17results about How to "Delay uneven settlement" patented technology

The invention provides a foam concrete slope crest reconstruction and extension structure in a landslide field area and a construction method thereof. The slope crest reconstruction and extension structure comprises a slope surface protection structure constructed after grading sloping of a slope surface of an original slope, a row of anti-slide piles constructed on a grading sloping slope surface platform of the original slope, a row of beam top stand columns fixed above pile top connecting beams of the anti-slide piles, and a row of anchoring piles constructed in the original slope and close to a building. An inter-stand-column breast board is arranged between every two adjacent beam top stand columns, foam concrete structures are filled between the inter-stand-column breast boards and the graded sloping net hanging concrete spraying structures, and a plurality of sets of horizontal opposite-pulling anchor cables are connected between the beam top stand columns and the anchor pile top connecting beams. The overall stability of the reconstruction and extension site landslide is greatly improved, and slope crest displacement is effectively controlled; the surface subsidence of the slope top behind the anchoring pile is effectively controlled within a design and standard range; meanwhile, the foam concrete structure is used for filling the roadbed, so that filling pressure can be relieved, and compactness and strength are guaranteed.

The invention provides a foundation structure of a fused salt storage tank of a photo-thermal power station, which comprises a composite thermal insulation layer and a reinforced concrete retaining wall, the composite thermal insulation layer is arranged below a tank bottom plate of the fused salt storage tank, and the composite thermal insulation layer comprises a top cushion layer, ceramic fiber cloth and a ceramsite soil layer which are sequentially arranged downwards; an annular beam is arranged at the top of the composite heat preservation layer and composed of an annular steel plate and a heat-resisting concrete layer which are sequentially arranged below the tank bottom plate, a protective ring wall is arranged in the circumferential direction of the composite heat preservation layer, and a concrete foundation cushion layer with a built-in ventilation pipe and a built-in temperature measuring sleeve is arranged below the composite heat preservation layer. A circle of retaining wall is arranged on the periphery of the retainer wall, and the space between the retaining wall and the retainer wall is filled with compacted plain soil. The foundation structure reduces the leakage risk of molten salt.

The utility model belongs to the technical field of hydraulic engineering, and relates to a concrete gravity dam structure suitable for Xigeda stratum.The concrete gravity dam structure comprises a dam body, a cushion layer, a main tooth wall, an auxiliary tooth wall and an anti-seepage wall which are all made of concrete in a pouring mode, the anti-seepage wall is buried in the stratum, the longitudinal section of the main tooth wall is in an inverted trapezoid shape, and the bottom face of the main tooth wall is connected to the anti-seepage wall; the at least one auxiliary tooth wall is arranged in the direction from the upstream to the downstream, and a gap is formed between the auxiliary tooth wall and the main tooth wall; the dam body is arranged on the cushion layer, and the longitudinal section of the dam body is triangular; a back pressure platform is further arranged on the cushion layer and connected to the dam body, and a drainage ditch is arranged at the joint of the back pressure platform and the dam body. A first drainage hole is further formed in the dam body, a second drainage hole is formed in the back pressure platform, and the first drainage hole is communicated with the second drainage hole. Therefore, the technical problem that in the prior art, a concrete gravity dam is difficult to construct under the soft foundation condition of the Xigeda stratum is solved.

The utility model discloses an assembly type tunnel subgrade connection structure and tunnel portal subgrade project, including prefabricated subgrade block, prefabricated subgrade block includes the solid waste bulk solid structure and light plate that overlap mutually, the light plate is provided with a plurality of functional holes along the length direction, at least one functional hole is used as the connecting hole, the light plate is used as the connecting hole, and the connecting hole is used for connecting the solid waste bulk solid structure and the light plate. The connecting structure further comprises connecting anchor rods penetrating through the tunnel portal slope, and the connecting holes of the prefabricated roadbed blocks located on the tunnel portal slope are connected with the connecting anchor rods in a matched mode. The prefabricated roadbed blocks located outside the tunnel portal slope are laid in a layered mode in the transverse direction.

