CN111379228A - Multistage drop box culvert that antiskid was moved - Google Patents
Multistage drop box culvert that antiskid was moved Download PDFInfo
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- CN111379228A CN111379228A CN202010261195.0A CN202010261195A CN111379228A CN 111379228 A CN111379228 A CN 111379228A CN 202010261195 A CN202010261195 A CN 202010261195A CN 111379228 A CN111379228 A CN 111379228A
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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 anti-slip multistage drop box culvert, which comprises a hollow box culvert body, wherein the outer top and the outer bottom of the box culvert body are both in a step shape, a plurality of drop steps are arranged on the inner bottom surface of the box culvert body along the water flow direction, and inclined slow-energy steep slopes are arranged on the step surfaces of the drop steps; according to the box culvert, the outer top and the outer bottom of the box culvert body are both arranged in the step shape, so that the weight of the box culvert body acts on a soil body below the box culvert body along the vertical direction, meanwhile, the earthing soil is positively pressed on the top of the box culvert body, and the box culvert body can be effectively prevented from sliding and the earthing soil on the top can be effectively prevented from sliding without additionally arranging an anti-sliding support facility; simultaneously carry out the striking energy dissipation to rivers through the inside drop ladder of box culvert body and can the abrupt slope with gentle ability, the cutting on the cooperation box culvert body medial surface can be protruding to carry out further energy dissipation to rivers, need not additionally set up the energy dissipation facility and can effectively slow down the velocity of water.
Description
Technical Field
The invention belongs to the technical field of box culvert structures, and particularly relates to an anti-slip multistage drop box culvert.
Background
The box culvert is a box-shaped hollow culvert with a reinforced concrete hole body, and the inner space of the box culvert is used for draining water flow. Newly-built box culvert in the steep district of relief, the slope of box culvert is steep and makes the inside water velocity of flow of box culvert very fast, in order to cut down the velocity of flow of water, need additionally add the energy dissipation facility and carry out the energy dissipation to rivers at box culvert entrance or exit usually. Meanwhile, mountain soil and stones are easy to loosen in flood season, and in order to avoid the box culvert from sliding, anti-sliding facilities anchored with the mountain must be arranged at the bottom of the box culvert.
The energy dissipation facility is arranged at the outlet of the box culvert, the anti-slip facility is arranged at the bottom of the box culvert, so that the structure of the box culvert is more complex, and the construction difficulty of the box culvert is increased. Meanwhile, because the top of the traditional box culvert is a smooth inclined plane, when the longitudinal slope of the top of the box culvert is steep, the earthing on the top of the box culvert is easy to slide longitudinally, and the box culvert is not beneficial to the safety and stability of soil bodies on the top of the box culvert and road facilities.
Therefore, the invention discloses an anti-slip multistage drop box culvert, which aims at the defects that the slip of a top soil body is easily caused by a steep longitudinal slope of a traditional box culvert, the energy cannot be effectively dissipated when the flow velocity of a water body in the box culvert is large, and the box culvert is very easy to slip.
Disclosure of Invention
The invention aims to provide an anti-sliding multistage drop culvert, which can effectively avoid the slippage of a culvert body under the condition that an anti-sliding support facility is not additionally arranged, effectively dissipate the energy of water flow under the condition that an energy dissipation facility is not additionally arranged and slow down the flow speed of the water flow.
The invention is realized by the following technical scheme:
the utility model provides a multistage drop box culvert that antiskid is moved, includes the box culvert body, the outer top and the outer bottom of box culvert body all are the echelonment, be provided with a plurality of drop ladders along the rivers direction on the inside bottom surface of box culvert body, be provided with the slow energy abrupt slope of slope on the step face of drop ladder.
