20results about How to "Prevent landslides" patented technology

The application discloses a support assembly, a pavement assembly, a base station and a cleaning system. The support assembly of the application is arranged on a pavement or a position close to the pavement, and comprises a moving mechanism and a support mechanism. The support mechanism is movable between a first position and a second position and is movable from the first position to the second position under the driving of the moving mechanism. The support mechanism is movable between the first position and the second position, so that, after the support assembly is arranged, when a device such as a movable device passes through the pavement, the support mechanism can be brought into abutment with a walking wheel of the movable device to limit the movement of the movable device and reduce the risk of landslide of the movable device. In the case that the movable device walks on the pavement assembly, the support mechanism can avoid the movable device, so that the walking of the movable device is more smooth.

This invention belongs to the field of foundation filling, specifically an auxiliary device and its operating method for vibratory compaction of crushed stone piles. It includes a vehicle body, a fixed frame fixedly connected to one side of the vehicle body, a first motor fixedly connected to the bottom of the fixed frame, and an output end of the first motor extending into the interior of the fixed frame and fixedly connected to a lead screw. The lead screw is rotatably connected to the fixed frame, and a connecting block is connected to the outer wall of the lead screw via a lead screw nut pair. The connecting block is slidably connected to the fixed frame. This invention provides an auxiliary device and its operating method for vibratory compaction of crushed stone piles. The first motor controls the sleeve to intermittently compress downwards, which, in conjunction with the bottom of the partition, compacts the crushed stone entering the vibratory compaction hole. A compression ring further encloses the crushed stone entering the vibratory compaction hole. As the sleeve moves downwards, the concave surface formed by the discharge chute and the partition allows the crushed stone to concentrate inwards and accumulate upwards in a pagoda-like shape, preventing excessive compression of the hole wall and thus avoiding collapse of the hole wall.

The utility model provides a municipal works river channel revetment quick reinforcement's anchoring device relates to hydraulic engineering technical field, including shell, positioning disc, internal thread pipe, the inside of shell is equipped with round hole, and is equipped with annular recess in the lower end outside of shell, the lower end inboard of shell is equipped with sealing ring A, positioning disc is placed in the lower end outside of shell, and positioning disc is installed in the lower end outside annular recess of shell, and is equipped with antiskid stripe in the downside of positioning disc, the outside of positioning disc is equipped with three groups of square groove, is fixedly connected with one group of auxiliary rod through the outside lower end of three groups of movable pieces, increases the contact area and friction force of anchoring device and revetment soil body, provides additional lateral support, helps to improve the overall stability of revetment, prevents revetment soil body from happening lateral displacement or landslide, solved the problem that the existing traditional river channel revetment anchoring structure is insufficient in lateral support in the process.

This invention discloses a deep foundation pit support structure on a slope, comprising: a vertically arranged transverse cast-in-place pile group; longitudinal cast-in-place pile groups at both ends of the transverse cast-in-place pile group near the bottom of the slope; two longitudinal cast-in-place pile groups perpendicular to the sides of the transverse cast-in-place pile group; both the transverse and longitudinal cast-in-place pile groups consist of several vertically arranged cast-in-place piles; the tops of the transverse cast-in-place pile group and the two longitudinal cast-in-place pile groups are connected to each other by a capping beam; the capping beam has a bracing at one end of its two opposite short sides and the end furthest from its long side; corner braces are provided between the two short sides and the long side of the capping beam; one end of each corner brace is connected to the middle of the short side of the capping beam, and the other end is connected to the long side of the capping beam; the end faces of the two short sides of the capping beam are connected to one end of an end support through a head plate; the other end of the end support cooperates with a support seat set in the slope; the end support has a set inclination angle; and oblique end supports are provided on the capping beam to transmit eccentric loads and maintain the external stability of the foundation pit.

