161 results about "Buttress" patented technology

The invention relates to the technical field of building seismic isolation, in particular to a seismic isolation system with a vertical stepped quasi-zero stiffness characteristic and a design method of the seismic isolation system. A building three-dimensional seismic isolation system with the vertical stepped quasi-zero stiffness characteristic comprises a horizontal seismic isolation support arranged on the top face of a lower buttress; the positive stiffness system comprises at least one vertical steel spring, and the two ends of the vertical steel spring are connected to the top face of the horizontal shock insulation support and the bottom face of the upper buttress correspondingly. The negative stiffness system comprises a variable-slope guide plate, a horizontal multi-layer annular spring and a supporting plate, the thickness of the variable-slope guide plate changes in the height direction of the variable-slope guide plate, one end of the horizontal multi-layer annular spring abuts against the variable-slope guide plate, the horizontal multi-layer annular spring is connected to the supporting plate, and the supporting plate is connected to the upper buttress; the horizontal multi-layer annular spring can be driven to move along the surface of the variable-slope guide plate by changing the distance between the upper buttress and the lower buttress, and the horizontal multi-layer annular spring moves along the surface of the variable-slope guide plate, so that the length of the horizontal multi-layer annular spring is changed, and then negative stiffness is provided.

The invention belongs to the technical field of bridge construction, and particularly relates to a design method for a temporary pushing buttress based on reinforcement learning. The method comprises the following steps that reinforcement learning modeling is carried out, and a temporary buttress design agent is constructed; constructing a finite element simulation environment for simulating the structural response of the buttress scheme; training a temporary buttress design agent by adopting a depth deterministic strategy gradient algorithm; and strategy network deployment: deploying the trained temporary buttress design agent model to an engineering design platform, and realizing automatic generation of a pushing temporary buttress design scheme in an actual scene. According to the method, the intelligent and dynamic temporary buttress design optimization is realized by constructing the multi-target reinforcement learning framework including buttress stability, material consumption and girder deformation and combining with the depth deterministic strategy gradient algorithm to train the intelligent body capable of automatically carrying out temporary buttress design under different environment constraints; and the design efficiency of the temporary buttress is obviously improved.

The utility model belongs to the technical field of coal bunker retaining walls, and particularly relates to a large-diameter round coal bunker retaining wall structure which comprises a coal retaining wall, buttresses and a foundation, the coal retaining wall is round, the buttresses are distributed on the outer side wall of the coal retaining wall in a round array shape, the top end of the foundation is connected with a round limiting block, and the round limiting block is connected with the coal retaining wall. A group of drainage holes are formed in the surface of the round limiting block in a round array shape in a penetrating mode, and a water collecting groove is reserved between the round limiting block and the coal blocking wall. Therefore, the problem that the rigidity of the flexible steel beam is gradually worse due to the influence of complex weather conditions such as strong wind and rain and snow is effectively reduced. According to the design, the durability of the retaining wall structure of the large-diameter circular coal bunker is improved, accumulated water in the water collecting tank can be conveniently discharged to the outside through the arranged drainage holes, the water dredging efficiency is improved, and the corrosion risk of residual water to the coal retaining wall is further reduced.

The utility model belongs to the technical field of trays, and relates to a positionable aluminum tray, which comprises a tray, a pop-up mechanism and a positioning device, when a heavy object is placed on the tray, an elastic bearing plate begins to deform, a battery supplies power to an electromagnetic sliding block, so that the electromagnetic sliding block is full of magnetism, the electromagnetic sliding block and a magnet attract each other, and the electromagnetic sliding block slides to the topmost end; when the tray is transferred by the forklift, the electromagnetic sliding block restores to the original position again, at the moment, the included angle of the connecting rod is gradually increased to be close to 180 degrees, the supporting rod is driven to move towards the interior of the buttress, and therefore the supporting rod moves towards the outer side of the buttress, the crank is driven to rotate clockwise, and the positioning device is driven to move to the outer side of the buttress; by means of the linkage mechanism of the gravity and the popping mechanism, the contradiction problem that metal shielding and physical protection cannot coexist can be solved, and then the signal quality and the protection performance of the tray can be guaranteed.

