31results about How to "Limit lateral deformation" patented technology

The invention discloses a building waste-doped geogrid cell reinforced sand blanket and a construction method. The geogrid cell reinforced sand blanket mainly consists of a plurality of building waste layers and reinforced structure layers which are crossly arranged in a ground foundation from bottom to top; each building waste layer is formed by compacting and paving the crushed waste concrete; each reinforced structure layer is a geogrid cell; the bottom part of each geogrid cell is partially crossed with the building waste layer thereunder, sand is charged to the middle part and upper part of each geogrid cell, and a sand layer is formed above each geogrid cell; another building waste layer is arranged on each sand layer. The geogrid cell reinforced sand blanket has the advantages that the main body materials are building wastes and geogrid cells, so that the problem of building waste filling is solved, the resource is saved, and the manufacturing cost of project is reduced; the building waste is compacted, and a tight engaged skeleton is formed and is combined with the three-dimensional geogrid cells, so that the bearing capacity of the ground foundation is improved, and the damage due to overlarge deformation of the ground foundation is overcome.

The invention discloses a deicing tool for electric equipment. The deicing tool for electric equipment solves the problem that the hand numb of operators is caused by the transmission of vibration between a hammer body and a hammer handle. According to the technical scheme for solving the problem, the deicing tool mainly comprises a hammer body and a hammer handle, the hammer handle comprises a telescopic rod, the telescopic rod comprises an inner rod and an outer rod sleeved on the outer side of the inner rod, an anti-skid holding surface is arranged on the outer side surface of the outer rod, a connector is arranged at the end, close to the hammer body, of the inner rod, a threaded column is arranged at the top end of the connector, a connecting cylinder for extending the connector is arranged on the hammer body, a threaded hole is formed in the bottom wall of the connecting cylinder, the connector and the hammer body are detachably connected with the threaded hole through the threaded column, the connector is sleeved with a spring and is elastically connected with the connecting cylinder through the spring, the spring is of a drum-shaped structure, the minimum distance L betweenthe spring and the side wall of the inner cylinder of the connecting cylinder is 2-5 mm. The deicing tool is suitable for mild knocking and deicing of valuable electric equipment, and the operation comfort degree of operators is high.

The invention relates to a composite sandwich crash barrier member on a road, in particular to a novel composite sandwich crash barrier on the road. A plurality of crash bar units are connected through connectors, and each crash bar unit comprises an outer casing, an inner casing and a filling material body located in the inner casing. Metal ribs are arranged on the outer wall of the inner casing and rapidly transmit part of automobile impact loads from the outer casing to the inner casing, so that the inner casing and the outer casing share the load together, and the impact load on an automobile is effectively dispersed; the connectors comprise gear connecting and fastening elements and curved-surface cover plates, and the gear connecting and fastening elements and the curved-surface cover plates are made of composites or metal materials. The composite sandwich crash barrier can achieve multifunctional safety fortification, solves problems of traditional barrier fortification, and has the characteristics of corrosion resistance, ageing resistance, low weight, high strength, easiness of maintenance, speediness and convenience for construction, easiness of repair after damage and the like.

The invention relates to a prefabricated high-pressure airbag isolation pile structure with a grouting function and a construction method. The structure comprises a prefabricated high-pressure airbagpile body, an automatic adjusting system and a grouting system. The structure has the following beneficial effects: the prefabricated high-pressure airbag isolation pile is adopted to replace a traditional isolation pile; a high-pressure airbag is distributed in soil near the bottom of a foundation pit by a certain depth range, high-pressure gas is injected in the high-pressure airbag to form expansion pressure to change a peripheral stress field to cut off a stress transfer path, so that the horizontal traction effect of the rigid isolation pile is eliminated, and the displacement deformationgenerated by self deformation of the traditional isolation pile is made up; and the inflation expansion of the prefabricated high-pressure airbag is used for assisting the prefabricated pile to resist the deformation of the soil to realize real-time adjustment of the displacement of deep soil, so that the effect is better compared with the traditional isolation pile, the displacement deformationof the traditional isolation pile due to insufficient rigidity is made up, and the displacement of the deep soil on the outer side of an active area is reduced.

The invention provides an industrially-manufactured dam component and a method for quickly building dams, and belongs to the technology of dam building. The method comprises the steps that a foundation is quickly processed by the means of a plastic water drainage plate, geofabric, a sand cushion laye, a vacuum pumping combined pre-pressing means and the like; the mode that vacuum pumping is conducted under a sealing film is used, a secondary sand cushion layer is poured on a covered thin film, and an earthwork is input on a prefabricated part; combined prepressing of the water level, sand cushion layer earthwork heaping and vacuum pumping is formed; the method that a prefabricated dam component is built on a processed embankment foundation, the prefabricated dam component and the processed embankment foundation are connected with each other to form a dam framework, and a light cushion layer is laid is used. The stress balance of the dam is adjusted, and differential settlement and landslide are avoided. The problems of foundation strength and earthwork heaping are fundamentally solved, and mechanical and mass construction is facilitated. The advantages of saving cost due to the fact that stones are replaced by earth, increasing the construction speed, being stable and reliable and the like are achieved.

