53results about How to "Improve skid stability" patented technology

The invention relates to a reinforced core-enveloped structural slope protector, which mainly comprises a unidirectional geotechnological grid, fillings, an anti-aging plant-growing geotextile bag and connecting pieces. The slope protector is made from the fillings reinforced with the unidirectional geotechnological grid. The structural slope protector can obtain the raw materials from local resources and can be constructed with the earth material on the construction site, thus significantly saving energy; the reinforced materials of the structural slope protector has good durability; the structural slope protector also has the advantages of convenient construction, lower construction cost and the like.

The invention belongs to the field of asphalt concrete pavements and relates to a composite asphalt cooling pavement top layer and a construction method thereof. The construction method comprises following steps: S1, a thermal-resistant asphalt mixture is spread on the top layer of a pavement and then rolled; S2, after the thermal-resistant asphalt mixture rolled in S1 is cured, the upper surface of the thermal-resistant asphalt mixture is coated with a coating; S3, after the thermal-resistant asphalt mixture and the coating are cured, the composite asphalt cooling pavement top layer is formed. Pavement ruts, the urban heat island effect and permafrost subgrade defects can be overcome.

The invention relates to a force eliminating drainage facility. The force eliminating drainage facility is characterized by comprising a force eliminating drainage pool and further comprising a front tooth trough, a rear tooth trough, water blocking ridges, sand flushing drainage pipes and force eliminating piers, all of which are arranged in the force eliminating drainage pool; the front tooth trough is formed in the front portion of the force eliminating drainage pool, the water blocking ridges and the sand flushing drainage holes are formed in the rear portion of the force eliminating drainage pool, and the force eliminating piers are arranged in the middle of the force eliminating drainage pool; and the front end of the force eliminating drainage pool is connected with a diversion canal, and the rear end of the force eliminating drainage pool is connected with an overflow canal. The force eliminating piers are arranged in the pool in a quincunx manner, the water blocking ridges and the sand flushing drainage holes are formed in the tail end of the pool, the requirements of energy dissipation and drainage under different flows can be met, and deposition in the pool is prevented. The lower portion of the overflow canal is backfilled through rock blocks, and the anti-scrubbing capability and stability are improved. The force eliminating drainage facility is simple in structure, good in stability, convenient to construct and good in effect, and the canals and the pool are combined.

The invention discloses a scour-preventing groove for a chain precast block protective surface. The scour-preventing groove for the chain precast block protective surface comprises the chain precast block protective surface, a riprap layer and an apron groove bottom extension section. The apron groove bottom extension section is located on the bottom layer. The apron groove bottom extension section and a riverbed surface connected with the apron groove bottom extension section are filled with the riprap layer. The chain precast block protective surface is arranged on the riprap layer and comprises precast blocks, chain ropes, anchoring piers, anchoring beams and anchoring heads. The precast blocks include the A type precast blocks and the B type precast blocks. Through chain holes are only formed in the centers, in the water flowing direction, of the B type precast blocks. Through chain holes are formed both in the centers, in the water flowing direction and the centers, in the direction perpendicular to the water flowing direction, of the A type precast blocks. The chain ropes penetrate into the chain holes to be connected with the precast holes in series. One upstream end of each chain rope arranged in the water flowing direction is anchored in the corresponding anchoring pier, and one downstream end of each chain rope arranged in the water flowing direction is anchored in the corresponding anchoring beam. The two ends of each chain rope arranged in the direction perpendicular to the water flowing direction are anchored in the corresponding anchoring heads. The scour-preventing groove for the chain precast block protective surface is high in deformation adaptability, high in water permeability, high in roughness, environmentally friendly, economical, high in durability and wide in application range.