The working principle is as follows:
the outer bottom of the box culvert body is arranged into a step shape along the direction of the mountain inclination and is contacted with the soil body at the bottom of the box culvert. Compare in the inclined plane contact of traditional box culvert bottom inclined plane and soil body, because the outer bottom of box culvert body is the echelonment, include horizontally step face and vertical face with the contact surface of the soil body of box culvert body bottom, make the whole weight of box culvert body act on the soil body of box culvert body bottom with vertical direction, rather than act on the soil body with the direction of downward sloping, just also mean that the gravity that the box culvert body acts on the soil body is vertical downwards and do not have along the component of massif slope, make difficult the emergence between box culvert body and the bottom soil body slide, can cancel and set up anti-skidding support facility in the bottom of box culvert body, when having simplified the structure of box culvert body, also reduced the installation degree of difficulty of box culvert body.
Simultaneously, the outer top of box culvert body also sets up to the echelonment, and after box culvert body top banket, the contact surface between the soil body at top and the outer top of box culvert body also is horizontally step face and vertical face, has avoided the separation of slope, effectively weakens the trend that the top soil body slided along the outer top of box culvert body for the upper portion soil body and the road facilities of box culvert body are safe firm more. Be provided with a plurality of drop ladders along massif incline direction on the inside bottom surface of box culvert body, get into the inside back of box culvert body when rivers, rivers can take place the striking with the drop ladder when flowing through each grade drop ladder, and then carry out the energy dissipation to rivers, have avoided additionally setting up additional structures such as energy dissipation facility in the entry or the exit of box culvert body, have also simplified the structure of box culvert body self when having guaranteed the energy dissipation effect greatly. Simultaneously, in order to further promote the energy dissipation effect to rivers, be provided with the slow abrupt slope of ability of slope on the drop ladder of each grade, rivers further dissipate the energy with the domatic striking of slow abrupt slope.
In order to better realize the invention, further, the corresponding position of the step surface of the adjacent water drop steps along the water flow direction is provided with a slow energy steep slope with opposite inclination directions.
The corresponding positions on the horizontal step surfaces of two adjacent drop steps are provided with the slow-energy steep slopes, the slope directions of the slow-energy steep slopes on the step surfaces of the two adjacent drop steps are opposite, namely one of the slow-energy steep slopes is inclined in a high-low mode, and the other slow-energy steep slope is inclined in a low-high mode, so that the impact process of water flow on the slow-energy steep slopes is prolonged, and the water flow is effectively energy-dissipated.
In order to better realize the invention, further, at least two slow-energy steep slopes are linearly arranged on the step surface of the drop step along the width direction of the drop step, and the inclination directions of adjacent slow-energy steep slopes on the step surface of the same drop step are opposite.
At least two parallel slow-energy steep slopes are arranged on the horizontal step surface of the same-stage drop step along the width direction of the drop step, and the inclination directions of the adjacent slow-energy steep slopes on the step surface of the same-stage drop step are opposite. And a slow energy steep slope opposite to the inclination direction is also arranged at the position, corresponding to the slow energy steep slope on the drop ladder of the previous stage, on the horizontal step surface of the drop ladder of the next stage. The inclined directions of the adjacent slow steep slopes on the horizontal step surface of the same-stage drop step are opposite, and the inclined directions of the slow steep slopes at the corresponding positions on the horizontal step surfaces of the adjacent two-stage drop steps are also opposite, so that the slow steep slopes which are arranged in a staggered mode in sequence are formed, and the energy dissipation of water flow is effectively enhanced.
In order to better realize the invention, a plurality of protruding energy cutting bulges are arranged on two opposite side surfaces in the box culvert body in an array manner along the water flow direction.
All be provided with a plurality of towards box culvert body inboard outstanding ability arch of cutting along rivers direction array on the relative both sides face of the both sides of the inside bottom surface of box culvert body, when rivers flow with cut the protruding emergence impact of ability, carry out supplementary energy dissipation to rivers.
In order to better realize the method, the top of the cutting-energy bulge is in smooth transition with the top surface of the interior of the box culvert body through a curved surface, and the bottom of the cutting-energy bulge is in smooth transition with the bottom surface of the interior of the box culvert body through a curved surface.
In order to better implement the present invention, further, the cutting protrusions may have a semicircular or triangular prism shape.
