6896results about "Underwater structures" patented technology

The invention provides a box culvert jacking attitude intelligent control method and system based on digital twinning, and relates to the technical field of attitude control. Structural parameters of a box culvert entity, parameters of a construction environment, and elevation change data and axis offset data in a jacking process are obtained, and the two kinds of data are integrated to obtain a box culvert jacking attitude intelligent control system; generating a box culvert jacking attitude data frame sequence; according to box culvert entity reference information in the model and the updated box culvert real-time state information, combining the box culvert jacking attitude data frame sequence to determine box culvert actual attitude parameters, comparing the box culvert actual attitude parameters with box culvert design attitude parameters, determining attitude deviation types and attitude deviation values corresponding to the box culvert axis direction and the box culvert height direction respectively, and calculating the box culvert jacking attitude data frame sequence according to the attitude deviation types and the attitude deviation values. According to the method, the attitude adjustment control instruction is generated according to the attitude of the box culvert, so that the equipment drives the jack to adjust the jacking attitude of the box culvert according to the instruction, dynamic synchronization and accurate mapping of the structural state in the jacking process of the box culvert are realized, and the real-time performance, the accuracy and the control robustness of attitude adjustment are improved.

The invention relates to the technical field of concrete structure construction, and discloses a super-long concrete post-cast strip structure and a manufacturing method.The structure comprises an interface treatment layer, a fiber grid layer, a micro-expansion concrete layer and a steel fiber protection layer which are sequentially arranged from bottom to top, and the interface treatment layer is used for providing combination transition of new concrete and old concrete; the fiber grid layer is used for achieving deformation constraint and stress transfer, the micro-expansion concrete layer is used for forming an autonomous compensation deformation area, and the steel fiber protection layer is used for providing final structure protection and load distribution. The interface treatment layer is a concrete base surface treated by high-pressure water jet, and is coated with a silane-based interface treatment agent. The bonding strength of new concrete and old concrete is enhanced through the interface treatment layer, the fiber grid layer provides effective deformation constraint, the micro-expansion layer achieves automatic shrinkage compensation, the steel fiber layer controls crack development, the layers are matched with one another to form a complete anti-crack system, the problem that the anti-crack performance of a traditional post-cast strip is insufficient is solved, and the overall anti-crack performance is improved.

The invention relates to hybrid fiber reinforced ultrahigh-performance geopolymer concrete as well as a preparation method and application thereof. Slag, metakaolin and silica fume are used as precursor materials of geopolymer concrete, a sodium hydroxide-water glass solution is adopted to compound an alkali activator, and steel fibers, polyvinyl alcohol fibers and modified glass chopped fibers of different sizes are mixed and doped, so that the brittleness of the geopolymer concrete is remarkably improved, and the service life of the geopolymer concrete is prolonged. The early strength and the high temperature resistance are improved. The hybrid fiber reinforced ultrahigh-performance geopolymer concrete has the characteristics of low carbon emission, ultrahigh strength, high temperature resistance, high durability and the like, and can meet the use of the geopolymer concrete in actual engineering. According to the ultrahigh-performance geopolymer concrete, solid waste resources are utilized at the same time, carbon emission in the concrete production process is reduced, and the ultrahigh-performance geopolymer concrete is environmentally friendly, low in carbon, ultrahigh in strength, easy to prepare and capable of being suitable for complex environmental engineering structures such as tunnels, bridges and high-rise buildings.

The application discloses an underwater data center, which comprises a pressure cabin, an outer frame, a lifting structure, a pipeline structure, a server cabinet inside the pressure shell, an inspection lifting structure, a fixing and moving mechanism, and an internal state monitoring system; the pressure cabin is a closed structure formed by the pressure shell, and at least one pressure cabin entrance structure is arranged on the surface of the pressure cabin; the lifting structure comprises a hydraulic jacking oil cylinder and a lifting guide column; the server cabinet is arranged in an array in the pressure shell, and is fixed and moved by the fixing and moving mechanism at the upper end and the lower end for control. The application can realize efficient water-out and water-in actions by using the lifting mechanism; the application is suitable for high-stable underwater cooling of a large-volume high-density data center system; the pressure cabin entrance is provided, so that the inspection personnel can enter the pressure cabin for inspection without water-out, and the working efficiency and use efficiency are high; and the state monitoring system ensures high safety of the internal environment and timeliness of risk discovery.