The invention belongs to the field of dam foundation reinforcement, in particular to a dam foundation reinforcement frame structure and a dam foundation reinforcement method. The dam foundation reinforcement frame structure comprises a plurality of piles, the main body of every pile is arranged in the soft foundation of the base foundation, the bottom of every pile extends to the boundary between the bedrock and the base foundation, the top of every pile is above the ground line, the portion of every pile, which is above the ground line, is a removable laitance portion, at least a reinforcement member is arranged in every pile, the lower portion of every reinforcement member exceeds the boundary between the bedrock and the base foundation, the top of every reinforcement member is above the ground line, and concrete lattice girders are fixedly connected through the removable laitance portions and the reinforcement members. The dam foundation reinforcement method is that a steel tube is inserted into a high pressure jet grouting pile through the vibroflotation, extended into the bedrock and forms the frame structure with the dam slope lattice girders. The dam foundation reinforcement method and the dam foundation reinforcement frame structure are applicable to soft dam foundation and can significantly improve the overall strength and the skid resistance of the dam foundation.

The invention relates to the technical field of printing paint, and particularly discloses high-skid-resistance water-based gloss oil. Every 100 parts by weight of the high-skid-resistance water-based gloss oil is prepared from the following components in parts by weight: 50 to 80 parts of modified pure acrylic emulsion, 5 to 20 parts of water-based alkyd modified dispersion resin, 5 to 10 parts of water-based wax emulsion, 0.5 to 1 part of dispersing agent, 0.5 to 1 part of silicon dioxide powder, 1 to 5 parts of coalescing agent, 0.05 to 0.1 part of defoaming agent and the balance of deionized water. The modified pure acrylic emulsion used in the invention can still maintain good viscoelasticity at a low temperature (-10 to 16 DEG C), and by using the modified pure acrylic emulsion as a main body and using other additives, the water-based gloss oil can maintain a high slope antiskid angle (greater than or equal to 22 degrees). The preparation process of the water-based gloss oil is simple, the raw materials are physically mixed, and good storage stability is guaranteed; and used raw materials are environmentally friendly, andthe water-based gloss oil has good glossiness, wear resistance and anti-skid stability while ensuring high anti-skid application performance, and can meet various requirements of water-based gloss oil for printing.

The invention relates to a construction method of a semicircular caisson and pile foundation combination breakwater which comprises a caisson and a pile foundation. The caisson is a semicircular caisson formed by casting based on a combination steel form. The construction method comprises: using the combination steel form to carry out layerwise casting of the semicircular caisson on a premanufacture site according to the sequence of a bottom plate, a vertical plate, a rib plate and a semicircular arch ring, wherein in the overall manufacture of the vertical plate and the rib plate, the interesting parts of the vertical plate and the rib plate are provided with embedded sleeves to form mounting holes for a pile foundation; injecting water into the caisson through an opening of the semicircular arch ring at the construction site, and seating the semicircular caisson in a specific position; driving the pile foundation to a specific depth; connecting the pile foundation and the semicircular caisson in a whole. The construction method is applicable to soft soil foundations and deep waters, and has the advantages of good construction convenience, zero need for rubble bedding, short marine operation time and reusability.

The invention discloses a trapezoidal-block embankment structure and relates to an embankment structure of embankment engineering. In the technical scheme, the embankment structure is formed by arranging trapezoidal blocks with a complete block in the cross-section direction on a foundation bed and carrying out longitudinal and continuous arrangement and connection on the blocks gradually; each trapezoidal block is a block body with the cross-section direction being similar to trapezoid and the whole body being similar to a trapezoidal prism; the included angles between the slope surfaces of the two horizontal sides of each trapezoidal block and the horizontal plane are not larger than 60 degrees, and are larger than or equal to 18 degrees and smaller than or equal to 45 degrees when waves are larger; the height of straight walls at the two horizontal sides of each trapezoidal block is not more than 1/3 of the height of each trapezoidal block; wave-absorbing and pressure-releasing holes can be arranged on the slope surface of each trapezoidal block. The trapezoidal-block embankment structure disclosed by the invention has the technical effects that the foundation pressure is less, the stability against overturning and the stability against the sliding in waves are good, and the capability for resisting accidental impact of floating objects such as ships is strong. The trapezoidal-block embankment structure is applicable to improving embankment structures, wave-wall structures and breast-wall structures of dam engineering such as buildings, breakwaters, sand control dams and revetments in the field of dam engineering.

