more than adopting, the bottom of U-shaped pipe is fallen subaerial, can form the support to it self to reduce because the pulling force effect of water gravity to the box culvert, and avoid setting up the support below it, simplify the installation of emergent drainage system.
As a preferred technical scheme, the pipe butt-joint plate is provided with butt-joint plate holes in a penetrating manner, all the butt-joint plate holes are distributed around inner holes of the pipe butt-joint plate, the flange is provided with flange plate holes corresponding to the butt-joint plate holes, the corresponding butt-joint plate holes are connected with the flange plate holes through bolts, and a sealing ring is clamped between the flange and the pipe butt-joint plate.
By adopting the design, the installation between the pipe body and the box culvert butt joint is convenient.
Has the advantages that: the invention has the advantages that the emergency drainage system can be conveniently and quickly set up, and the drainage can be recovered as soon as possible, so that the drainage interruption time is shortened, the influence on the whole drainage system is reduced, and the time is saved for thorough restoration.
Drawings
FIG. 1 is a schematic diagram of an emergency drainage system;
FIG. 2 is a schematic view of the installation system between the end of the pipe adjacent to the pipe and the end of the box culvert;
FIG. 3 is a schematic structural view of a box culvert abutting seat;
FIG. 4 is a rear view of FIG. 3;
FIG. 5 is a cross-sectional view taken at C-C' of FIG. 4;
FIG. 6 is a schematic view of a structure of a docking head stabilizer;
FIG. 7 is a right side view of FIG. 6;
fig. 8 is a sectional view a-a' in fig. 6.
Detailed Description
The invention is further illustrated by the following examples and figures.
An emergency drainage construction method for box culverts comprises the following steps:
step one, respectively blocking water flow at an upstream section a1 and a downstream section a2 of a damaged section of the box culvert so as to stop water flow at the damaged section;
cutting off the damaged section and flattening the end surfaces of the upstream section a1 and the downstream section a 2;
setting an emergency drainage system, and communicating the end surface of the upstream section a1 with the end surface of the downstream section a 2;
step four, the water flow blockage of the upstream section a1 and the downstream section a2 of the damaged section of the box culvert is removed, and the water flow is recovered;
as shown in fig. 1 and 2, the emergency drainage system includes an adjacent drainage pipe 400, the adjacent drainage pipe 400 is located between the upstream section a1 and the downstream section a2, two ends of the adjacent drainage pipe 400 are respectively connected with a box culvert butt joint 200, and the two box culvert butt joint 200 are respectively in butt joint with the end face of the upstream section a1 and the end face of the downstream section a 2;
the outer walls of the box culvert of the upstream section a1 and the downstream section a2 are respectively provided with a butt joint stabilizing seat 100;
the pair of terminal stabilizing seats 100 is disposed opposite to the corresponding box culvert terminal 200, and an adjustable tensioning mechanism 300 is connected between the pair of terminal stabilizing seats 100 and the corresponding box culvert terminal 200 to enable the box culvert terminal 200 to abut against the corresponding end surface of the upstream section a1 or the downstream section a 2.
As shown in fig. 3, 4 and 5, the culvert butt joint 200 includes a transition pipe body 220, and one end of the transition pipe body 220 facing the end face of the upstream section a1 or the downstream section a2 is provided with a culvert butt plate 210, and the other end is provided with a pipe butt plate 230.
Inner holes are respectively formed in the box culvert abutting plate 210 and the pipeline abutting plate 230 corresponding to the inner cavity of the adapter tube body 220, and the inner holes are communicated with the inner cavity of the adapter tube body 220 to form an abutting joint cavity 250.
The box culvert butt plate 210 is rectangular, the inner hole of the box culvert butt plate 210 is circular, the circle center of the inner hole coincides with the center of the box culvert butt plate 210, and the pipe butt plate 230 is circular. The inner hole apertures of the box culvert abutting plate 210 and the pipeline abutting plate 230 are the same as the inner cavity aperture of the adapter pipe body 220.