The invention discloses a comprehensive detection processing and analysis method and system for a deep foundation trench of an immersed tunnel, and relates to the technical field of data processing, and the method comprises the steps: firstly carrying out the acoustic calibration of a multi-beam array in a foundation trench region, and compensating a beam incident angle and echo delay, so as to eliminate systematic sounding errors; then macroscopically scanning the foundation trench based on the corrected sounding equipment to generate a high-resolution three-dimensional point cloud, identifying abnormal elevation change in real time and dynamically adjusting the dredging depth; then multi-frequency acoustic detection is carried out on the silt sediment, a float sludge thickness cloud picture is drawn to evaluate a loose structure, and targeted compensation is carried out; finally, the topographic form and the sediment structure change are jointly used for construction early warning, a closed-loop system from precision calibration to anomaly detection to physical property diagnosis and risk early warning is formed, the precision and integrity of foundation trench depth measurement and sludge monitoring are remarkably improved, potential risks can be found and corrected in time in construction, and the construction efficiency is improved. And the construction safety and efficiency of the immersed tunnel deep foundation trench are guaranteed.

The invention discloses an integrated seabed data center structure based on a negative pressure barrel foundation, the integrated seabed data center structure comprises a negative pressure barrel body, a data center cabin is integrally formed on the top surface of the negative pressure barrel body, and a circulating cooling pipe is arranged in the data center cabin. Large-scale construction of the submarine data center can be realized, structural parameters of the negative pressure barrel and the data center cabin can be adjusted according to construction requirements, and a plurality of data cabins can be mounted in the data center cabin, so that the whole data center cabin shares one negative pressure barrel foundation, and the construction cost of the submarine data center is reduced; the negative pressure barrel body and the data center cabin are prefabricated through concrete, compared with steel materials, the economical efficiency is better, the construction cost is reduced, meanwhile, seabed sinking installation of the data center cabin is achieved through the negative pressure principle, large piling equipment is not needed, and the installation speed is high.

The invention discloses a tailing pond underground anti-seepage wall grooving and quincunx curtain grouting synergistic process, and relates to the technical field of grouting collaboration.The tailing pond underground anti-seepage wall grooving and quincunx curtain grouting synergistic process comprises the following steps that S1, anti-seepage wall bodies are constructed in a foundation of a to-be-treated area, the anti-seepage wall bodies are continuously arranged along the treatment axis, a wall body groove section is formed through the underground grooving technology, and the wall body groove section is formed; s2, curtain grouting treatment is synchronously or firstly carried out on the lower area or the upstream side of the anti-seepage wall body, a multi-row sequential hole arrangement mode is adopted for curtain grouting, grouting holes are arranged in a staggered or quincuncial mode, a continuous curtain anti-seepage layer is formed, and the anti-seepage wall body is formed; and S3, the anti-seepage wall and the curtain grouting bodies are provided with lap joint areas in the vertical direction or the horizontal direction, and a wall-curtain integrated anti-seepage structure is formed. The plastic concrete anti-seepage wall is constructed in the foundation, the multiple rows of quincunx curtain grouting bodies are arranged in the foundation, and the lap joint structures are arranged between the plastic concrete anti-seepage wall and the multiple rows of quincunx curtain grouting bodies; unification of structural stability and anti-seepage continuity of the underground anti-seepage system is achieved.