A vacuum formed, tamper resistant container resists deformation of the sides thereof that might otherwise permit access to contents of the container without removal of the lid. Downward protruding lid features reinforce the wall of the container base, and buttress features included in the rim of the base extend from a base flange diagonally downward and inward to the inner rim of a recessed shelf, thereby resisting downward rotation of the wall beneath the lid protruding features. In embodiments, attachment tabs surrounded by frangible boundaries are incorporated in the lid and attached to the base by living hinges, such that removal of the lid requires breaking of the frangible boundaries and detachment of the lid from the attachment tabs. Pucker elements associated with the attachment tabs can cause the attachment tabs to pivot away from the lid when the attachment tabs are detached from the lid.

The utility model relates to the technical field of building foundation construction, and mainly provides an assembly type raft foundation connected through pored inserting plates in a grouting mode. The foundation comprises a base body and hole inserting pieces, the base body is provided with a top installation face and two splicing faces symmetrically arranged on the two sides of the top installation face, the splicing faces are perpendicular to the top installation face, the top installation face is provided with a plurality of buttress assembly holes, the buttress assembly holes are arranged in a rectangular array, inserting grooves are formed in the splicing faces, and the hole inserting pieces are arranged in the inserting grooves. One end of each inserting groove communicates with the top mounting face, the base bodies of the multiple assembly type bases are spliced through the splicing faces, the hole inserting pieces are inserted into the spliced inserting grooves, and the hole inserting pieces and the spliced inserting grooves are integrally and fixedly connected through concrete pouring. The problems that in the prior art, in the working process after a prefabricated foundation is combined and assembled, the connection stability is poor, and the working life is difficult to guarantee can be solved.

The utility model discloses a device for dismantling an overline simply supported girder bridge by rotating, which relates to the technical field of bridge dismantling, and comprises a horizontal positioning spherical hinge, an arc-shaped slideway, a plurality of supporting legs, a plurality of supporting legs and a plurality of supporting legs, after the rotating body section and the support are cut and separated, the supporting foot and the horizontal positioning spherical hinge can support the rotating body section, the integrated connecting mechanism is integrally connected with the rotating body section, the temporary cable bent tower is arranged on the rotating body section, and the rotating body mechanism is used for driving the rotating body section to move in the direction away from a line along the arc-shaped sliding way. The overline simply supported girder bridge is split into the rotating body section and the non-rotating body section, the supporting mechanism is reformed through the horizontal positioning spherical hinge, the annular sliding way and the supporting foot, the rotating body mechanism drives the rotating body section to move in the direction away from a line along the arc-shaped sliding way to the position where the line is not affected, and then disassembly and disassembly work is conducted. Lines below the bridge can be completely avoided in the construction process.

The utility model discloses a large shield well supporting structure based on steel ring frame beams, which belongs to the technical field of underground station large shield construction and comprises a plurality of steel ring frame beams which are vertically arranged along a station shield well at intervals. The steel ring frame beam comprises a first steel beam section and a second steel beam section which are transversely arranged along the shield well, and a third steel beam section and a fourth steel beam section which are longitudinally arranged along the shield well; wherein the first steel beam section is connected with a station end wall, the two ends of the second steel beam section are connected with station side walls close to a station middle plate correspondingly, and the third steel beam section and the fourth steel beam section are connected with the station side walls on the two transverse sides correspondingly; a plurality of steel buttress columns are welded between the vertically adjacent third steel beam sections and between the vertically adjacent fourth steel beam sections at intervals, and meanwhile a plurality of steel buttress columns are arranged between the third steel beam section and the station bottom plate and between the fourth steel beam section and the station bottom plate at the lowest layer at intervals. The steel ring frame beam and the steel buttress are convenient to construct and dismantle, and the steel ring frame beam and the steel buttress can be repeatedly used.