As shown in fig. 2, the culvert abutment plate 210 is connected to the docking head stabilizer 100 by the adjustable tensioning mechanism 300. The pipe butt plate 230 is connected to the adjacent discharge pipe 400.
A bearing part 240 is disposed on a surface of the culvert abutting plate 210 facing the butt joint stabilizing seat 100, specifically, the bearing part 240 is a bearing plate, the bearing plate is perpendicular to the culvert abutting plate 210, and the bearing plate is close to and parallel to the bottom edge of the culvert abutting plate 210.
As shown in fig. 6, 7 and 8, the docking head stabilizing socket 100 includes a socket strip, which includes a base plate 110 and a tension plate 120, which are disposed along the same length direction, wherein the inner side of the base plate 110 corresponds to the outer wall of the box culvert, the tension plate 120 is connected to the outer side of the base plate 110, and the tension plate 120 is perpendicular to the base plate 110.
A base hole 111 is formed through the base plate 110 for inserting an expansion bolt to fix the docking head stabilizer 100 to the outer wall of the box culvert.
The box culvert supporting plate is characterized in that the seat strips are respectively arranged on the top surface and the two vertical side surfaces of the box culvert, the top edge of the box culvert supporting plate 210 is opposite to the seat strips on the top surface of the box culvert, and the two side edges of the box culvert supporting plate 210 are opposite to the seat strips on the two vertical side surfaces of the box culvert one by one. Furthermore, the seat strips on the top surface of the box culvert and the seat strips on the two vertical side surfaces of the box culvert are connected into a door-shaped frame, so that the seat strips can be directly sleeved on the outer wall of the box culvert, the installation is convenient, and the strength of the butt joint stabilizing seat 100 is enhanced.
Specifically, the adjustable tensioning mechanism 300 is a turnbuckle, one end of the turnbuckle is inserted into the abutting plate hole 211 and fixed, and the other end of the turnbuckle is inserted into the tensioning plate hole 121 and fixed. By adjusting the nuts of the turnbuckle, the box culvert butt joint 200 can be finely adjusted to make the box culvert abutting plate 210 abut against the end face of the upstream section a1 or the downstream section a 2.
In order to improve the strength of the joint stabilizer 100, the tension plate 120 is connected to the middle of the outer surface of the base plate 110, and the base holes 111 are respectively distributed on the base plate 110 at both sides of the tension plate 120. Reinforcing ribs 130 are connected between both side surfaces of the tension plate 120 and the base plate 110.
Further, for improving calandria mount pad 100 and the power of holding to the box culvert pipe wall the medial surface of base plate 110 is equipped with elasticity laminating strip 140 it is equipped with draw-in groove 112 to extend its length direction on the internal surface of base plate 110, it is equipped with sand grip 142 to correspond on the lateral surface of elasticity laminating strip 140 draw-in groove 112, this sand grip 142 is embedded in the draw-in groove 112, the array distribution has the dish to cave 141 on the medial surface of elasticity laminating strip 140, the medial surface of elasticity laminating strip 140 is attached at the box culvert outer wall. When the base plate 110 presses the elastic fitting strip 140 onto the outer wall of the box culvert, the disc-shaped recess acts like a suction cup, so that the holding force of the elastic fitting strip 140 on the outer wall of the box culvert is improved.
The pipe facing-arranging 400 comprises a U-shaped pipe section 410, two ends of the U-shaped pipe section 410 are respectively connected with a horizontally arranged linear pipe section 420, one end of the linear pipe section 420, which is far away from the U-shaped pipe section 410, is connected with a flange 500, the flange 500 abuts against and is in watertight connection with the pipe butt plate 230, and specifically, a rubber sealing gasket can be clamped between the flange 500 and the pipe butt plate 230.