The invention belongs to the technical field of electromechanical engineering and power transmission and transformation, and particularly relates to a multi-loop gas insulation power pipe gallery, a power transmission system and a control method. The multi-loop gas insulation electric power pipe gallery comprises a controller and a pipe gallery main body. The pipe gallery main body comprises a pipe gallery outer wall, two bus bars installed in the pipe gallery outer wall, a plurality of connecting buses, a standby pipeline bus and a plurality of single-phase pipeline buses. The standby pipeline bus, the two bus bars and the gas insulation pipeline bus assemblies are fixedly installed in the outer wall of the pipe gallery through fixing structures. The standby pipeline bus is connected between the two bus bars; the single-phase pipeline bus comprises a first connecting section, a first main body section and a second connecting section which are sequentially arranged along the axial direction; the two ends of each first main body section are respectively connected with the two bus bars through a connecting bus bar, the two ends of each first main body section are respectively provided with an isolating switch, and each connecting bus bar is provided with an isolating switch; and the controller is used for controlling the on-off of each isolating switch.

The utility model discloses an assembly type pipe gallery assembling rack, and belongs to the technical field of pipe gallery construction, the assembly type pipe gallery assembling rack comprises a ground rail, a movable base, a supporting mechanism, an assembly supporting plate, an auxiliary positioning piece and a traction driving mechanism, the movable base comprises a bottom plate, boundary beams are fixedly arranged on the two sides of the lower end face of the bottom plate, and rolling wheels are rotatably arranged on the boundary beams; the auxiliary positioning piece comprises a guiding piece fixedly arranged on the assembly supporting plate and an inserting piece arranged in the assembly type pipe gallery top plate. Under the common guiding effect of the arranged guiding piece and an inserting piece in the assembly type pipe gallery top plate, the pipe gallery top plate can be placed at the designated position on the assembly supporting plate, then the traction driving mechanism drags the movable base to the designated position along the ground rail, and then the supporting mechanism works to lower the assembly supporting plate; the pipe gallery top plate placed on the pipe gallery top plate assembling device can be assembled to a designated position, and manual auxiliary positioning work and temporary support building work can be omitted.

The invention discloses an ecological brick and a preparation method thereof, and belongs to the technical field of ecological building materials. The ecological brick adopts a layered composite structure design, and comprises an outer anti-scouring protective layer, a middle buffer energy-absorbing layer and an inner ecological functional layer which are sequentially arranged from outside to inside, and diversion trenches with the width of 2mm and the depth of 1.5 mm are formed among micro-bulges to form latticed distribution. The preparation method comprises the four key steps of material pretreatment, layered pouring, bionic forming and intelligent maintenance. In the material pretreatment stage, Yellow River fine sand is screened and cleaned, straw fibers are soaked and modified through a sodium hydroxide solution, and basalt fibers are subjected to surface treatment through a silane coupling agent. And the layered pouring adopts a three-cavity mold system to realize accurate layer thickness control. Through the innovative structural design and preparation process, the anti-scouring performance and ecological function of the ecological brick are remarkably improved, compared with a traditional slope protection brick, the scouring loss is reduced by 42%, the plant survival rate reaches 89%, and an advanced technical solution is provided for water and soil conservation and ecological restoration engineering.

The invention provides an anti-wave structure and an anti-wave method suitable for offshore new energy engineering, and belongs to the technical field of offshore new energy engineering, the anti-wave structure comprises a mounting cylinder fixed on the bottom end face of an offshore equipment platform, and an energy consumption assembly is arranged on the mounting cylinder; the energy consumption assembly comprises an outer side fixing ring and a friction metal ring, the outer side fixing ring is fixed to the outer wall of the mounting cylinder, the friction metal ring is arranged on the mounting cylinder in a sleeving mode and located below the outer side fixing ring, and the top of the friction metal ring is rotationally connected with the outer side fixing ring through a fixing ring sleeve; an annular friction strip is arranged at the position, close to the bottom of the friction metal ring, of the friction metal ring, and the surface of the annular friction strip is attached to the rough face in the friction metal ring. A wave receiving disc is arranged at the bottom end of the friction metal ring. According to the structure, through the deformation-friction synergistic effect, the wave impact effect of the offshore equipment platform under the complex sea condition is effectively weakened, and the wave resistance of the offshore equipment platform is improved.

