124results about How to "Reduce horizontal displacement" patented technology

The invention discloses an ultra-deep T-shaped trench-wall pile in a soft-toped hard-bottomed soil layer and a trench forming method. The trench forming method includes the steps: firstly, pre-reinforcing soft soil at each external corner of a T-shaped trench wall; secondly, digging a guide wall foundation pit, treating the extremely soft soil layer at the bottom area of a guide wall to lead the bearing capacity of the foundation bottom of the guide wall to be larger than or equal to 100kPa; and thirdly using the trench forming way of 'drilling and gripping'. By the method, trench forming efficiency can be improved greatly, cost is lowered, and evident economy is achieved.

The invention belongs to the bridge technical field and relates to a deck type open shoulder arch bridge. The deck type open shoulder arch bridge comprises a main arch ring 1, upper spandrel arches 2, a bearing platform 3 and a pile foundation 4, wherein the upper spandrel arches 2 are arranged on both sides of the main arch ring 1, and arch feet of the main arch ring 1 are arranged in the bearing platform 3. The deck type open shoulder arch bridge further comprises a plurality of prestressed concrete pull-pressing rods 5. A prestressed wire 6 penetrates through each prestressed concrete pull-pressing rod 5, and two ends of the prestressed wire 6 are respectively anchored in the bearing platform 3 which is on the same side of the prestressed wire 6. The main arch ring 1, the pile foundation 4 and the prestressed concrete pull-pressing rods 5 are connected to form a whole through the bearing platform 3. Meanwhile, the invention provides a constructing method of the deck type open shoulder arch bridge. Prestressed steel beams in the prestressed concrete pull-pressing rods 5 can be once tensioned in place in constructing process, and no construction passageway is need to leave to conduct tension step-by-step.

The invention discloses a single pile and gravity combined offshore wind plant blower foundation. The foundation comprises a steel pipe pile vertically inserted to a seabed; the upper end of the steel pipe pile is connected with a transition section, and the upper end of the transition section is connected with a blower tower cylinder; the lower end of the steel pipe pile is anchored on the seabed by crossing through a gravity type foundation. The technical scheme of the single pile-gravity combined offshore wind plant blower foundation provides a novel foundation model formed by combining a single pile and the gravity; through adding an additional hollow gravity type foundation at the position of the steel pipe pile closing to the seabed, the rigidity of the single pile foundation closing to the seabed face is enhanced, advantages of two foundations are combined, and the using scale of a single-pile foundation is enlarged. The scheme increases the ability of resisting bending torque of the single-pile foundation, reduces the displacement of the pile body, and decreases the diameter and the thickness of the steel pipe pile.

The invention provides an artificial composite foundation for building a clay core rock-fill dam on a deep overburden. The artificial composite foundation comprises a base rock (1) and an overburden (2) arranged on the base rock (2); a filter layer (5) is arranged at the outer side of a reversed filter layer (4); a rock-fill (6) is arranged at the outer side of the filter layer (5); the rock-fill (6), the filter layer (5), the reversed filter layer (4) and a core (3) form a dam body, wherein the thickness of the overburden (2) is more than 50m; a concrete cover board (7) is arranged in the overburden (2); and the height of the dam body is more than 150m. The shortages of large digging work amount, increased scale of river diversion works, increased scale of waste slag field, prolonged engineering construction period and increased engineering investment are avoided by using the artificial composite foundation. According to the artificial composite foundation, the diaphragm wall construction and the reinforcing grouting construction are conducted in gallery of the concrete cover board, and the dam filling construction can be synchronously performed, so that the construction period is shortened effectively. The invention simultaneously discloses a construction method for the artificial composite foundation.

The invention discloses an offshore wind electricity single pile-wing plate-rockfill composite foundation and a construction method thereof. The foundation comprises a single pile, a wing plate and rockfill, the wing plate is of a conical structure, and is welded to the outer wall of a pile body, the rockfill is formed through dense stacking of the rockfill, the upper end of the wing plate is located in the rockfill, and the lower end of a pile wing is located on a seabed supporting layer. The construction method of the offshore wind electricity single pile-wing plate-rockfill composite foundation comprises the following steps of S1, determining the sizes of the single pile, the wing plate and the rockfill; S2, driving the single pile with the wing plate by the designed anchorage depth; and S3, stacking the rockfill on a seabed nearby the single pile. The problems of the low single pile bearing force, the large pile wing of the wing plate pile, serious foundation washing and the like can be solved, the single pile, wing plate and rockfill combination structure uses pile periphery soil resistance and rockfill friction force, the pile foundation bearing force can be improved, the pile foundation horizontal displacement can be reduced, the wing plate size is reduced, a wing plate stress mechanism is changed, washing of waves and ocean currents to seabed soil can be blocked, and safe and stable running of an offshore wind generation set can be ensured.