The pipe butt plate 230 has butt plate holes 231 penetrating therethrough, all the butt plate holes 231 are distributed around the inner hole of the pipe butt plate 230, the flange 500 has flange holes 510 corresponding to the butt plate holes 231, and fig. 2 shows a state where the flange 500 approaches the butt joint stabilizing seat 100. After the flange 500 and the pipe butt plate 230 abut against each other, the corresponding butt plate hole 231 and the flange plate hole 510 are connected by bolts.
During construction, the box culvert butt joint 200 is firstly installed, the box culvert butt joint plate 210 abuts against the corresponding end face of the upstream section a1 or the end face of the downstream section a2, and a rubber sealing gasket is arranged between the box culvert butt joint plate 210 and the corresponding end face of the upstream section a1 or the end face of the downstream section a 2; and enabling the bearing plate to fall on the bottom surface of the inner wall of the box culvert of the corresponding upstream section a1 or the corresponding downstream section a2, and clamping a rubber sealing gasket between the lower surface of the bearing plate and the bottom surface of the inner wall of the box culvert of the corresponding upstream section a1 or the corresponding downstream section a 2.
Then the door-shaped butt joint stabilizing seat 100 is sleeved on the outer wall of the box culvert of the upstream section a1 and the downstream section a2, holes are drilled on the outer wall of the box culvert corresponding to the base holes 111, then expansion bolts are penetrated to fix the butt joint stabilizing seat 100 on the outer wall of the box culvert, the butt joint stabilizing seat 100 and the box culvert butt joint 200 are tightened by basket screws, finally the flange plate holes 510 at two ends of the adjacent exhaust pipes 400 are respectively connected with the corresponding butt joint plate holes 231 of the butt joint stabilizing seat 100 by bolts, and the installation can be completed,
because the box culvert pipeline often erects on the box culvert supporting seat and has a take the altitude apart from ground, will face calandria 400 and design for containing U-shaped pipe section 410, this design can make the bottom of U-shaped pipe section 410 fall on ground, plays the supporting role to facing calandria 400 to can reduce because the gravity action of water to the pulling force of butt joint stabilizer 100, and easy to assemble. If the box culvert is laid on the ground, a pit needs to be dug below the damaged section during maintenance so as to facilitate construction, and at the moment, the bottom of the U-shaped pipe section 410 falls into the pit and also plays a supporting role on the adjacent discharge pipe 400.
The connection among all parts of the whole emergency drainage system is very convenient, so the method can quickly recover the work of the drainage system, gain time for permanent repair and almost realize the repair of the drainage box culvert in a 'non-water-stop' mode.
Finally, it should be noted that the above-mentioned 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 scope of the present invention.
Claims (10)
1. An emergency drainage construction method for box culverts is characterized by comprising the following steps:
step one, respectively blocking water flow at an upstream section (a1) and a downstream section (a2) of a damaged section of the box culvert so as to stop water flow at the damaged section;
cutting off the damaged section and flattening the end surfaces of the upstream section (a1) and the downstream section (a 2);
setting an emergency drainage system, and communicating the end surface of the upstream section (a1) with the end surface of the downstream section (a 2);
step four, the water flow blockage of the upstream section (a1) and the downstream section (a2) of the damaged section of the box culvert is relieved, and the water flow is recovered;
the emergency drainage system comprises an adjacent drainage pipe (400), wherein the adjacent drainage pipe (400) is positioned between an upstream section (a1) and a downstream section (a2), two ends of the adjacent drainage pipe (400) are respectively connected with box culvert butt joints (200), and the two box culvert butt joints (200) are respectively butted with the end face of the upstream section (a1) and the end face of the downstream section (a 2);
the outer walls of the box culvert of the upstream section (a1) and the downstream section (a2) are respectively provided with a butt joint stabilizing seat (100);
an adjustable tensioning mechanism (300) is connected between the butt joint stabilizing seat (100) and the corresponding box culvert butt joint (200) so that the box culvert butt joint (200) abuts against the end face of the corresponding upstream section (a1) or the end face of the corresponding downstream section (a 2).