In order to better realize the invention, a groove is arranged on the opening end face at one end of the box culvert body, a flange inserted with the groove is arranged on the opening end face at the other end of the box culvert body, a first connecting lug is arranged at one side of the groove, and a second connecting lug correspondingly connected with the first connecting lug is arranged at one side of the flange.
The opening part at the both ends of box culvert body is provided with recess and flange respectively, and is domatic longer at the massif, and when single section box culvert body length was not enough to match the massif, the concatenation of multistage box culvert body need be carried out promptly. Realize the quick concatenation of adjacent box culvert body through inserting the flange of one section box culvert body one end in the recess of another section box culvert body one end. Simultaneously the terminal surface of first engaging lug aligns with the terminal surface of second engaging lug, connects the fastening through connecting reinforcement or connecting bolt between first engaging lug and the second engaging lug, realizes the connection between two sections adjacent box culvert bodies.
In order to better realize the invention, a pressed inclined plane is arranged at the bottom of the groove, an extrusion inclined plane is arranged at one end, close to the groove, of the flange corresponding to the pressed inclined plane, and a rubber ring is arranged between the pressed inclined plane and the extrusion inclined plane.
Inside back of flange insertion recess, the extrusion inclined plane of flange tip is close to and extrudees the rubber circle towards the pressurized inclined plane of recess bottom, when realizing the high-speed joint between the adjacent box culvert body, seals the junction through the rubber circle that is compressed tightly, avoids the inside rivers of box culvert body to spill over.
In order to better realize the invention, further, the inclination angle of the slow-energy steep slope is 10-30 degrees; the height of the water dropping step is 0.3m-1.5m, and the length of the water dropping step is 0.3m-30 m.
In order to better realize the invention, a plurality of water dropping steps are further arranged on the inner top surface of the box culvert body along the water flow direction.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) according to the box culvert, the stepped water drop steps are arranged on the inner bottom surface of the box culvert body along the water flow direction, so that the water flow falls and impacts when flowing through the water drop steps to realize energy dissipation of the water flow, and the flow speed of the water flow is effectively reduced;
(2) according to the invention, the energy-buffering steep slope is arranged on the step surface of each stage of drop step, the positions of the energy-buffering steep slopes on the step surfaces of adjacent drop steps are correspondingly arranged, and the inclination angles are opposite, so that water flow can quickly collide with the next stage of energy-buffering steep slope after passing through the previous stage of energy-buffering steep slope, and the effective energy dissipation of the water flow is realized;
(3) according to the invention, the plurality of parallel energy-buffering steep slopes are arranged on the step surface of the drop step at the same level along the width direction, the inclination angles of the adjacent energy-buffering steep slopes are opposite, and water flows are impacted mutually through the plurality of energy-buffering steep slopes which are arranged side by side and have different inclination directions, so that the energy dissipation effect on the water flows is further improved;
(4) according to the box culvert, the energy cutting bulges are arranged on the two opposite inner side surfaces of the box culvert body, so that when water flows through the side wall of the box culvert body, the water flows can collide with the energy cutting bulges, and the auxiliary energy dissipation of the water flows is realized;
(5) according to the box culvert, the drop ladder, the energy-releasing steep slope and the energy-cutting bulge are arranged in the box culvert body, so that the water flow can be effectively dissipated, external facilities such as extra energy dissipation facilities and the like do not need to be arranged at the inlet or the outlet of the box culvert body, the flow speed of the water flow can be effectively reduced, and the structure of the box culvert body is simplified;
(6) according to the box culvert, the outer bottom of the box culvert body is arranged in a step shape, so that the contact between the box culvert body and the soil at the bottom of the box culvert body is changed from inclined plane contact to horizontal plane contact, the weight of the box culvert body basically acts on the soil below in the vertical direction, the box culvert body is effectively prevented from sliding under the condition that an anti-sliding support facility is not additionally arranged, meanwhile, the structure of the box culvert body is simplified, and the box culvert body is more convenient to embed;
(7) according to the box culvert, the outer top of the box culvert body is arranged in the ladder shape, so that the contact between the box culvert body and the covering soil on the top of the box culvert body is changed from inclined surface contact to horizontal surface contact, the weight of the covering soil basically acts on the top of the box culvert body in the vertical direction, the covering soil on the top of the box culvert body is effectively prevented from slipping, the safety and stability of a soil body on the top of the box culvert body and road facilities are guaranteed, meanwhile, the structure of the box culvert body is simplified, and the box culvert body is more convenient to prefabricate and install.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
figure 2 is a schematic connection diagram of a multi-section box culvert body;
FIG. 3 is a schematic structural view of a slow-energy steep slope;
figure 4 is a schematic structural view of the box culvert body.