The application discloses a kind of side slope anti-skid device and use method, including connecting device, the inside of the connecting device is provided with wetting device, the outside of the wetting device is provided with covering device, the bottom of the covering device is provided with buffer device, the connecting device includes slope body, the outer surface of the slope body is fixedly connected with baffle, the application relates to the technical field of protection, the application is wetted by being provided with wetting device, when equipment is used, slope body is equivalent to side slope, rubber cylinder is inserted in the inside of slope body, water pipe is injected into the inside of rubber cylinder by connecting pipe, finally, liquid water is discharged from through hole, by injecting a small amount of water into the inside of slope body, the moisture content of soil and gravel is controlled, the soil consistency is improved, while meeting the water requirement of vegetation on side slope, soil and gravel can also be prevented from loosening due to excessive dryness, to avoid landslide.

The application relates to the field of road engineering quality detection, in particular to a high embankment slope structure and a deformation monitoring device thereof, which comprises an embankment slope main body and an embankment solidification structure arranged on the embankment slope main body, the embankment solidification structure comprises a transverse support structure and a vertical support structure which cooperate with each other, the transverse support structure comprises a bottom transverse protection net and a top transverse protection net, the bottom transverse protection net is composed of a plurality of transverse telescopic support rods and a bottom plate support seat, each transverse telescopic support rod is perpendicular to the bottom plate support seat, each transverse telescopic support rod is movably connected with the bottom plate support seat, and the bottom plate support seat is fixedly arranged at the outer side edge of the embankment slope main body, so that the technical problem that the existing embankment slope is prone to landslides due to climate changes such as rain and causes road collapse or deformation and no timely monitoring alarm is solved.

The application discloses a deep-buried tunnel underground water seepage safety control system and method, and relates to the technical field of tunnel construction safety control. The system comprises a drainage and injection integrated pipe, a water collecting and purifying system and a water injection and pressurizing system. The drainage and injection integrated pipe comprises a water injection pipe and multiple main body pipes. A first main body pipe penetrates a reinforced ring layer of a tunnel and communicates with surrounding rock outside the reinforced ring layer. One end of the first main body pipe close to the surrounding rock is a first section concentric flower pipe. One end of the first main body pipe close to the tunnel center is a solid pipe. The first main body pipe and a second main body pipe are water-stopping sealed through a first flange and a water-stopping structure. The water injection pipe at least penetrates the first main body pipe and the first flange. A last main body pipe with a top end away from the reinforced ring layer is a second section concentric flower pipe. The end of the first main body pipe communicates with the water collecting and purifying system. The end of the water injection pipe communicates with the water injection and pressurizing system. The water collecting and purifying system communicates with the water injection and pressurizing system.

The invention discloses an attached supporting type water operation platform for construction of a bridge widening pile foundation in a river channel and a construction method of the bridge widening pile foundation in the river channel. Vertically driving four steel pipe piles which are distributed in a rectangle and constructed in a stable soil layer at the bottom of the river channel into a planned bridge widening pile foundation area covering the river channel; the platform frame comprises longitudinal beams and two cross beams, the longitudinal beams are installed on two steel pipe piles parallel to the bridge direction in the same straight line direction in a hoisting mode, the two cross beams are installed on the longitudinal beams in a hoisting mode in the transverse bridge direction, one end of each cross beam is anchored to a bridge floor steel bar of an original bridge, and the other end of each cross beam is overhung to the position outside a bridge splicing widening pile foundation area; the platform plate is laid on the platform frame; and the guardrail is vertically constructed on the periphery of the platform frame. The method has the advantages of being low in cost, short in construction period, energy-saving and environment-friendly.