2. The box culvert emergency drainage construction method according to claim 1, characterized in that: the box culvert butt joint (200) comprises a switching pipe body (220), one end, facing the end face of the upstream section (a1) or the downstream section (a2), of the switching pipe body (220) is provided with a box culvert butt joint plate (210), and the other end of the switching pipe body is provided with a pipeline butt joint plate (230);
inner holes are respectively formed in the box culvert abutting plate (210) and the pipeline abutting plate (230) corresponding to the inner cavity of the adapter pipe body (220), and the inner holes are communicated with the inner cavity of the adapter pipe body (220) to form an abutting joint cavity (250);
abutting the box culvert abutting plate (210) against the corresponding end face of the upstream section (a1) or the end face of the downstream section (a2), and arranging a sealing gasket between the box culvert abutting plate (210) and the corresponding end face of the upstream section (a1) or the end face of the downstream section (a 2);
a bearing part (240) is arranged on one surface of the box culvert abutting plate (210) facing the butt joint stabilizing seat (100), and the bearing part (240) falls on the box culvert wall of the corresponding upstream section (a1) or downstream section (a 2);
after the butt joint stabilizing seat (100) is fixed on the outer wall of the box culvert, the box culvert butt joint plate (210) is connected with the butt joint stabilizing seat (100) through the adjustable tensioning mechanism (300);
the pipeline butt plate (230) is in butt joint connection with the adjacent discharging pipe (400), so that the adjacent discharging pipe (400), the butt joint cavity (250) and the pipe cavities of the upstream section (a1) or the downstream section (a2) are communicated.
3. The box culvert emergency drainage construction method according to claim 2, characterized in that: the box culvert abutting plate (210) is rectangular, an inner hole of the box culvert abutting plate (210) is circular, and the circle center of the inner hole is superposed with the center of the box culvert abutting plate (210);
the pipeline butt plate (230) is in a ring shape;
the inner hole apertures of the box culvert abutting plate (210) and the pipeline abutting plate (230) are the same as the inner cavity aperture of the switching pipe body (220).
4. The box culvert emergency drainage construction method according to claim 3, characterized in that: the bearing part (240) is a bearing plate, the bearing plate is perpendicular to the box culvert abutting plate (210), the bearing plate is close to the bottom edge of the box culvert abutting plate (210) and is parallel to the bottom edge, when the bearing plate is installed, the bearing plate falls on the bottom surface of the inner wall of the box culvert of the corresponding upstream section (a1) or the corresponding downstream section (a2), and a sealing gasket is clamped between the lower surface of the bearing plate and the bottom surface of the inner wall of the box culvert of the corresponding upstream section (a1) or the corresponding downstream section (a 2).
5. The box culvert emergency drainage construction method according to claim 4, characterized in that: the butt joint stabilizing seat (100) comprises a seat strip, the seat strip comprises a base plate (110) and a tensioning plate (120) which are arranged along the same length direction, the inner side surface of the base plate (110) is attached to the outer wall of the box culvert, the tensioning plate (120) is connected with the outer side surface of the base plate (110), and the tensioning plate (120) is perpendicular to the base plate (110);
a base hole (111) penetrates through the base plate (110), and an expansion bolt penetrates through the base hole (111) to fix the seat strip on the outer wall of the box culvert;
the tensioning plate (120) is opposite to the box culvert abutting plate (210) in parallel, the tensioning plate and the box culvert abutting plate are connected through the adjustable tensioning mechanisms (300), and at least two adjustable tensioning mechanisms (300) are distributed in parallel along the length direction of the tensioning plate (120).