The invention discloses a construction method of a bridge pile foundation in a mountainous area. The construction method comprises the following steps: (1) staking out in survey, namely locating position of the pile foundation; (2) digging a hole, namely enlarging hole on the bottom rock of a pile hole after digging the pile hole to form an enlarge hole cavity; (3) placing a steel reinforcement cage and an enlarged steel reinforcement cage, namely placing a main steel reinforcement cage in the pile hole and placing the enlarged steel reinforcement cage in the enlarged hole cavity; (4) pouring concrete, namely pouring concrete into the pile hole by adopting a guide pipe method and manufacturing a bearing platform; and (5) arranging anchor cables, namely drilling around the pile foundation, mounting a vertical anchor cable and a horizontal anchor cable, grouting by adopting a hole bottom grout returning method, and punching the vertical anchor cable and the horizontal anchor cable into the rock by passing through the soil layer. The construction method is simple; the pile foundation bearing capability is strong.

A fluid atomizer that can include an orientable extension conduit between a pump bottle and an atomizing nozzle. A brace element between the bottle and the conduit limits movement of the nozzle during actuation of the pump mechanism. A resilient enlargement to engage the bottle may be included to permit suspending the bottle in commercially available storage racks.

A dual track handling assembly is provided for refuse collection equipment having a hopper for receiving refuse, which hopper is defined in part by a pair of oppositely disposed sidewalls. The assembly includes a pair of lower tracks, each of which is mounted on a sidewall in a generally parallel disposition to the other. The assembly also includes a pair of upper tracks each of which is mounted on a sidewall in a generally parallel disposition to the other. The pair of lower tracks define a plane that is substantially parallel to a plane defined by the pair of upper tracks. The assembly also includes a pair of lower track shoes which move in the lower tracks and a pair of upper track shoes which move in the upper tracks. The assembly also includes a carrier having a lower track end that is attached to a lower track shoe, an upper track end that is attached to an upper track shoe, and a lower side that is substantially parallel to the tracks within which said lower and upper track shoes are received. The assembly also includes a blade that pivots between an open position and a closed position, a blade actuator, and a packer actuator that moves the upper track shoes in the upper tracks. The assembly also includes a deflector that is substantially parallel to the plane defined by the pair of lower tracks. The lower side of the carrier is adapted to substantially bear against at least a portion of the deflector.

The invention relates to the technical field of building and bridge shock insulation, in particular to a soft collision protective device suitable for ultrahigh-intensity earthquake actions. Vertical loads are not borne, and a steel shear connector and a hollow connection steel plate do not collide with each other in a set shock insulation layer horizontal displacement range. When the shock insulation layer horizontal displacement in any direction exceeds the horizontal distance between the steel shear connector and the hollow connection steel plate, the soft collision protective device has a limiting function in the horizontal direction so that the shock insulation layer horizontal displacement can be reduced, the situation that the shock insulation layer horizontal displacement is too large and accordingly a shock insulation supporting base is damaged and loses efficacy is avoided, and the adverse effect that a shock insulation structure collides with surrounding structures is avoided or mitigated. The soft collision protective device can be suitable for the ultrahigh-intensity earthquake actions, has a limiting function on a shock insulation layer, and accordingly effectively protects the shock insulation supporting base and the structures. The soft collision protective device is simple and clear in structure, clear in work mechanism, good in mechanical property, convenient to construct, and easy to maintain after earthquakes.

The invention discloses a prestressed PC construction method combined steel pipe pile foundation pit supporting structure and a construction method thereof, relates to the technical field of geotechnical engineering foundation pit supporting, and aims at the problems that an existing PC construction method combined steel pipe pile supporting structure needs to be combined with a supporting system to be used, the construction cost is increased, and the construction period is prolonged. The structure comprises at least one row of steel pipe piles which are arranged in parallel at intervals; fixed end anchorage devices are arranged at the bottoms of the inner walls of the row of steel pipe piles close to the excavation surface of a foundation pit; every two adjacent steel pipe piles are connected through at least one Larsen steel sheet pile in a buckled mode; capping beams are arranged at the tops of each row of steel pipe piles; and one end of a prestressed steel strand is anchored to the fixed end anchorage device, and the other end is anchored to the coping beam. According to the construction method, the adjacent steel pipe piles are connected through the Larsen steel sheet piles in a buckled mode, the capping beams are constructed at the tops of the steel pipe piles, sleeves are pre-buried, the prestressed steel strands are tensioned, the top ends of the steel pipe piles are anchored to the soil facing side of the capping beam, after construction of the underground structure is completed, the steel pipe piles and the Larsen steel sheet piles are pulled out, and gaps are filled through grouting.