The invention discloses a system and a method for automatically measuring pipe network parameters based on three-dimensional scanning of a wellhead of an inspection well, and belongs to the technical field of municipal engineering measurement. The system comprises a wellhead fixing assembly, a three-dimensional laser scanning assembly, a posture sensing assembly, a distance measuring assembly, a coordinate input assembly, a control processing assembly and a telescopic rod assembly. According to the method, through system deployment leveling, coordinate reference establishment, working condition judgment, point cloud acquisition, data processing and result output, automatic measurement of inspection well depth, pipe network pipe diameter, pipeline trend and pipe orifice center coordinates is realized. The system is fixed at a wellhead, does not need to descend, and adapts to scenes such as shallow wells / deep wells and good / weak signal areas; based on a high-density point cloud and an automatic algorithm, the measurement precision is high, the efficiency is improved, and output data can be directly used for pipe network modeling. The method solves the problems of low efficiency, strong manual dependence and poor safety of traditional measurement, and is suitable for parameter measurement of various inspection wells and pipe networks.

The invention discloses an irrigation channel maintenance cofferdam system and a maintenance method, the system comprises a vehicle body with an arm, a rotating device, a cofferdam device and a sealing structure, a cantilever is hinged to the tail end of a working arm of the vehicle body with the arm, the rotating device is mounted at the lower end of the cantilever, and the cofferdam device is mounted at the lower end of the rotating device; the cofferdam device comprises a first baffle and second baffles, the two second baffles are installed at the left end and the right end of the first baffle correspondingly, an included angle is formed between each second baffle and the first baffle, and sealing structures are installed on the lower sides of the first baffle and the second baffles and the sides, away from the first baffle, of the second baffles correspondingly. A connecting base is installed on the upper side of the first baffle and connected with the rotating device. When the cofferdam device is installed, the cofferdam device is fixed through the working arm of the truck body with the arm, and the cofferdam device is more convenient to install.

The invention discloses an anti-scour siltation promotion fixing device for an offshore platform pile foundation, which is provided with an inner pile casing, an outer pile casing, a protective ring and a bottom plate, siltation holes and flow blocking thorns are arranged in the outer pile casing, and grids are arranged in the bottom plate; the inner pile casing and the outer pile casing are connected through the connecting rod, and the protective ring and the bottom plate are sequentially connected to the lower end of the outer pile casing. The scour prevention and siltation promotion device is installed outside the pile foundation. The device has the functions of scour prevention and siltation promotion, silt in the device can be deposited, the protection effect on a pile foundation and the device is achieved, the device has the function of preventing seabed scour, the stability of the device can be improved through silt deposition in the device, and the device can be effectively prevented from being scoured again by ocean currents. The pile foundation is simple in structure and reasonable in design, can play an effective role in scour prevention and siltation promotion around the pile foundation, and is suitable for all ocean engineering platform pile foundations, such as offshore oil platforms, wind power platforms and other ocean engineering platforms.

The present invention relates to the technical field of immersed tube construction, and in particular to a variable-cross-section template and a construction method for a variable-cross-section immersed tube. The variable-cross-section template comprises an inner template system and an outer template system, wherein the inner template system is located inside the outer template system; two outer sides of the inner template system are provided with first inclined faces inclined inwardly toward each other, two inner sides of the outer template system are provided with second inclined faces inclined inwardly toward each other, and each second inclined face corresponds to the first inclined face on the same side; and casting is performed in an area between the inner template system and the outer template system to form an immersed tube. During the casting of the immersed tube, an inclined side wall is provided between each second inclined face and the first inclined face on the same side to form a flared section of the immersed tube, and then the immersed tube enables lane confluence by means of the flared section. The immersed tube is cast by means of the variable-cross-section template of the present application, so that the immersed tube has the flared section, and the variable-cross-section immersed tube is formed, thereby meeting the construction requirements.