The utility model relates to a single tubular pile shipping bracket buttress which comprises an upper buttress plate, a lower buttress plate and a buttress body arranged between the upper buttress plate and the lower buttress plate, the buttress body comprises two pier columns, the two pier columns are symmetrically arranged at intervals with the length direction of the pier columns as the symmetry axis, a connecting plate is arranged between the two pier columns, and the connecting plate is connected with the upper buttress plate and the lower buttress plate. Each pier column comprises three pieces of H-shaped steel which are horizontally arranged side by side, and a reinforcing plate is arranged between the buttress body and the lower buttress plate. The buttress body is composed of the two pier columns, the two pier columns are symmetrically arranged at intervals with the length direction of the two pier columns as the symmetry axis, and each pier column is composed of the three H-shaped steel horizontally arranged in parallel, so that the rigidity of the pier columns is improved, and the bearing capacity of the pier columns is remarkably enhanced; the structure of the H-shaped steel can bear loads in the vertical direction and the horizontal direction at the same time, meanwhile, the integrity of the structure is further enhanced through the arrangement of the connecting plate, and the two pier columns can work cooperatively to jointly resist external loads.

The invention relates to the technical field of bridge construction, and provides a bridge side span post-cast strip-free cast-in-place formwork system and a construction method thereof.The bridge side span post-cast strip-free cast-in-place formwork system comprises a formwork mechanism and a connecting mechanism; the formwork mechanism comprises a temporary support, and the temporary support is arranged between the main span buttress and the side span buttress in a supported mode. A first support is fixed to the top of the temporary support, the two ends of the first support extend to the bottom of the main span section and the position above the side span buttress correspondingly, a second support is arranged above the first support in a supported mode, and the first support is in sliding fit with the second support through a sliding pair; a side span template is mounted and fixed on the second support; the side span template piece is used for pouring a side span section; the connecting mechanism is installed at the bottom of the main span section and connected with the end, close to the main span section, of the second support. The method has the effect that the main span section and the side span sections are integrally constructed.

The invention discloses a method for replacing an assembled elastic solidified ballast bed. The method comprises a preparation stage, a replacement stage and a recovery stage, a construction reference is established through data measurement, a special gantry crane temporary track is laid, the crack resistance of buttresses is strengthened, and a steel rail kerf releases temperature stress, so that high-precision and high-stability operation conditions are provided for subsequent construction; in the replacement stage, efficient replacement of sleepers and nondestructive repair of a ballast bed structure are achieved by adopting a transverse rail shifting cooperation slideway low-resistance design, a new sleeper indirect fine adjustment technology and a dynamic mortar pouring technology; and in the recovery stage, the railway ballast compactness is optimized through high-frequency tamping, a heat affected zone is reduced through narrow-gap welding, and track smoothness and structural integrity are recovered based on BIM line fine adjustment. According to the method, efficient replacement of the assembly type elastic curing ballast bed is achieved, the construction efficiency is improved to the maximum extent, damage to the steel rail is reduced, high creativity and practicability are achieved, and the method is suitable for maintenance and replacement work of various railway tracks.

The invention relates to the field of anti-seismic devices, in particular to a deformable anti-seismic device suitable for a tunnel structure. The anti-seismic structure comprises a base and an inner arch wall arranged on the base, an outer arch wall located on the outer side of the inner arch wall is further arranged on the base, and a plurality of anti-seismic mechanisms are arranged between the outer arch wall and the inner arch wall; the outer arch wall is composed of a plurality of outer arc-shaped units arranged at equal intervals, the inner arch wall is composed of a plurality of inner arc-shaped units arranged at equal intervals, anti-seismic fillers are arranged between the adjacent outer arc-shaped units and between the adjacent inner arc-shaped units, and the two ends of the bottoms of the outer arc-shaped units are connected with the base through outer anti-seismic buttresses. The two ends of the bottom of the inner arc-shaped unit are connected with the base through inner anti-seismic buttresses. During use, gaps between the outer arc-shaped units and gaps between the inner arc-shaped units are connected through anti-seismic filling, so that the inner arch wall and the outer arch wall can adapt to vibration transmission and absorption at various angles, the inner arch wall and the outer arch wall are connected through the anti-seismic buttresses, and the absorption effect on complex vibration is further improved.