The invention provides a novel stability control system for a pile foundation in a deep filling slope. The novel stability control system for the pile foundation in the deep filling slope comprises an anchorage pier, an anchor rod, a slide-resistant pile and a tension device. The slide-resistant pile is a vertically arranged reinforced concrete pile and arranged on the middle-lower portion of a slide slope zone. A slide slope body slides along a sliding surface. A lower layer of the sliding surface is a stabilized soil body or rock. The lower end of the slide-resistant pile goes deep into the stabilized soil body or the rock. The anchorage pier is buried into the stabilized soil body or the rock. The anchor rod is arranged perpendicular to the slide-resistant pile. One end of the anchor rod is fixed to the top end of the slide-resistant pile. The other end of the anchor rod horizontally penetrates through the slide slope body and is fixed inside the anchorage pier. The tension device is installed on the anchor rod and located inside the slide slope body. The novel stability control system for the pile foundation in the deep filling slope is simple in structure, convenient to construct, high in construction efficiency and capable of effectively preventing sliding of the slope.

The invention discloses a composite base framework used for a power transmission tower in a steep mountainous area. The composite base framework comprises a master base, a slave base and a main binding beam, wherein the master base comprises a master base main post and a master base expanding bottom; the master base main post comprises a master base compact exposure section and a master base embedding section; the slave base comprises a slave base main post and a slave base expanding bottom, wherein the slave base main post comprises a slave base compact exposure section and a slave base embedding section; the main binding beam is provided with a main binding beam main reinforcement, main binding beam reinforcement stirrups, a main binding beam non-reinforcement stirrup and main binding beam end part anchorage reinforcements. The invention also provides a construction technology of the composite base framework used for the power transmission tower in the steep mountainous area. The composite base frame system with the binding beam is adopted to replace a traditional means that the base main post is deepened and thickened or a multi-post bearing platform is adopted, the horizontal bearing performance of the base main post can be effectively improved, the horizontal displacement of the base main post is reduced so as to reduce the use amount of base concrete and reinforcing steel bars, and the invention performs a prominent engineering significance on environment protection, conservation of water and soil and terrain condition adaption.

The invention relates to the field of fabricated concrete buildings, in particular to a structure in which shear walls in a concrete frame-shear wall structure (frame-shear structure for short) are connected in a split-level mode and a splicing method. The structure comprises a fabricated lower-layer column, a fabricated upper-layer column, a fabricated bottom half-layer/top half-layer wall, a fabricated middle-layer wall, a fabricated top-layer beam, a foundation beam, I-shaped column-wall connecting bonds and groove-shaped beam-wall connecting bonds, wherein the I-shaped column-wall connecting bonds and the groove-shaped beam-wall connecting bonds are used for connecting the components. The structure is formed through concrete pouring. Frame columns of the shear walls are disconnected onfloors, and the shear walls are disconnected between the two floors. Meanwhile, the components are connected through steel plates, the connecting structure and the splicing method have the advantagesof being high in integrity and high in ductility, and the integrity and the earthquake resistance of the structure are both improved.

The invention discloses an offshore fan combination-type single pile foundation and a construction method thereof. The offshore fan combination-type single pile foundation comprises a pile body, a pile wing and a gravity disc, the pile wing is located on the outer wall of the upper part of an anchoring section of the pile body, the gravity disc is located on the interface of a surrounding soil body of the pile body and seawater and is of a rigid structure, and the gravity disc and the pile body are fixedly connected or freely connected. The construction method of the combination-type single pile foundation comprises the following steps that S1, parameters of the pile body, the pile wing and the gravity disc are determined; S2, the pile body is driven to the designed anchoring depth throughpile sinking equipment; and S3, the gravity disc is hung on the mud-water interface near the pile body. Through the gravity disc, the pile surrounding soil body can be strengthened, the size of the pile wing can be decreased, stress of the pile wing can be improved, through the synergistic effect of a single pile, the pile wing and the gravity disc, the passive soil pressure and shearing resistance of the pile surrounding soil body can be fully mobilized, the horizontal carrying capacity of the pile foundation is improved, rotation and lateral displacement of the pile body are lowered, the bending moment of the pile body is reduced, then the diameter and the length of the pile body can be appropriately decreased, the construction cost is lowered, and the construction progress is accelerated.