The invention relates to grid laying equipment for immersed tunnel backfilling and an immersed tunnel backfilling method, belongs to the technical field of subsea tunnel construction, and aims to solve the problem that grids are difficult to lay accurately in existing immersed tunnel backfilling construction. The grating laying equipment for immersed tunnel backfilling comprises a first track, a second track, a charging mechanism, a configuration mechanism, a traction mechanism and a fixing device. The two first rails are arranged on the two sides of the immersed tunnel in parallel. The loading mechanism is movably arranged on the first track and is used for loading a grating roll; the configuration mechanism is communicated with the loading mechanism, is used for receiving the grating roll and can adjust the stretching end of the grating roll to the discharge port; the second rail is arranged perpendicular to the first rail and can slide along the first rail; the stretching end of the grid roll is pulled by the pulling mechanism, so that the gravel layer is fully paved with the grid; and the laid grating layer is fixed on the rubble layer by using a fixing device. According to the application, the accurate laying of the grating in the backfill construction of the underwater immersed tube tunnel is realized.

The utility model discloses a high-strength light bamboo-based fiber cable well cover plate which comprises a cover plate seat and a plate body which are arranged at the top of a cable well, the plate body is made of light bamboo-based fibers, the lower end of the plate body extends to be provided with an arch-shaped cavity, the upper end of the plate body is rotatably provided with a magnetic plate, and the magnetic plate is provided with a magnetic cavity. The lower end of the cover plate base is sleeved with a sleeving base connected with a cable well, the plate body is located at the upper end of the sleeving base and used for high-strength supporting of the cover plate and the cable well, the arched cavity is located on the inner side of the cover plate base, the upper end of the cover plate base and the upper end of the plate body are located at the same horizontal height, and a plurality of connecting bolts are arranged on the sleeving base in a penetrating mode. And the sleeving seat is connected with the cover plate seat and the cable well through connecting bolts. The self weight of the cable well cover plate can be reduced, the cable well cover plate has an anti-theft function, maintenance personnel can open a cable well conveniently, the supporting strength of the cable well cover plate to objects and pedestrians above is improved, and the structural stability of the cover plate is improved.

The invention relates to the technical field of crossing of hydraulic engineering and bridge engineering, and discloses a high soil retaining wing wall type bridge abutment system which comprises a flat pressing type empty box buttress type supporting and retaining structure, a three-dimensional drainage system and a U-shaped foundation trench wrapped light filler structure. The flat pressing type empty box buttress type retaining structure serves as a main body bearing structure of the abutment system. The three-dimensional drainage system is arranged in a backfill area of the flat pressing type empty box buttress type retaining structure; the U-shaped foundation trench wrapping light filler structure is arranged above the three-dimensional drainage system and located on the rear side of the flat pressing type empty box buttress type supporting and retaining structure so as to replace a part of backfill soil. The flat pressing type empty box buttress type supporting and retaining structure, the three-dimensional drainage system and the U-shaped foundation trench wrapped light filler structure are closely connected in space and synergistically act functionally, and the comprehensive effects of reducing structural load, optimizing stress distribution and improving overall stability are jointly achieved.

The invention belongs to the field of underground traffic engineering, and relates to a construction method and structure for constructing a transfer node through an underground excavation underneath pass operation station. The newly-built station and the existing operation station are in T-shaped node transfer, when the existing operation station is constructed in the early stage, transfer nodes are implemented in different periods, and a plurality of supporting piles and supporting beams are reserved below a bottom plate in the range of the transfer nodes, so that the safety of the existing operation station is protected when the transfer nodes are subjected to underground excavation construction in the later stage. When a newly-built station adjoins an operation station, open excavation and sequential construction are carried out to complete a main body structure, fender posts within the height range of the operation station are broken, new and old structures are connected, fender posts within the negative three-layer range of a transfer node are broken, and underground excavation construction is carried out in a joint control mode of excavation face zoning and longitudinal step-by-step excavation to penetrate through the existing operation station. And the reserved pile foundation is broken according to needs, stable stress conversion is achieved, and the safety of an operation station above is ensured. According to the method, the construction risk can be effectively controlled, the safety of underground excavation and underneath crossing of the existing operation station is achieved, then the transfer function is achieved, and good economic benefits are obtained.