The invention provides a large-span through type steel box tied arch bridge wide-width steel box girder pushing system and a construction method, which are particularly suitable for construction of a large-span through type steel box tied arch bridge wide-width steel box girder and ensure the pushing stability and safety of a large-span through type steel box tied arch bridge wide-width steel box girder section. The mounting and dismounting efficiency of the steel box girder pushing rear guide beam is improved, the mounting and dismounting time of a pushing temporary buttress system is shortened, the cost is saved, and good economic and social benefits are obtained.

This utility model relates to the field of civil engineering technology, specifically to a prefabricated assembled ditch. The prefabricated ditch body has outwardly protruding wing plates on both sides, with connection holes on the wing plates. The two end faces of the prefabricated ditch body also have reserved grooves for installing rubber waterstops. The advantages of this utility model are: 1) It is prefabricated in a reinforced concrete factory, ensuring controllable quality and precision; 2) The joints of the prefabricated assembled ditch are sealed with rubber waterstops, providing excellent anti-leakage performance; 3) The prefabricated assembled ditch uses bolt connections, which are fast, efficient, and easy to install and dismantle; in some cases, it can be recycled and reused; 4) The outward protrusion of the concrete structure at the joints of the prefabricated assembled ditch forms buttresses, enhancing the rigidity of the ditch sidewalls; 5) It has good reliability, good innovation and application value, and is worthy of promotion.

A vacuum formed, tamper resistant container resists deformation of the sides thereof that might otherwise permit access to contents of the container without removal of the lid. Downward protruding lid features reinforce the wall of the container base, and buttress features included in the rim of the base extend from a base flange diagonally downward and inward to the inner rim of a recessed shelf, thereby resisting downward rotation of the wall beneath the lid protruding features. In embodiments, attachment tabs surrounded by frangible boundaries are incorporated in the lid and attached to the base by living hinges, such that removal of the lid requires breaking of the frangible boundaries and detachment of the lid from the attachment tabs. Pucker elements associated with the attachment tabs can cause the attachment tabs to pivot away from the lid when the attachment tabs are detached from the lid.

This application relates to the field of buttress formwork technology, and in particular to a semi-circular buttress steel formwork support structure, which includes a first steel plate, a first template, a second steel plate, a second template, connectors, and water-stop tie bolts. The connectors include a connecting body, a first connecting plate, and a second connecting plate, both of which have grooves. The first template includes a limiting plate and two first ear plates, each of which has a protrusion that fits into the groove, and each first ear plate is connected to the first steel plate via connectors. The second template includes an arc-shaped plate and two second ear plates, each of which has a protrusion that fits into the groove, and each second ear plate is connected to the second steel plate via connectors. The first steel plate and the second steel plate are connected and fixed by water-stop tie bolts and nuts. This application improves the problem of water and grout leakage during the construction of circular exterior wall buttresses, thereby improving the construction effect of circular exterior wall buttresses.

A construction method for reconstructing and expanding a ship lock in suit is provided. A flood gate in an upper lock head section of a constructed ship lock is used as a water-retaining cofferdam during a construction period. A remaining part of the constructed ship lock is cut off downstream from a target cutting surface located in a lock chamber section of the constructed ship lock, and a new ship lock is constructed downstream. A bank-side pier structure between the upper lock head section of the constructed ship lock and the new ship lock is cut to a first preset elevation, and two water-retaining and seepage control lines are added, and a cutoff buttress is constructed. An upper navigation wall section of the constructed ship lock and the upper lock head section of the constructed ship lock are reconstructed, and another water-retaining and seepage control line is added.