The utility model provides a highway subgrade applying accumulation of tunnel waste slag. The outer side face of an original subgrade is provided with at least one step platform extending in the length direction of the original subgrade; the waste slag stacking layer is stacked on the outer side face of the original roadbed, a geogrid corresponding to the step table is arranged in the waste slag stacking layer, one end of the geogrid extends to the step table, and the other end of the geogrid extends to the outer side inclined face of the waste slag stacking layer; the grouting anchor rods are distributed on the waste slag accumulation layer in a plum blossom shape, and the lower ends of the grouting anchor rods extend to the bottom face of the roadbed in the longitudinal direction. The waste slag generated by tunnel construction is used as the roadbed filler, so that the cyclic utilization of resources is realized, the outward transportation cost of the waste slag and the pollution to the environment are reduced, and good economic benefits and environmental benefits are achieved. By arranging the structures such as the step tables, the geogrids, the grouting anchor rods, the rotary excavating piles and the ground beams, the connection strength between the waste slag accumulation layer and the original roadbed is enhanced, and the overall stability and deformation resistance of the roadbed are improved.

The invention discloses an integral tamping reinforcement construction method for a poor foundation of an industrial factory building terrace. The integral tamping reinforcement construction method comprises the operation procedures of surface cleaning, earthwork backfilling, earthwork compaction, geotextile laying at intervals in a crossed mode through a weaving method, geotextile fixing, earthwork backfilling and geotextile laying circularly and repeatedly till filling soil reaches the designed elevation. The geotechnical cloth is woven and laid at intervals to form a grid shape, so that the integrality is better, and labor and materials are saved; geotextile is laid, so that unfavorable soil texture is greatly improved, and time and cost for replacing good soil or watering, tedding and the like of the soil body are reduced; the grid-shaped geotechnical cloth is laid to improve the integrity of the soil body, the virtual laying thickness of each layer can be properly increased, the layering frequency is reduced, the construction efficiency is improved, and uneven settlement of the soil body caused by construction or environmental factors is reduced; the large-area overall filling earthwork increases the construction efficiency and shortens the construction period.

The present invention discloses a wood frame-well dry wall hybrid structure system, including well dry wall, wood beams, wood columns, wall through screws, anchor bolts and interlayer wall anchor screws. The wood beams and wood columns are connected by metal connectors or mortise and tenon joints to form a beam-column wood frame, and the wood beams or wood columns are connected to the well dry wall in a tongue-and-groove form; the well dry wall is connected between adjacent layers by interlayer wall anchor screws; the wall through screws are equipped with compression springs or spring washers at the nut position; the transverse grain compression wood under the anchor pad of the wall through screws, anchor bolts and interlayer wall anchor screws is reinforced by self-tapping screws. The present invention can realize industrialized production in the factory and rapid assembly construction on site; at the same time, it has the advantages of small deformation and uneven settlement of the wall transverse grain, excellent seismic performance, repeatable disassembly and assembly, and good durability.

The utility model provides a low embankment road slab culvert channel bottom plate deformation joint anti-settlement and anti-leakage structure, and relates to the technical field of slab culvert channel bottom plate construction, the low embankment road slab culvert channel bottom plate deformation joint anti-settlement and anti-leakage structure comprises a cover plate, a bottom plate is arranged below the cover plate, and a channel is formed between the cover plate and the bottom plate; a deformation joint is arranged on the bottom plate, and a water stop belt is arranged on the deformation joint; a waterproof layer is arranged at the lower end of the bottom plate, and the bottom plate is in socket connection with the waterproof layer. By reasonably reinforcing the deformation joint and lengthening a water seepage path, differential settlement at the deformation joint can be reduced, and leakage at the deformation joint can be prevented.