Wherein: 1-a box culvert body; 2-drop ladder; 3-energy-slowing steep slope; 4-cutting the energy bulge; 5-a groove; 6-a flange; 01-first connection lug; 02-second engaging lug.
Detailed Description
Example 1:
the multistage drop box culvert of antiskid of this embodiment, as shown in fig. 1 and fig. 4, including hollow box culvert body 1, the outer top and the outer bottom of box culvert body 1 all are the echelonment, be provided with a plurality of drop ladders 2 along the rivers direction on the inside bottom surface of box culvert body 1, be provided with the slow energy abrupt slope 3 of slope on the step face of drop ladder 2.
The outer bottom of box culvert body 1 sets up to a plurality of continuous ladders, and every ladder includes horizontally step face and vertical face, and the bottom of ladder all is provided with the C15 concrete bed course of 20cm thickness along step face and vertical face, and the ladder of the outer bottom of box culvert body 1 passes through concrete bed course and soil body contact. The box culvert body 1 is contacted with the soil body through the step face and the vertical face of outer bottom, has replaced and has carried out the inclined plane contact between traditional box culvert and the soil body for the weight of box culvert body 1 is used on the soil body along vertical direction basically, has avoided box culvert body 1 to slide along the massif slope. Meanwhile, the width of the concrete cushion layer is larger than that of the box culvert body 1, so that the contact area between the bottom of the box culvert body 1 and a soil body can be increased, the pressure of the box culvert body 1 to the soil body is reduced, and the stability of the soil body below the box culvert body 1 is further ensured. Simultaneously, the concrete bed course can assist the box culvert body in the excavation face and make level, the installation of the box culvert body of being convenient for.
The step surface can be not strictly set to be horizontal according to actual use requirements, and can also be inclined by a certain angle, and the inclination angle is less than or equal to 8 degrees. The outer top of box culvert body 1 also sets up to a plurality of continuous ladders, and every ladder includes horizontally step face and vertical face, and step face and vertical face and top soil body contact are passed through to the outer top of box culvert body 1, have replaced and have carried out the inclined plane contact between traditional box culvert and the soil body for the weight of the soil body of top landfill usefulness is used in the top of box culvert body 1 along vertical direction basically, has avoided sliding of the soil body of box culvert body 1 top.
Further, be provided with a plurality of netted beads on the bottom surface of the concrete bed course of the outer bottom of box culvert body 1, netted bead has increased the frictional force between concrete bed course and the soil body below, further prevents that box culvert body 1 from taking place to slide. Similarly, be provided with a plurality of netted recesses on the outer top of box culvert body 1, netted recess has increased the outer top of box culvert body 1 and the frictional force between the top soil body, effectively avoids the soil body above box culvert body 1 to slide.