The invention discloses a water conservancy ecological slope protection structure and an operation method thereof, and relates to the technical field of water conservancy projects. The water conservancy ecological slope protection structure comprises a counterfort retaining wall, a slope protection structure and a water storage and drainage facility which are sequentially arranged from bottom to top. A slope crest water collecting channel communicates with a slope crest water collecting pool to store rainwater and roadside accumulated water, and a water pump and a drainage channel are arrangedon one side of a slope to guarantee slope crest water supply and drainage capacity. A green plant layer is formed by laying a plurality of slope protection units, and each slope protection unit is formed by combining concrete precast blocks and waste tires. A slope drainage pipe is used for draining water seeping from the slope, and a water supply main pipe is used for supplying water to slope protection vegetation. An in-slope drainage main pipe is arranged in a slope base layer and used for draining redundant water in the slope crest water collecting channel and the water collecting pool, and an in-slope drainage branch pipe is used for draining seeping water seeping into a slope body. The water conservancy ecological slope protection structure has the advantages that the slope protection structure is reasonable in design, the water supply and drainage system is complete, stability is high, environmental protection is achieved, water and soil loss is effectively avoided, and reutilization of waste materials is considered.

The invention relates to a multifunctional seawall system. The multifunctional seawall system comprises a main seawall, a longitudinal dam, a cellular dam and a beach protection and siltation promotion area, the longitudinal dam is parallelly arranged on the wave resistance side of the main seawall, the cellular dam is perpendicularly connected with the main seawall and the middle of the longitudinal dam, and the beach protection and siltation promotion area is arranged among the main seawall, the longitudinal dam and the cellular dam, wherein the beach protection and siltation promotion area comprises an intertidal zone, water plants and bentonic organism. Compared with a traditional technology, according to the multifunctional seawall system, the longitudinal dam and the cellular dam are additionally arranged on the wave resistance side of the main seawall, waves can be effectively weakened, the wave load acting on the main seawall structure is reduced, the sediment carrying capacity of a water body is weakened, sediment backflow is blocked, depositing of sediment on the foreshore of the main seawall is facilitated, the main seawall foundation is protected from being eroded and scoured, the function of beach protection and siltation promotion is achieved, the anti-sliding stability of the main seawall is enhanced through sediment deposited in front of the dam, the stability safety factor is increased, a growth habitat is provided for the water plants, the bentonic organism and birds, the peripheral ecological environment is improved, the ecological benefits are improved, and growth of large water plants plays a role of certain wave dissipation.

The invention belongs to the field of dam projects and relates to a caisson. The invention adopts the technical scheme that the triangular caisson is formed by wholly connecting side plates, a bottom plate and sealing plates at the two ends into a box body structure and filling backfill materials; the side plates at the two sides are connected according to node structures; the cross section is approximate to a triangle; the included angles among the side plates and the bottom plates are not more than 60 degrees; the whole caisson is approximate to a triangular prismoid; and when the wave at the front of a dam is greater, the included angles among the side plates and the bottom plate are not more than 45 degrees, i.e., the slope of each side plate is not more than 1:1. The triangular caisson has the technical effects that the project amount of reinforced concrete and the backfill materials per meter of track are obviously less than those of the prior art, the foundation pressure is low and uniform, the overall stability is good, and the practicability, the stability against overturning and the stability against sliding of a soft-soil foundation are greatly improved. The triangular caisson is applicable to the field of the dam projects in regulating buildings, breakwaters, sand control dams and the like.