The invention discloses an assembly type ocean suction type caisson foundation structure and a construction method thereof, and belongs to the field of caissons, the assembly type ocean suction type caisson foundation structure mainly comprises a caisson assembly, the caisson assembly comprises a plurality of sets of assembly type caisson bodies, reinforcing steel bars are fixedly installed in the caisson bodies, open holes are formed in the caisson bodies, oblique openings are formed in the bottoms of the caisson bodies, and the caisson bodies are fixedly installed in the open holes. According to the fabricated ocean suction type caisson foundation structure and the construction method thereof, the bionic plates and the caisson body can enter the sea together, so that the holes can make contact with seawater, and therefore the bionic plates simulate the reef environment through the holes; according to the caisson, a habitat is provided for marine organisms, a food chain is constructed, an ecological chain is repaired, biological diversity is improved, wave force can be weakened, base scouring can be reduced, structural fatigue damage can be reduced in engineering, meanwhile, a protective layer is formed through biological attachment, and caisson durability is improved.

The invention discloses a soft soil foundation embankment heightening and widening structure and a construction method, and belongs to the field of water conservancy projects. In order to solve the problems of uneven settlement, landslide instability and overlarge occupied area easily occurring when the soft soil foundation embankment is heightened and widened, the structure comprises precast concrete piles (top beams and ripraps are arranged on the tops of the piles) densely arranged at the slope toe outside the embankment, an inner side cantilever retaining wall (with drainage holes and a gravel inverted filter), geogrids laid in backfill soil in a layered mode, and CFG piles arranged on the lower portion in a plum blossom shape. The guardrail base and the flower bed are integrally poured with the retaining wall. The construction method comprises the steps of slide-resistant pile construction, earthwork excavation, CFG pile construction, retaining wall pouring, embankment body backfilling and embankment top road construction. Bidirectional control over settlement and horizontal displacement is achieved through cooperation of multiple structures, variable-stiffness leveling can be achieved by adjusting parameters of the CFG piles, and the variable-stiffness leveling structure has the advantages of skid resistance, stability, landscape optimization and land occupation saving and is suitable for soft soil foundation embankment upgrading and reinforcing projects.

The invention discloses an underground comprehensive pipe gallery for sponge city rainwater regulation and storage, and belongs to the technical field of comprehensive pipe galleries, the underground comprehensive pipe gallery comprises a regulation and storage pipe gallery box culvert and a water storage pipe gallery box culvert, the regulation and storage pipe gallery box culvert and the water storage pipe gallery box culvert each comprise an upper functional area and a lower treatment area, and each lower treatment area comprises a water inlet area, a settling area and a water outlet area which are sequentially arranged; a water inlet area of the water regulation and storage treatment area is communicated with the water inlet channel, a water storage pump is arranged in a water outlet area of the water regulation and storage treatment area and connected with a water storage capsule in the water storage pipe gallery box culvert through a pipeline, and a calling pump is arranged in the water storage capsule and connected with the water outlet channel of the water regulation and storage pipe gallery box culvert through a pipeline. According to the underground comprehensive pipe rack for rainwater regulation and storage of the sponge city, rainwater is stored after being subjected to precipitation treatment, the water storage capsules are adopted for water storage, the water storage capsules are arranged in the second water supply culvert, the occupied area is small, and the water storage capacity is improved.

The utility model discloses a turnover type pile shoe for stabilizing a pile leg, the pile shoe is provided with a plurality of shoe feet and an assembly seat, the shoe feet are circumferentially arranged at the lower end of the pile leg, each shoe foot is provided with a connecting end and a turnover end, the assembly seat is arranged at the connecting end of each shoe foot, the connecting end of each shoe foot is movably connected with the lower end of the pile leg through the assembly seat, and the turnover end of each shoe foot is connected with the lower end of the pile leg. The overturning end of the shoe foot extends in the direction away from the pile leg. When the pile leg is installed, the overturning end of the shoe foot makes contact with the seabed firstly, and the overturning end is overturned outwards along with gradual sinking of the pile leg till the shoe foot is perpendicular to the pile leg; when the pile leg is lifted, the overturning end is overturned downwards to the position under the lower end of the pile leg under the action of self weight along with gradual rising of the pile leg. The structure is simple, installation and maintenance are easy, the manufacturing cost is low, the contact area between the pile leg and the seabed is increased, the positioning and installation stability of the pile leg on the seabed is improved, and the pile leg is safe and convenient to hoist.