A prefabricated self-resetting energy consumption support comprises an energy consumption core mechanism, a casing mechanism and a self-resetting mechanism, wherein the energy consumption core mechanism comprises a mild steel plate, wide connecting plates, narrow connecting plates and fixing channel steels; the casing mechanism comprises outer channel steels, fixing cable plates and casing connecting ear plates; the self-resetting mechanism comprises cables, anchors and end plates, the cables penetrate cable holes in the fixing cable plates of the casing mechanism and then penetrate cable holes in the end plates at two ends of the casing mechanism, certain prestress is applied and the magnitude of the prestress is determined according to particular situations, and the cables are then anchored by the anchors. The casing mechanism after the cables are tensioned is correspondingly assembled on two sides of the energy consumption core mechanism and fastened by bolts, assembly of the support is completed, the overall machining process of the support is completed in a factory, and the support is assembled to a frame through bolts at the construction site. Under the action of an earthquake, the support can bear most of horizontal shear, and accordingly, the horizontal displacement of the overall structure is reduced, and the repair cost is reduced.

The invention discloses a novel prefabricated drainable pipe pile and a preparation and construction method thereof, belonging to the field of geotechnical engineering. The invention includes: a prefabricated pipe pile body, longitudinal and transverse reserved grooves on the pile surface, a permeable concrete layer, corresponding pipe pile end plates and the like. The present invention fills the grooves reserved longitudinally and transversely on the side walls of the prefabricated pipe piles with permeable concrete as the drainage channel for the pore water in the soil, and connects the piles through the corresponding pipe pile end plates designed by the present invention to ensure the connection between the piles. The drainage path behind the pile is unobstructed. The application of the present invention can reduce the soil squeezing effect in the process of sinking piles, accelerate the consolidation of soil between piles, increase pile side friction, effectively reduce the vertical and horizontal displacement of adjacent piles, and improve the bearing capacity of pile foundations ; It can also reduce the post-construction settlement and negative frictional resistance of the pile side soil. The invention has the advantages of simple structure, factory production, high construction efficiency and remarkable actual social and economic benefits.

The flexible goods shelf warehousing system comprises a high-position goods shelf and an operation system, the bottommost layer or multiple layers of the high-position goods shelf are connection positions, storage positions are arranged above the connection positions, a lifting robot is arranged on one side of the high-position goods shelf, and a carrying robot is arranged on the other side of the high-position goods shelf. The horizontal displacement of the stacking machine and other lifting robots is reduced, the matched ground carrying robot is added, the cargo carrying efficiency is improved, the lifting robots and the ground carrying robot do not need to be fixed, and the system flexibility is greatly improved.

The invention relates to a pile sinking process of steel pipe pile foundations in an electric transmission line. The process comprises the following steps: firstly, putting steel pipe piles in a siteand hoisting and stacking the steel pipe piles; then identifying pile sites with lime according to the pile sites formulated by a design and construction drawing; excavating foundation pits in positions where the piles are needed to be pressed; fixing limiting rings for limiting the positions of the steel pipe piles to the openings of the foundation pits; holding up the steel pipe piles by means of a crane; moving the steel pipe piles toward the foundation pits, wherein the steel pipe piles finally penetrate through the limiting rings and are inserted into the foundation pits; adjusting the perpendicularity of the steel pipe piles; fixing the limiting rings to the ground; then removing the crane; putting connecting steel pipes in a channel and welding the connecting steel pipe to adjacenttwo steel pipe piles together; filling the foundation pits and the channel with concrete; and removing the limiting rings after the concrete is solidified. The contact area of the steel pipe pile foundations and the ground is increased, and the pile block horizontal displacement of the steel pipe pile foundations can be reduced effectively, so that pole towers fixed to the steel pipe piles are unlikely to incline with relatively high safety.

The invention relates to the field of electric power communication facilities, and particularly discloses a swing type damping device on the top of a single pipe tower. The swing type damping device comprises the single pipe tower and is characterized in that a swinging body is suspended on the top inside the single pipe tower by a rope, a round of damping baffles is arranged around the swinging body, a supporting plate is arranged under the damping baffles for supporting the damping baffles, and the supporting plate is fixed on the wall of the single pipe tower; and springs which are distributed radially are arranged between the damping baffles and the wall of the single pipe tower. The horizontal displacement of the tower can be reduced under wind load or seismic load; when the amplitudeof oscillation is large, a swinging column strikes against a damping system so as to avoid colliding directly with the side wall of the single pipe tower, and in addition, the springs and the swing column together can produce a force opposite the movement direction of the single pipe tower to the single pipe tower, so as to realize the effect of reducing the displacement.