The utility model belongs to the technical field of pile foundation detection, and particularly relates to a building pile foundation detection device. The device comprises two reinforcing structures which are arranged on the two sides of a test pile and used for mounting buttresses. The reinforcing structure at least comprises two bases, grooves and reinforcing pieces, wherein the grooves are formed in the upper ends of the bases and used for fixing the buttresses, and the reinforcing pieces are arranged at at least one side end of each groove and abut against the side faces of the buttresses. Through the arrangement of the reinforcing structure, the positioning and mounting efficiency of the device is improved, and the construction time is saved; meanwhile, leveling of the device is facilitated, the situation that gaps exist between the device and the surface of foundation soil due to the uneven surface of the foundation soil, and the risk of cracking of the device is increased is avoided, and accurate data measurement is facilitated.

The utility model discloses a geobag flexible retaining wall suitable for a soft soil stratum. The geobag flexible retaining wall comprises an arch ring, a retaining wall bearing platform, a pile foundation, an arch end buttress, a protection foot, an inverted filter layer and an expansion joint. The retaining wall bearing platform comprises a buttress bottom plate and a soilbag bottom plate, the buttress bottom plate and the soilbag bottom plate are fixed to the multiple pile foundations, and the arch ring is formed by arranging a plurality of soilbag bodies in an arch shape and stacking the soilbag bodies in a staggered joint mode. The geobag flexible retaining wall has good horizontal slippage resistance and vertical deformation resistance; the soil engineering bags are stacked to form an arch structure, horizontal acting force behind the wall is transmitted to the arch end buttresses through the arch effect, the soil engineering bags stacked in a staggered-joint mode generate the build-in effect under the arch effect, the anti-sliding performance of the retaining wall is improved, the contact area of the retaining wall and a pile foundation is increased through the expanded bottom plate, the vertical deformation resisting capacity is improved in cooperation with the pile foundation, and the anti-sliding performance of the retaining wall is improved. Compared with a concrete hard retaining wall, the geobag flexible retaining wall is light in weight and beneficial to control of vertical deformation. Vegetation can be planted on the surfaces of the geotechnical bags, and good ecological performance is achieved.

The invention relates to the technical field of building construction, in particular to a supporting system based on a fabricated beam string steel support. Comprising two first upper chord beams, two second upper chord beams, a plurality of pairs of first truss diagonal bracings, a plurality of second truss diagonal bracings and a plurality of truss angle bracings. The two first upper chord beams abut against the two opposite side edges of the foundation pit correspondingly. The two second upper chord beams are arranged on the other two side edges of the foundation pit in parallel, and a frame structure is formed between the two second upper chord beams and the two first upper chord beams. A plurality of second truss diagonal bracings are arranged between the two first upper chord beams at intervals, and the two ends of the second truss diagonal bracings are installed on the two second upper chord beams respectively; the multiple pairs of first truss diagonal bracings are arranged between the two second upper chord beams at intervals. The length of the truss angle brace can be adjusted, and then the end position of the truss angle brace is moved according to the adjusted length of the truss angle brace, so that the truss angle brace drags the first upper chord beam or the second upper chord beam at the certain position, and the stability of a steel structure is enhanced.

The utility model relates to a bridge pushing buttress linking device. The bridge pushing buttress linking device comprises a first-stage linking buttress and a second-stage linking buttress. The first-level chaining buttress is provided with two sets of first-level steel pipe piles buried into soil, one set of first-level steel pipe piles comprises at least three first-level steel pipe piles, every two adjacent first-level steel pipe piles are connected in a parallel connection mode, transfer beams are arranged at the tops of one set of first-level steel pipe piles, and a connecting steel pipe is arranged between every two transfer beams. The second-level linkage buttress is arranged above the first-level linkage buttress, two sets of second-level steel pipe piles corresponding to the two transfer beams and arranged on the corresponding transfer beams are arranged, one set of second-level steel pipe piles comprises at least two second-level steel pipe piles, parallel connection is arranged between every two adjacent second-level steel pipe piles, and a cross beam is arranged at the top of one set of second-level steel pipe piles. Through the up-and-down combination design of the first-stage chaining buttress and the second-stage chaining buttress, efficient transmission and distribution of loads are achieved, the number of buried steel pipe piles is reduced, and the construction cost is reduced.