The invention provides an SAP (Super Absorbent Polymer) concrete anti-slide expansion pile for slope reinforcement and a construction method thereof. The SAP concrete anti-slide expansion pile consists of an anti-slide pile cap, an SAP concrete expansion section, a waterproof clapboard and a rigid hollow pile body. Holes are drilled in advance in a slope section needing anti-slide reinforcement; the SAP concrete anti-slide expansion pile is embedded in the drill hole; water is injected into the anti-slide expansion pile through the rigid hollow pile body; the SAP concrete expansion section, filled with a concrete dry powder mixture mixed with SAP particles, expands in the water and is extruded out, an anchoring section is formed in the soil after solidification; water is injected into theSAP concrete expansion sections on the anti-slide expansion pile to expand, and a plurality of anchoring parts are formed after solidification to improve the anti-slide stability of the soil. A physical expansion method is utilized to strengthen the connection between the soil, so that sliding resistance of a slope is enhanced, and accidents such as soil sliding, collapse and the like caused by slope excavation are avoided. The SAP concrete anti-slide expansion pile can be applied to the excavation and supporting engineering of the slope and improves the safety and stability of the slope.

The invention discloses a pit-pond type depression earthwork and stonework filling structure and a construction method. The structure comprises filling, a pit bottom fragment rock ponding cushion layer, depression peripheral bed rocks, bottom water guiding holes, gravel used for filling the water guiding holes, a catchwater around a filling body and a filling body main surface drainage ditch. The construction method of the structure comprises the steps that unwatering is conducted; side walls are dug into stepped slope faces; the water guiding holes are drilled; fragment rocks of the ponding cushion layer are stuffed and compacted; the filling is stuffed and tamped or compacted; and the drainage ditch is constructed. The problem of accumulated water drainage at the bottom of pit-pond type depression filling bodies such as ponds and ditches is solved, the stability and deformation performance of the filling bodies are improved, the work procedures are simple, the cost of adopted materials is low, the structure has good application prospects, and the structure and the method are particularly suitable for stratums with the relatively low pit bottom rock formation permeability coefficient.

The invention relates to the technical field of slope support engineering, and discloses a concrete retaining wall structure capable of achieving grading greening. The concrete retaining wall structure comprises a retaining wall arranged outside a slope, and the retaining wall is provided with a retaining wall body away from the slope; the retaining wall body is provided with a plurality of greening grooves formed in the height direction of the retaining wall body at intervals; the greening grooves are internally provided with groove cavities, and the groove cavities are provided with openings at the upper ends and used for enabling plants to grow; and the greening grooves are provided with outer side walls deviating from the retaining wall body, and the outer side walls deviate from the retaining wall body and are obliquely arranged in the direction of the retaining wall body from bottom to top. The multiple greening grooves are formed in the height direction of the retaining wall body at intervals, the plants and other substances for beautifying can be planted in the greening grooves, accordingly, a three-dimensional greening plant landscape is formed, and the concrete retaining wall body is effectively shielded and protected; and meanwhile, due to the fact that the self weight of the retaining wall is additionally increased by the retaining wall greening grooves and the plants and soil in the grooves, thus, the friction force of the bottom of the retaining wall is increased, and the anti-slide stability of the retaining wall for supporting and blocking the slope is effectively improved.

The invention provides a landslide mass reinforcing method. The landslide mass reinforcing method comprises an outside intercepting ditch building step, an anti-slide pile construction step, a first pitching drainage construction step, a retaining wall construction step and a first platform intercepting ditch construction step, wherein the outside intercepting ditch building step comprises the following steps of: building an outside intercepting ditch around the periphery of a landslide mass; the anti-slide pile construction step comprises the following steps of: drilling a plurality of drill holes; placing reinforcement cages in the drill holes and pouring concrete to form anti-slide piles; sleeving cap beams at the free ends of the anti-slide piles; the first pitching drainage construction step comprises the following steps of: embedding a plurality of first drainage pipes into the landslide mass, wherein first drainage holes are formed in the peripheral walls of the first drainage pipes; the retaining wall construction step comprises the following steps of: building a retaining wall at one end, close to a road, of the landslide mass; and the first platform intercepting ditch construction step comprises the following step of: building a first platform intercepting ditch. The landslide mass reinforcing method can effectively enhance the anti-slide stability of the landslide mass, prevents the landslide mass from losing stability, avoids damage to the road, and reduces the maintenance cost of the road.