The utility model relates to the field of building construction technology, concretely relates to a cantilever type retaining wall, including wall panel, wall toe board and wall heel board, the wall panel vertical setting, wall toe board and wall heel board set up in the both sides of wall panel respectively, wherein, the intersection of wall toe board and wall heel board both with wall panel is equipped with reinforcing body, the reinforcing body is equipped with reinforcing steel bar in, the lower part of wall panel is equipped with tenon, the tenon is set up and inclines to wall heel board, the retaining wall below is equipped with high pressure rotary jet pile and graded broken stone cushion, the graded broken stone cushion is laid in the downside and the inside and outside of wall toe board and wall heel board, a plurality of drainage channels are equipped on the wall panel, the back of drainage channel is equipped with filter back layer, the filter back layer includes the bagged gravel layer and bagged broken stone layer of alternately arranged. Therefore, can prevent the soil body loss and guarantee the smooth drainage more effectively and more durable.

The present invention relates to the technical field of road construction. The present invention provides a device for controlling uneven settlement at the junction of new and old roadbeds, including a pumping device, a flow pressure valve, an old roadbed liquid storage box and a new roadbed liquid storage box; the new roadbed liquid storage box includes a box top through hole, a support plate, a float, a float rod and a spring support; the support plate is arranged horizontally; the float rod is arranged in a vertical direction, the top end of the float rod is fixed to the support plate, and the bottom end of the float rod is fixed to the float ball; the rod body of the float rod can float up and down in the box top through hole; the spring support is fixed to the bottom of the new roadbed liquid storage box; the pumping device, the flow pressure valve, the old roadbed liquid storage box and the new roadbed liquid storage box are connected in sequence. The present invention uses water pressure to generate liquid buoyancy to offset the uneven settlement of the soil body, and the device for controlling uneven settlement at the junction of the new and old roadbeds has high efficiency, timely adjustment response speed, high sensitivity and accuracy; the overall installation of the device is simple and low cost.

The utility model discloses a structure for avoiding well lid sedimentation and belongs to the field of municipal drainage engineering. The structure comprises a shaft, a mortar layer is arranged on the top of the shaft, a cement concrete layer is arranged on the top of the mortar layer, the inner diameter of the mortar layer is smaller than that of the cement concrete layer, and a sleeve is installed on the inner side. The outer wall of the sleeve is attached to the inner wall of each layer, the top walling crib is fixed to the cement concrete layer through high-strength expansion bolts, a pull rod is embedded in the cement concrete layer and inserted into a sleeve clamping groove, the lower portion of the sleeve is fixed to the shaft through expansion bolts, and a rubber ring is arranged on an inner wall step-shaped installation table to install the well lid. And graded broken stones are backfilled within 1m of the periphery of the shaft. According to the structure, the well lid is reliably connected with a shaft and a pavement base layer through the high-strength expansion bolts and the pull rods to form a unified whole, stability is enhanced, differential settlement and abnormal sound are reduced, meanwhile, sealing and damping are achieved through the rubber rings, and durability is improved.

The utility model relates to a tubular pile penetrating anti-pulling anchor rod which comprises a tubular pile, an anchor rod body and a cement mortar body. Wherein the tubular pile comprises a tubular pile body and a cavity formed in the tubular pile body, the tubular pile body is driven into a muddy soil layer, the bottom end of the tubular pile body reaches a bedrock layer surface, drilling is conducted in the tubular pile body to form an anchor rod drilling hole, and the anchor rod drilling hole penetrates through the bottom end of the tubular pile body and extends into a bedrock layer at the bottom end of the tubular pile body; the anchor rod is arranged in the cavity and the anchor rod drill hole in the pipe pile body, and the anchor rod comprises a first section embedded into the pipe pile body and a second section embedded into a bedrock layer; the top end of the anchor rod is anchored with an underground structure bottom plate; and the cement mortar body is poured in a gap between the cavity and the anchor rod, so that the anchor rod is anchored in the cement mortar body. The tubular pile penetrating anti-pulling anchor rod has the advantages of being simple in structure, convenient to use, high in reliability and high in corrosion resistance.