The utility model discloses a based on corrugated pipe's side slope retaining wall, including wall board, front extension board, back support board, anchor block and corrugated pipe, wall board is provided with a plurality of front and rear through drainage hole, front extension board sets up in the front wall of wall board, and sets up close to the bottom of wall board, back support board sets up in the back wall of wall board, and sets up close to the bottom of wall board, anchor block sets up in the bottom surface of wall board, is used for anchoring in ground, corrugated pipe has a plurality of, a plurality of corrugated pipe sets up along the width direction of wall board, and is close to the front wall of wall board and sets up, and the bottom end of corrugated pipe is flush with the bottom end of anchor block through front extension board, and the top end of corrugated pipe is flush with the top end of wall board. This based on corrugated pipe's side slope retaining wall is more efficient and cooperatively solves the drainage problem, significantly reduces the hydrostatic pressure harm, and enhances the interaction force between retaining wall and soil through structural design, improves overall stability and anti -deformation ability, effectively disperses soil stress.

The invention relates to an installation construction method for a fan installation ship and the fan installation ship. The theoretical leg insertion range is determined according to geological data, and all the pile legs are lowered to the seabed surface and then sink by means of self weight, so that the pile legs are preliminarily in place. The pile is actively pressed for the first time, and pressure is maintained after staged loading of the pile leg, so that soil around the pile leg restores a stable state, and the settling stability of the pile leg is improved. After the platform of the fan installation ship is lifted, the weight of the fan installation ship is basically borne by the pile legs, at the moment, secondary active pile pressing enables the pile legs to be further compacted and pierce into a hard layer, and the bearing capacity is improved. Active pile pressing for the second time is achieved through staged loading of diagonal pile legs, it is guaranteed that the ship body is stressed symmetrically, and meanwhile stable transition from a soft layer to a hard layer can be dealt with; and the pressure is maintained until no further settlement exists, so that the pile leg insertion depth meets the theoretical leg insertion range. According to the method, through theoretical leg insertion range pre-judgment and two different graded loading and pressure maintaining stability, the method adapts to complex seabed geology, and the installation positioning construction reliability of the fan installation ship is improved.

The application relates to a roadbed reinforcing structure for municipal roads, which comprises a geogrid for laying on the surface of the roadbed, the geogrid is provided with a gap slot arranged in sequence and at intervals; and a blocking seat arranged on one side of the geogrid, the side of the blocking seat away from the geogrid is provided with a lifting plate arranged in the lifting direction of the lifting plate, the blocking seat is screw-connected with an adjusting rod arranged along the lifting direction of the lifting plate, and the adjusting rod is used for driving the lifting plate to lift; the blocking seat is provided with a slot for the geogrid to pass through, the lifting plate is provided with a plurality of plug-in columns arranged in sequence and at intervals, and the plug-in columns are used for respectively penetrating into the corresponding gap slots. The application has the effects of reducing the additional workload during the laying of the geogrid, improving the laying efficiency of the geogrid, and ensuring the stability of the geogrid.

This invention relates to the field of building construction technology, specifically to a multi-pit foundation segmented demolition support device. It includes a top support assembly detachably connected to a base plate, and a grouting assembly within the top support assembly. The top support assembly includes a main cylinder, a secondary cylinder, and an oil cylinder. A piston is slidably connected within the main cylinder, and a push rod is fixedly connected to the piston. A differential pressure check valve is fixedly connected at the connection between the main cylinder and the secondary cylinder, and an overflow valve is fixedly connected at the connection between the main cylinder and the oil cylinder. The grouting assembly includes a grouting pipe and a grout cylinder. An air storage cylinder is slidably connected to the main cylinder, and the air storage cylinder is slidably connected to the grout cylinder. The grout cylinder is connected to the grouting pipe, and the grouting pipe penetrates the base plate. The grout cylinder and the air storage cylinder are elastically slidably connected. The push rod passes sequentially through the air storage cylinder and the grout cylinder. The grout cylinder is connected to the grouting pipe via a high-pressure check valve. The push rod is physically locked by the differential pressure check valve between the main cylinder and the secondary cylinder to prevent detachment and failure. Through the grout cylinder and the air storage cylinder, an automatic grouting reinforcement response is achieved when the wall deforms, avoiding excessive support force overall.