The box culvert body 1 is provided with openings at two ends, one end is a water inlet end, and the other end is a water outlet end. The box culvert body 1 is inside to have the cavity water course that will intake end and play water end intercommunication, on the bottom surface of cavity water course, be provided with a plurality of continuous drop ladder 2 along the rivers direction on the inside bottom surface of box culvert body 1 promptly, drop ladder 2 includes horizontally step face and vertical drop face, falls and strikes with the step face when rivers flow through drop ladder 2, carries out effective energy dissipation to rivers, slows down the velocity of flow of rivers. Meanwhile, in order to further dissipate energy of water flow, the inclined energy-buffering steep slope 3 is arranged on the step surface of each drop step 2, and the water flow collides with the energy-buffering steep slope 3 when flowing through the step surface of the drop step 2, so that the water flow is further dissipated. Even if the drop is great for the end of intaking and the play water end of box culvert body 1, carry out dual energy dissipation through drop ladder 2 and gentle abrupt slope 3 to rivers, also can effectively slow down the speed of rivers, need not additionally set up outside energy dissipation facilities such as energy dissipation facility at the end of intaking or the play water end of box culvert body 1.
Further, be provided with a plurality of drop ladders 2 along the rivers direction on the inside top surface of box culvert body 1, rivers mainly carry out the energy dissipation through drop ladder 2 that sets up on the inside bottom surface of box culvert body 1, but when discharge is great, rivers splash and can strike with the inside top surface of box culvert body 1, consequently are provided with a plurality of drop ladders 2 along the rivers direction on the inside top surface of box culvert body 1, strike the energy dissipation through drop ladder 2 to the rivers that splash.
Example 2:
the present embodiment is further optimized based on embodiment 1, and as shown in fig. 1, the slow steep slopes 3 with opposite inclination directions are arranged at corresponding positions on the step surfaces of the adjacent drop steps 2 along the water flow direction.
The corresponding position all is provided with slowly can abrupt slope 3 on the step face of two adjacent drop ladders 2, and is located the slope opposite direction of slowly can abrupt slope 3 on the step face of two adjacent drop ladders 2, guarantees to fall and the 3 clashes of slowly can abrupt slope on the second drop ladder 2 after slowly can abrupt slope 3 on the first drop ladder 2 of rivers stream flow through, effectively carries out the energy dissipation to rivers.
At least two slow-energy steep slopes 3 are linearly arranged on the step surface of the drop step 2 along the width direction of the drop step 2, and the adjacent slow-energy steep slopes 3 on the step surface of the same drop step 2 are arranged in opposite inclination directions. Namely, two slow steep slopes 3 are arranged side by side at least along the width direction on the step surface of each drop step 2, and the same number of slow steep slopes 3 with opposite inclination angles are arranged at corresponding positions on the step surfaces of adjacent drop steps 2. When water flows through the step surface of the drop step 2, energy dissipation is performed through the slow energy steep slope 3 on the step surface of the drop step 2 which is the same as the step, and then the water flows fall to the step surface of the drop step 2 of the next step and perform energy dissipation again through the slow energy steep slope 3.
The inclination angle of the slow-energy steep slope 3 is 10-30 degrees, and the adjacent slow-energy steep slopes 3 on the step surface of the water drop step 2 at the same level are communicated through the through groove, so that the water flow is prevented from being accumulated on the slow-energy steep slope 3. The height of the water dropping step 2 is 0.3m-1.5m, the length of the water dropping step 2 is 0.3m-30m, and the actual height or length of the water dropping step 2 is correspondingly set according to the field requirement and is not limited to the range.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the embodiment is further optimized on the basis of the embodiment 1 or 2, and as shown in fig. 1 and 4, a plurality of protruding energy cutting bulges 4 are arranged on two opposite side surfaces inside the box culvert body 1 in an array along the water flow direction.
Cut can protruding 4 towards the inboard protrusion of box culvert body 1, cut can protruding 4 box culvert body 1's side and set up in succession or the interval sets up, rivers through box culvert body 1 when inside with cut can protruding 4 striking, realize the further energy dissipation to rivers.
Cut the inside top surface rounding off that can protruding 4 top pass through curved surface and box culvert body 1, cut the inside bottom surface rounding off that can protruding 4 bottom pass through curved surface and box culvert body 1, it is semicircle form or triangular prism form to cut protruding 4.