The invention relates to a pad (100, 300) for a bandage (101) or orthosis; said pad (100) has a front surface (1) and a rear surface (2); at least a subarea of the rear surface (2) has connection pieces (20, 21, 22, 23, 30, 31, 32, 33) which form a mesh structure with interstices (25, 35).

The invention discloses a reverse-bag type building slag geobag retaining wall, a construction method and application and aims at solving the problems that in the construction process of a reinforcedretaining wall, the geobag retaining wall can achieve a certain reinforcing effect, but geobags are independent bodies and lack connectivity, and integrality is poor in engineering application. A retaining wall assembly is formed by sequentially connecting a reinforced section, a reverse bag section and a fixed section. The reverse-bag type building slag geobag retaining wall comprises a bottom layer and a protection unit arranged on the bottom layer. The protection unit is composed of N retaining wall assemblies, and N is larger than or equal to 1. Geobags, a geogrid and building slag are combined, the reverse-bag type building slag geobag retaining wall structure is provided, a slope reinforcement effect of the reverse-bag type building slag geobag retaining wall is explored, thus the building slag is recycled, bearing capacity and integrality of the retaining wall are improved, and a basis is provided for application of the reverse-bag type building slag geobag retaining wall in practical engineering.

The invention discloses a composite substrate for manufacturing an acoustic wave resonator, a surface acoustic wave resonator and a manufacturing method, and the manufacturing method of the composite substrate comprises the steps: providing a substrate which comprises a first surface and a second surface which are opposite to each other; forming a first groove which is recessed towards the second surface on the first surface; and providing a piezoelectric plate, wherein the piezoelectric plate is matched with the first groove in shape, and the bottom face of the first groove is combined with the piezoelectric plate in a bonding mode. The composite substrate comprises a substrate, wherein the first substrate comprises a first surface and a second surface which are opposite; the first surface is provided with a first groove which is recessed towards the second surface; a piezoelectric plate is embedded in the first groove, and the top surface of the piezoelectric plate is higher than the first surface or is flush with the first surface.

The invention discloses a deep anchor pull pile supporting system. The deep anchor pull pile supporting system comprises anchor rope piles and anchor piles arranged on the sides, away from a foundation pit, of the anchor rope piles, first anchor ropes A and second anchor ropes A are arranged between the anchor rope piles and the anchor piles; an inner row anchor rope surrounding purlin A is arranged on the inner sides of the anchor rope piles; an outer row anchor rope surrounding purlin is arranged on the outer sides of the tops of the anchor piles; one end of each first anchor rope A penetrates through the corresponding anchor rope pile and then is connected to the inner row anchor rope surrounding purlin A, and the other end of each first anchor rope A extends upwards in the inclined direction, penetrates through the corresponding anchor pile and then is connected to the outer row anchor rope surrounding purlin; and one end of each second anchor rope A penetrates through the corresponding anchor rope pile and then is connected to the inner row anchor rope surrounding purlin A, and the other end of each second anchor rope A extends downwards in the inclined direction and is connected to the corresponding anchor pile. The invention further discloses a construction method of the deep anchor pull pile supporting system. The deep anchor pull pile supporting system and the construction method thereof can be carried out within a limited construction range and can improve construction efficiency.

The invention discloses a composite spiral stirrup confined concrete shear wall structure and a construction method thereof. The composite spiral stirrup confined concrete shear wall structure comprises continuous composite spiral stirrups, wherein continuous composite spiral horizontal distribution bars are evenly distributed in concrete; on the same horizontal plane, the adjacent continuous composite spiral horizontal distribution bars are fixedly connected together; the continuous composite spiral stirrups are symmetrically arranged at the positions of confined edge components at the two ends of the concrete; and longitudinal bars are evenly arranged in the overlapping areas of the continuous composite spiral stirrups and the continuous composite spiral horizontal distribution bars, and vertical distribution bars are evenly arranged in the continuous composite spiral horizontal distribution bars. According to the composite spiral stirrup confined concrete shear wall structure and the construction method thereof, the continuous composite spiral stirrups are arranged on the edge of a wall, core concrete can be effectively confined, the effective confined area of the concrete is increased, and the compressive strength and the ultimate compressive strain of the concrete are improved; and a stable steel reinforcement framework is formed by the continuous composite spiral horizontal distribution bars and the vertical distribution bars, the overall stability of the wall is enhanced, transverse deformation of the wall concrete is confined, and the anti-seismic property of the wall is improved.

The invention relates to a profile steel-concrete combined L-shaped column with internal FRP ribs. The profile steel-concrete combined L-shaped column with the internal FRP ribs comprises an L-shapedconcrete column body, the corner portion of the concrete column body serves as a core area, and a round steel pipe is vertically arranged in the core area; T-shaped profile steel is vertically arranged in two column limbs of the concrete column body separately, and the flanges of the T-shaped profile steel are both located on the outer portions of the column limbs; and first longitudinally-stressed FRP ribs are arranged on the outer sides of the flanges of the T-shaped profile steel in the concrete column body, second longitudinally-stressed FRP ribs are arranged on the four outer side cornersof the round steel pipe in the concrete column body, and the first longitudinally-stressed FRP ribs and the second longitudinally-stressed FRP ribs are bound and connected through stirrups separately. The profile steel-concrete combined L-shaped column with the internal FRP ribs is simple in structure.