This invention discloses a borehole directional grouting method and a method for advanced grouting excavation of small-section tunnels, as well as an advanced support structure for small-section tunnels, relating to the field of tunnel engineering. It solves the problem that existing directional grouting schemes cannot effectively control the direction of grout diffusion. The technical solution adopted in this invention is as follows: In the borehole directional grouting method, after drilling is completed, a partition plate with a small guide tube fixed to its surface is inserted into the borehole. The partition plate divides the area between the outer wall of the small guide tube and the borehole wall into a first grouting zone and a second grouting zone. Mortar is injected into the first grouting zone of the borehole to seal and control the pores and fissures of the soil and rock mass on the grouting side. Grout is then injected into the second grouting zone through the small guide tube to achieve directional grouting. The method for advanced grouting excavation of small-section tunnels adopts the above-mentioned borehole directional grouting method. This invention is used for directional grouting of boreholes and advanced grouting excavation of small-section tunnels.

This utility model discloses an eco-friendly water conservancy slope protection system, relating to the field of water conservancy engineering technology. It includes a slope protection base and a slope protection brick covering area on its slope, with a protective retaining wall installed below the slope of the slope protection base. Points are evenly selected within the slope protection brick covering area, and positioning components are installed within the slope protection bricks at those points. This utility model prevents landslides after the soil softens by pouring an anti-slip retaining wall below the slope of the slope protection base. Simultaneously, the slope protection bricks form an integral structure through self-locking connections, further improving anti-slip capabilities. The positioning components are used to anchor the slope protection bricks at selected points within the slope protection brick covering area, preventing lateral displacement due to soil erosion under water flow. Furthermore, the inclined drainage design with main and tributary channels within the slope protection bricks allows for rapid drainage of rainwater, preventing root rot in plants and reducing pore water pressure within the slope. Combined with the use of protective netting, large particles of sediment are not carried away by the water flow, significantly reducing the rate of soil erosion.

This invention discloses a construction method for a deep foundation pit support structure with groundwater. The structure includes a diaphragm wall installed inside the foundation pit, a concrete bottom slab installed at the bottom of the pit, and compartment walls. Shear grooves are provided in both the diaphragm wall and the compartment walls, and the ends of the concrete bottom slab are connected to the shear grooves. Multiple transverse support beams are installed on the diaphragm wall. Rectangular pre-installed components are embedded within the shear grooves. Each rectangular pre-installed component includes a waterproof layer and compressed soil bricks installed inside the waterproof layer. When the waterproof layer is damaged, the compressed soil bricks expand and diffuse outwards upon contact with water. The method includes constructing the diaphragm wall, constructing the transverse support beams, underwater construction, underwater concrete bottom sealing, structural construction, and backfilling. This structure has good stability and safety, reduces the need for underwater operations, lowers construction costs, enhances the safety of the construction process, shortens the construction cycle, and saves manpower and resources.

The utility model provides a parking lot ramp anti-slip car stop which comprises a movable supporting pipe, a grab handle section, an extension section, a stop block main body structure, a fluorescent sticker, an anti-slip rubber sleeve, a fixed hanging ring, a connecting supporting plate, a movable rolling wheel, a warning lamp bead and a connecting disc, and the grab handle section is integrally arranged on the upper portion of the movable supporting pipe; the extension section is integrally arranged on the lower portion of the movable supporting pipe. And the stop block main body structure is in screw connection with the right side of the connecting disc. The anti-skid rubber sleeve is held by a hand to move the car stop under the action of the moving rollers, and the stop block body extends into the lower side of the rear part of a tire to be clamped; people are prevented from bending down to place, so that the safety and the convenience are improved; the control switch can be turned on during use at night, the warning lamp bead is started to play a role in lighting and warning, and searching is facilitated; the anti-pressure performance is good, and the landslide phenomenon can be prevented when the automobile is parked.