In order to avoid the energy cutting bulge 4 from obstructing the flow of water, the height of the energy cutting bulge 4 facing the interior of the box culvert body 1 is 3cm-15 cm.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
the embodiment is further optimized on the basis of any one of the above embodiments 1 to 3, as shown in fig. 1, 2 and 4, a groove 5 is formed in an open end face at one end of the box culvert body 1, a flange 6 inserted into the groove 5 is formed in an open end face at the other end of the box culvert body 1, a first connecting lug 01 is arranged on one side of the groove 5, and a second connecting lug 02 correspondingly connected with the first connecting lug 01 is arranged on one side of the flange 6.
The opening part at the both ends of box culvert body 1 is provided with recess 5 and flange 6 respectively, and is domatic longer at the massif, and when the length of the box culvert body 1 of single section was not enough to match the massif, the concatenation of the box culvert body 1 of multistage need be carried out promptly. Realize the quick concatenation of adjacent box culvert body 1 through inserting the flange 6 of one section box culvert body 1 one end in the recess 5 of another section box culvert body 1 one end. After the flange 6 is completely inserted into the groove 5, the connection between the end faces of the connecting ends of the two adjacent sections of box culvert bodies 1 is realized, meanwhile, the end faces of the first connecting lugs 01 are aligned to the end faces of the second connecting lugs 02, the connecting holes are correspondingly formed in the end faces of the first connecting lugs 01 and the end faces of the second connecting lugs 02, the end faces of the first connecting lugs 01 and the second connecting lugs 02 are connected and fastened by arranging connecting steel bars or connecting bolts in the connecting holes, and then the connection between the two adjacent sections of box culvert bodies 1 is realized.
For the convenience of hoisting, the length of the single-section box culvert body 1 is generally set to be 3m-6m, meanwhile, the length of the box culvert body 1 can be correspondingly set according to actual conditions aiming at different terrains, and the method is not limited to the length.
The tank bottom of recess 5 is provided with the pressurized inclined plane, the one end that flange 6 is close to recess 5 corresponds the pressurized inclined plane and is provided with the extrusion inclined plane, and the inclined direction on pressurized inclined plane and extrusion inclined plane is the same, and is provided with the rubber circle between pressurized inclined plane and the extrusion inclined plane. After the flange 6 is inserted into the groove 5, the extrusion inclined plane at the end of the flange 6 compresses the rubber ring, the extrusion inclined plane and the compression inclined plane are sealed through the rubber ring, the sealing of the joint of the flange 6 and the groove 5 is realized, and the overflow of water flow is avoided.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
Example 5
The embodiment is further optimized on the basis of any one of the above embodiments 1 to 4, as shown in fig. 1, the top of the box culvert body 1 is detachably provided with a top cover, the top of the box culvert body 1 is provided with connecting holes along the length direction, the bottom of the top cover is provided with connecting pins corresponding to the connecting holes at the top of the box culvert body 1, and meanwhile, a rubber sealing layer is arranged between the end surface at the top of the box culvert body 1 and the end surface at the bottom of the top cover.
Further, as shown in fig. 2 and 3, a plurality of clamping grooves are formed in the inner bottom surface of the box culvert body 1 along the length direction, clamping blocks inserted into the clamping grooves are arranged at the bottom of the drop ladder 2, and the drop ladder 2 can be detachably and conveniently mounted on the inner bottom surface of the box culvert body 1 through the clamping blocks and the clamping grooves in matched clamping, so that the drop ladder 2 can be conveniently and subsequently replaced.
Other parts of this embodiment are the same as any of embodiments 1 to 4, and thus are not described again.
Example 6
The embodiment is further optimized on the basis of any one of the embodiments 1 to 5, the box culvert body 1 is formed by pouring a C35-C45 reinforced concrete structure, settlement joints are arranged at intervals of 9m along the water flow direction of the box culvert body 1, and rubber is arranged in the settlement joints for sealing and stopping water. The table backs on the two sides of the box culvert body 1 are backfilled by sand, the backfilling compactness is not less than 0.96, and the thickness of the top earthing soil of the box culvert body 1 is 1-17 m.