The utility model discloses a PS-InSAR corner reflector fixing structure suitable for a side slope. The PS-InSAR corner reflector fixing structure suitable for the side slope comprises a supporting rod, a concrete buttress and a fine aggregate concrete pouring body. A corner reflector to be fixed is connected with the concrete buttress through a supporting rod, the concrete buttress is arranged on the fine aggregate concrete pouring body, the fine aggregate concrete pouring body is poured in a side slope unconsolidated bed, the concrete buttress and the fine aggregate concrete pouring body are connected with each other through pre-buried threaded steel bars, and the concrete buttress and the fine aggregate concrete pouring body are connected with each other through the pre-buried threaded steel bars. And the twisted steel penetrates through the fine aggregate concrete pouring body and is inserted into the slope stabilizing layer. According to the PS-InSAR corner reflector fixing structure, the stability of the mounting base is ensured, and the safety and the stability of the corner reflector in extreme weather such as strong wind and rainstorm are greatly improved.

The invention discloses a green assembly type piled anchor wall collaborative structure and a design method and a construction method thereof, the green assembly type piled anchor wall collaborative structure comprises a plurality of slide-resistant piles which are vertically arranged, a counterfort type retaining wall is arranged above the slide-resistant piles, and a retaining wall heel slab at the bottom of the counterfort type retaining wall and the pile tops of the slide-resistant piles are rigidly anchored through an anchoring assembly; the anchor cable penetrates through the counterfort retaining wall and then is embedded into a side slope soil layer, active prestress is applied through tensioning, landslide thrust is shared, and the anchor cable is combined with the slide-resistant piles and the counterfort retaining wall to form a space stress system. The anchor cable prestress value is dynamically optimized through an algorithm, when the maximum value of the pile side stress of the pile-soil contact face exceeds a preset threshold value, dynamic operation is ended, and the optimal anchor cable prestress value and the width of the retaining wall heel slab are checked and determined. The problems that in the construction process of an existing piled anchor wall structure, environment resources are damaged, the construction period is long, and cost is high are solved.

The utility model relates to the technical field of building and municipal engineering, in particular to an anti-push structure of a buried pressure pipeline. A buttress is arranged at a pipeline internal pressure direction changing node, a supporting structure is arranged on one side generating thrust, the buttress and the supporting structure are tightly attached or connected through a support and an enclosing purlin, undisturbed soil is arranged on the back face of the supporting structure, and the thrust is balanced through passive soil pressure of the undisturbed soil. The supporting structure can utilize fender posts during excavation and can also be driven separately. According to the scheme, the size of the buried pressure pipeline buttress can be greatly reduced, the original flexible connector connecting mode of the pipeline does not need to be changed, and therefore the construction cost is reduced, the construction progress is accelerated, and the advantages of being high in economical efficiency and simple in construction process are achieved.

The utility model discloses a kind of buttress structures for pipeline support, it is related to pipeline buttress technical field, including base and pipeline body, the two sides of base top corresponding are all equipped with two supports, the top of four supports is equipped with support platform, trapezoidal placing groove is opened in the inside of support platform, the inside of support platform and located trapezoidal placing groove corresponding two sides are all equipped with sliding slot, slidingly connected with support rod in the inside of sliding slot.The utility model has the beneficial effect that: the buttress structure for pipeline support, by the thread connection of support rod bottom support plate and threaded rod, it is convenient to drive the descending of special-shaped clamp between support rod, while clamping pipeline, under the action of sliding type structure between first positioning block, second positioning block, third positioning block in special-shaped clamp, it can be adhered to the surface of pipeline of different diameters, and cooperate with trapezoidal placing groove in support platform, it is favorable to stably clamping and fixing pipeline.