The invention relates to the technical field of vertical detection equipment for water conservancy project monitoring, in particular to vertical detection equipment for water conservancy project monitoring. The vertical detection equipment comprises a base, first connecting plates are arranged on the two sides of the base, supporting columns are arranged at the tops of the first connecting plates, telescopic columns are inserted into the supporting columns, and protective rings are connected to the tops of the telescopic columns in a bearing mode; a rubber ring is arranged around the outer side of the protective ring; the interior of the inserting block is hollow, second springs are arranged on the two sides of the inner side of the inserting block, the inner sides of the two groups of inserting blocks are connected through the second springs, and pressing heads are arranged on the outer sides of the two groups of inserting blocks and connected to the outer side of the inserting block in a wiping mode; the vertical detection equipment has the beneficial effects that when the vertical detection equipment for monitoring the water conservancy project is used for carrying out vertical detection on the water conservancy project, the tripod is firstly fixed at a detection point, then the total station body is placed on the base which is connected with the top of the tripod, and the total station body begins to carry out vertical detection on the water conservancy project.

The utility model discloses a kind of shiplock overflow open channel thin-wall concrete slope protection structures, belong to shiplock overflow engineering technical field, including open channel flow channel, concrete wall cofferdam slope body;Slope protection component includes concrete lower protection slope, sandstone slope body, concrete filling pouring layer, water-permeable crushed stone cushion layer and water-permeable concrete trowelling layer;Slope anti-skid anti-falling piece includes slope reinforcement net and concrete slope board fixed in two concrete wall cofferdam slope body opposite sides in turn, the bottom end of two concrete slope board is fixed with anti-skid blocking section steel, anti-skid blocking section steel supports and blocks concrete slope board from sliding down;Two concrete wall cofferdam slope body opposite sides are all longitudinally constructed with slope support pile, and each slope support pile is connected by triangle support pull rod group and adjacent slope protection component fastening pull hold. The utility model improves the anti-slippage performance of slope protection structure, and guarantees the safety in the process of structure operation.

The utility model provides a unilateral supporting device suitable for excavation of a municipal drainage pipeline groove, a supported groove is provided with an existing pipeline adjacent to a newly-built pipeline, the unilateral supporting device comprises a plurality of fixing piles, a supporting plate, surrounding purlins, diagonal bracings and a plurality of base plates, the fixing piles are inserted into the side, where the existing pipeline is arranged, of the groove side by side, and the supporting plate is arranged on the supporting plate. The enclosing purlin is fixed on the fixing piles and is perpendicular to the fixing piles, the supporting plate is arranged between the fixing piles and the groove and used for enclosing the retaining wall, the base plates are fixedly padded at the bottom of the groove at intervals, the diagonal braces are fixedly supported between the base plates and the enclosing purlin, and the newly-built pipeline is laid at the bottom of the groove and located below the diagonal braces. The structure can stably support a soil body on the side wall of the groove on the premise of not influencing the existing pipeline, collapse is prevented, and the safety of constructors is guaranteed; the arrangement of the base plates and the diagonal bracings provides a stable foundation and space for laying of newly-built pipelines, construction operation is convenient, the construction efficiency is improved, and the construction cost is reduced.

The utility model discloses a water conservancy project slope protection structure with a diversion function, which comprises a collecting concrete plate, a slope arranged on the collecting concrete plate, an ecological slope protection net connected to the upper side of the slope and a connecting panel correspondingly connected to the rear side of the ecological slope protection net, the outer side of the connecting panel is vertically connected with a bearing connecting plate, the upper side of the bearing connecting plate is provided with a connecting assembly capable of being quickly disassembled, the connecting assembly is connected with the ecological slope protection net through a connecting rod in the connecting assembly, and the connecting assembly comprises a connecting mounting plate arranged on the bearing connecting plate. According to the slope protection structure with the flow dividing function for the water conservancy project, the adjacent slope protection nets are spliced, so that adjustment can be conducted according to the slope protection area, meanwhile, the single slope protection net can be replaced according to requirements, blockage and influence on the ecological environment are prevented, and the flow dividing effect is achieved through arrangement of the second flow guide plate and the first flow guide plate.