The utility model provides a pipeline laying foundation structure and a water conveying line using the same. Comprising a first-section base layer which is constructed by concrete and used for bearing a first pipe joint, a second-section base layer which is constructed by concrete and used for bearing a second pipe joint, a third-section base layer which is constructed by concrete and used for bearing a third pipe joint, a fourth-section base layer which is constructed by concrete and used for bearing a fourth pipe joint, and a plurality of connecting steel bars, a gap between the second-section foundation layer and the adjacent third-section foundation layer is a first gap, the multiple connecting steel bars are transversely arranged at intervals and stretch across the first gap, and the first gap is filled with a foam plate; the third section of base layer comprises two first base sub-layers; one first foundation layer is a gravel tamping layer, the other first foundation layer is constructed by concrete, or the two first foundation layers are constructed by concrete and are integrally formed. The utility model further provides a water diversion project water conveying line comprising the foundation structure. According to the utility model, the safety and reliability of the pipeline laying foundation structure of the water delivery line of the water diversion project are economically improved.

The invention relates to the technical field of foundation treatment, in particular to a treatment method for a high-water-level non-uniform foundation in a water-rich area. The construction method comprises the steps of 1, laying a cushion layer on the surface layer of a treatment area, 2, carrying out first-time point tamping construction, 3, carrying out second-time point tamping construction, 4, carrying out third-time full tamping construction, 5, laying geotechnical cloth in a water-rich area, 6, laying geotechnical cloth at the lap joint of a new runway pavement and an old runway pavement, and 7, arranging a blind ditch. The situation of fine particle loss can be reduced by laying the geotechnical cloth, the possibility of differential settlement is reduced, differential settlement of the foundation is reduced, the bearing capacity of the foundation is enhanced, and different foundation treatment modes are adopted for different foundation problems; and construction technology and process parameters suitable for the foundation stability and drainage problem of the water-rich area are formed.

The utility model relates to an underground garage frame column structure capable of avoiding a stub. The underground garage frame column structure comprises a stub body. Auxiliary pile foundations are arranged on the two sides of the stub body. A pile foundation bearing platform is arranged on the auxiliary pile foundation; the frame column is arranged on the pile foundation bearing platform. By the adoption of the scheme, when an original residual pile is dealt with, the original residual pile only needs to be cut off to the position below the cushion layer, excessive treatment is not needed, the construction period is greatly shortened, cost is reduced, and a better choice is provided for an engineering project with the short construction period.

This invention relates to the field of foundation treatment technology, specifically to an in-situ solidified composite foundation based on the resource utilization of industrial solid waste and its treatment method. It solves the problems of existing foundations, which often use reinforced concrete piles and sheet piles, resulting in high material costs and poor adhesion to the internal solidification layer; and drainage systems that are mostly single vertical drainage systems, leading to low efficiency in draining water accumulated within the foundation and affecting the durability of the foundation treatment. The invention includes a foundation and foundation solidification piles. Multiple foundation solidification piles are evenly distributed along the outer edge of the foundation, and a foundation connecting beam is cast between every two adjacent foundation solidification piles. An outer retaining wall is provided on the outside of the foundation connecting beam. This invention, through the coordination of the foundation connecting beam, outer retaining wall, inner retaining wall, and matching arc plate, utilizes industrial solid waste as aggregate to prepare foundation piles and other components, achieving the resource utilization of industrial solid waste, reducing environmental pollution caused by solid waste accumulation, and simultaneously lowering engineering material costs.

A composite pile foundation giving consideration to overall stability and differential settlement reduction comprises a seawall body, the seawall body is provided with two rows of cast-in-situ bored piles, the front row of the seawall body near the sea is a close-packed cast-in-situ pile wall, the two rows of cast-in-situ bored piles penetrate through a deep sliding arc, and a soil body reinforcing area on the seawall body near the shore is internally provided with a plurality of cast-in-situ bored piles. A plurality of cement mixing piles arranged in a quincunx shape are arranged, and the processing width of the cement mixing piles corresponds to the management range of the inner side of the seawall. The problems that riprap suppression is not allowed in the sea area range in front of the seawall, so that the seawall is overall stable, and after construction, a seawall body and filling soil on the rear side are structurally separated due to sedimentation are solved.