The top basis of box culvert body 1 should set up geogrid and must not adopt to strike when backfilling, and when the port of box culvert body 1 passed the sheet pile wall, the side thickness of box culvert body 1 increased to 75cm, and the arrangement of reinforcement was unchangeable and the pile body between reserve 2cm movement joints, set up the pitch plank in the movement joint and carry out the caulking.
Other parts of this embodiment are the same as any of embodiments 1 to 5, and thus are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a multistage drop box culvert that antiskid is moved, includes hollow box culvert body (1), its characterized in that, the outer top and the outer bottom of box culvert body (1) all are the echelonment, be provided with a plurality of drop ladders (2) along the rivers direction on the inside bottom surface of box culvert body (1), be provided with slow energy abrupt slope (3) of slope on the step face of drop ladder (2).
2. The multistage drop culvert that antiskid moved according to claim 1, characterized in that, the corresponding position along the rivers direction on the step face of adjacent drop ladder (2) is provided with the abrupt slope of slow energy (3) that the direction of slope is opposite.
3. The multistage drop culvert capable of preventing slippage according to claim 2, wherein at least two slow energy steep slopes (3) are linearly arranged on the step surface of the drop step (2) along the width direction of the drop step (2), and the inclination directions of adjacent slow energy steep slopes (3) on the step surface of the same drop step (2) are opposite.
4. The multistage drop culvert that prevents slipping of any one of claims 1-3, characterized in that the inside of the culvert body (1) is provided with a plurality of protruding energy cutting bulges (4) on both opposite sides along the water flow direction array.
5. The anti-slip multistage drop culvert according to claim 4, wherein the top of the energy cutting bulge (4) is in smooth transition with the top surface of the interior of the culvert body (1) through a curved surface, and the bottom of the energy cutting bulge (4) is in smooth transition with the bottom surface of the interior of the culvert body (1) through a curved surface.
6. The multistage drop culvert that prevents slipping of claim 5, characterized in that the said can-cutting protrusion (4) is semicircular or triangular prism shaped.
7. The multistage drop culvert that antiskid moved of any one of claims 1-3, characterized in that, be provided with recess (5) on the one end opening terminal surface of box culvert body (1), be provided with flange (6) with recess (5) grafting on the other end opening terminal surface of box culvert body (1), one side of recess (5) is provided with first engaging lug (01), one side of flange (6) is provided with second engaging lug (02) of being connected with first engaging lug (01) correspondence.
8. The multistage drop culvert capable of preventing slippage according to claim 7, wherein a pressure inclined surface is arranged at the bottom of the groove (5), a pressing inclined surface is arranged at one end, close to the groove (5), of the flange (6), corresponding to the pressure inclined surface, and a rubber ring is arranged between the pressure inclined surface and the pressing inclined surface.
9. An anti-slip multistage drop culvert according to any one of claims 1-3, characterized in that the inclination angle of the slow-energy steep slope (3) is 10 ° -30 °; the height of the water dropping ladder (2) is 0.3m-1.5m, and the length of the water dropping ladder (2) is 0.3m-30 m.
10. The multistage drop culvert that prevents slipping according to any one of claims 1-3, characterized in that a plurality of drop ladders (2) are arranged on the internal top surface of the culvert body (1) along the water flow direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010261195.0A CN111379228A (en) | 2020-04-03 | 2020-04-03 | Multistage drop box culvert that antiskid was moved |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010261195.0A CN111379228A (en) | 2020-04-03 | 2020-04-03 | Multistage drop box culvert that antiskid was moved |
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| CN111379228A true CN111379228A (en) | 2020-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827154A (en) * | 2020-08-06 | 2020-10-27 | 中国建筑一局(集团)有限公司 | High-soil-covering waste slag yard slab culvert structure and construction method thereof |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827154A (en) * | 2020-08-06 | 2020-10-27 | 中国建筑一局(集团)有限公司 | High-soil-covering waste slag yard slab culvert structure and construction method thereof |
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