6. The box culvert emergency drainage construction method according to claim 5, characterized in that: the top surface and two vertical side surfaces of the upstream section (a1) and the downstream section (a2) are respectively provided with the seat strips;
the top edge of the box culvert abutting plate (210) is horizontally arranged opposite to the seat strips positioned on the top surface of the box culvert, and two side edges of the box culvert abutting plate (210) are arranged opposite to the seat strips positioned on two vertical side surfaces of the box culvert one by one;
tensioning plate holes (121) penetrate through the tensioning plate (120), abutting plate holes (211) penetrate through the top edge and the two side edges close to the box culvert abutting plate (210), the abutting plate holes (211) are distributed around the inner hole of the box culvert abutting plate (210), the abutting plate holes (211) are in one-to-one correspondence with the tensioning plate holes (121), and the adjustable tensioning mechanisms (300) are connected between the corresponding abutting plate holes (211) and the tensioning plate holes (121);
the adjustable tensioning mechanism (300) is a turnbuckle;
after the seat strips positioned on the top surfaces and two vertical side surfaces of the upstream section (a1) and the downstream section (a2) are respectively fixed, one end of a turn buckle is arranged in the abutting plate hole (211) in a penetrating mode and fixed, the other end of the turn buckle is arranged in the corresponding tensioning plate hole (121) in a penetrating mode and fixed, and then a nut is screwed to enable the butt joint stabilizing seat (100) to abut against the end surface of the upstream section (a1) or the end surface of the downstream section (a 2);
each set of corresponding tension plate holes (121) and abutting plate holes (211) are connected through turn-buckle screws.
7. The box culvert emergency drainage construction method according to claim 5, characterized in that: the tensioning plate (120) is connected with the middle part of the outer surface of the base plate (110), and the base holes (111) are respectively distributed on the base plate (110) at two sides of the tensioning plate (120);
reinforcing ribs (130) are connected between two side faces of the tensioning plate (120) and the base plate (110) respectively.
8. The box culvert emergency drainage construction method according to claim 5, characterized in that: an elastic attaching strip (140) is arranged on the inner side surface of the substrate (110);
a clamping groove (112) is formed in the inner surface of the substrate (110) along the length direction of the substrate, a protruding strip (142) is arranged on the outer side surface of the elastic attaching strip (140) corresponding to the clamping groove (112), and the protruding strip (142) is embedded in the clamping groove (112);
disc-shaped depressions (141) are distributed on the inner side surface of the elastic attaching strip (140) in an array mode, and the inner side surface of the elastic attaching strip (140) is attached to the outer wall of the box culvert.
9. The box culvert emergency drainage construction method according to claim 3, characterized in that: the pipe facing row (400) comprises a U-shaped pipe section (410), two ends of the U-shaped pipe section (410) are respectively connected with a horizontally arranged linear pipe section (420), and one end, far away from the U-shaped pipe section (410), of the linear pipe section (420) is connected with a flange (500);
the U-shaped pipe section (410) is erected on the ground, the flanges (500) at the two ends of the adjacent discharge pipe (400) are abutted against the corresponding pipeline butt joint plates (230), and the flanges and the pipeline butt joint plates are sealed in a waterproof mode.
10. The box culvert emergency drainage construction method according to claim 9, characterized in that: the pipeline butt joint plate is characterized in that butt joint plate holes (231) penetrate through the pipeline butt joint plate (230), all the butt joint plate holes (231) surround inner holes of the pipeline butt joint plate (230) to be distributed, flange plate holes (510) are formed in the flange (500) corresponding to the butt joint plate holes (231), the butt joint plate holes (231) and the flange plate holes (510) are connected through bolts correspondingly, and a sealing ring is clamped between the flange (500) and the pipeline butt joint plate (230).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811284883.8A CN109252458B (en) | 2018-10-31 | 2018-10-31 | Box culvert emergency drainage construction method |
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| 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 |
| CN112609603A (en) * | 2020-12-15 | 2021-04-06 | 山东省交通规划设计院有限公司 | Fast-assembled enhanced square culvert structure and construction method |
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