The invention provides a water tank device and a containment assembly, the water tank device is applied to a containment of a nuclear power station, the containment is of a prestressed concrete structure and is a single-layer containment, buttresses are arranged on the outer surface of the containment, and the water tank device comprises at least two water tanks, at least one end of each water tank in the at least two water tanks abuts against the buttress, the at least two water tanks are connected through a connecting water pipe, and the connecting water pipe and the buttress are oppositely arranged. Therefore, according to the stress characteristics of the concrete structure water tank and the prestressed containment structure, the problem that the concrete structure water tank is externally hung after a double-layer containment is optimized into a single-layer containment is solved.

The utility model relates to the field of building construction devices, in particular to a secondary structure steel frame beam auxiliary installing and positioning component which comprises a positioning square pipe used for bearing welding of a steel beam, the positioning square pipe abuts against the outer side wall of a steel column, and the upper end face of the positioning square pipe is used for bearing the steel beam. The outer side wall of the positioning square pipe is provided with a fixing piece used for being positioned with a steel column. The fixing part comprises a supporting rod fixedly installed on the side wall of the positioning square pipe, a ball head is arranged at the end of the supporting rod, the diameter of the ball head is larger than that of the supporting rod, a square frame is fixedly installed on the end face of the positioning square pipe, an elastic pipe is fixedly installed at one end of the square frame, and a positioning ring is fixedly installed at the end of the elastic pipe. A locking piece is installed in the square frame and comprises a sliding groove formed in the inner side of the square frame, a movable frame is installed in the sliding groove, a winding drum is rotatably installed in the movable frame, and a locking rope is wound on the winding drum.

The utility model discloses a temporary steel water fender structure which comprises a plurality of sections of temporary water fenders formed by combining the temporary water fenders. Each section of temporary water baffle comprises a water baffle panel, a supporting truss structure arranged on the back of the water baffle panel, a front supporting structure and a rear supporting structure, wherein the front supporting structure and the rear supporting structure are arranged at the two ends of the water baffle panel and the two ends of the supporting truss structure respectively. The beneficial effects of the utility model are that: 1, the utility model adopts a standardized structure, is manufactured in factories and assembled on site, and is simple in structure and convenient to install; 2, the mounted water retaining panel adopts a vertical cantilever supporting structure, so that the width application is flexible as long as a single section meets the water retaining requirement; a triangular truss structure is arranged on the back of the water retaining panel, buttresses are arranged on the rear portion of the water retaining panel for tight contact, front and rear supporting seats are arranged at the bottom of the water retaining panel, connection is reliable, water pressure can be well transmitted to the buttresses and the bottom plate, and the structure is stable; and 4, the support is connected with the connecting plate through a bolt, and is connected with the embedded part after being positioned, so that the water-retaining door plate is convenient to disassemble and reuse, and the water-retaining door plate is an integral body and can be reused.

The utility model discloses a kind of for pipe pile anti-pulling static load testing device, it is related to pipe pile anti-pulling test technical field, the for pipe pile anti-pulling static load testing device includes two main girder buttress, the top of two main girder buttress is fixedly installed with main girder main body, the bottom of two main girder buttress is connected with ground, the inside of ground is installed with pipe pile main body, the top of main girder main body is fixedly installed with jack, the output end of jack is penetrated main girder main body and is connected with force transmission rod, the outside of force transmission rod is slidably installed with connecting plate, the top of pipe pile main body is fixedly installed with mounting plate, the inside of mounting plate is equipped with fastening mechanism. The utility model is through the setting of fastening mechanism, when pulling out pipe pile main body, fastening mechanism is contacted with the inner wall of pipe pile main body, and fastening mechanism is also fixed with the bottom of force transmission rod, so that fastening mechanism shares the tension of bolt, more stable in anti-pulling test, improve the precision of test.