An offshore industrial complex for raw gas extraction, treatment, and processing includes a gravity-based structure (GBS) with a topside on it, including a drilling facility with drilling rig, flare unit, process equipment for raw gas treatment and processing as modules, and living quarters. The GBS has central and protruding parts. The central part is a rectangular prism with a top slab, on which the process equipment is installed. The protruding part stretches along the central part sides and has vertical external walls. The central and protruding parts share a base slab, the protruding part being lower in height than the central part. The central part has longitudinal and transverse walls that form compartments, including ballast compartments and compartments accommodating storage tanks for respective processed products. The protruding part has internal walls that are perpendicular to its external walls and form ballast compartments.

The invention discloses a prefabricated welded water-stop steel plate column stirrup column penetrating structure, tool and construction method, and the construction method comprises the following operation steps: step 1, taking a section of water-stop belt steel plate as a column inner plate water-stop belt, and preparing a prefabricated welded water-stop steel plate column stirrup column penetrating tool, the prefabricated welded water stop steel plate column stirrup column penetrating tool comprises a fixing tool and a clamping tool, and a column inner plate water stop belt is fixed to the fixing tool; the invention relates to the technical field of water stop steel plate column penetrating construction, and has the beneficial effects that a column inner plate water stop belt and a multi-bend column stirrup are pre-welded and spliced in a factory through the prefabricated welding water stop steel plate column stirrup column penetrating tool to form a prefabricated assembly; during construction, only the prefabricated assembly needs to be directly sleeved with the longitudinal rib and bound, operation is easy, the construction efficiency is improved, the construction period is shortened, a large amount of welding work does not need to be conducted on a building site, and the safety coefficient is increased.

The invention discloses a combined type seafloor data center breakwater system which comprises a honeycomb protection layer, an energy dissipation middle cavity layer, a supporting wall layer and a flow guide adjusting mechanism, and the honeycomb protection layer, the energy dissipation middle cavity layer, the supporting wall layer and the combined type seafloor data center are sequentially arranged in the water flow and wave direction. The flow guide adjusting mechanism is installed on the supporting wall layer, the honeycomb protection layer and the energy dissipation middle cavity layer, the supporting wall layer and the honeycomb protection layer communicate with each other, the flow guide adjusting mechanism is used for adjusting the overflowing area of water flow flowing to the combined type seabed data center, and therefore the flow speed of the water flow is adjusted, and the honeycomb protection layer and the energy dissipation middle cavity layer are used for weakening vibration energy in waves. And the flow velocity influence of water flow is reduced. Wave dissipation and heat dissipation of the combined type seabed data center are well achieved, and the wave dissipation efficiency can be adjusted according to the sea condition.

The utility model discloses a circular working well main body structure which comprises a cylindrical hollow side wall, a top plate located at the top is arranged at the upper end of the side wall, a bottom plate located at the bottom is arranged at the lower end of the side wall, #-shaped crossed internal partition walls are arranged in the internal space of the side wall, and the internal partition walls divide the internal space. And four shield launching and receiving holes are reserved in the lining wall on the inner side of the side wall. According to the utility model, the inverted circular lining wall and the enclosure structure form a superposed side wall, the support rigidity of an internal #-shaped crossed longitudinal and transverse beam (wall) system is large, and structural members are permanently and temporarily combined, so that the stability of the multi-hole structure of the ultra-deep circular working well is enhanced, and the formation deformation is effectively controlled. The longitudinal and transverse beam (wall) system is reasonable in space layout, plate span is reduced, a self-balancing space stress system is formed, the thickness of the top plate and the thickness of the bottom plate are small under the condition of large burial depth, the plate face is flat, arching is not needed, construction is convenient, and space utilization is reasonable.

The utility model belongs to the technical field of hanging and supporting formwork structures, and particularly relates to a basement roof post-cast strip butterfly-shaped double-spiral hanging and supporting formwork structure which comprises a supporting outer barrel rod and a supporting screw rod connected to the interior of the supporting outer barrel rod, and the top end of the supporting screw rod is connected with a supporting plate. The butterfly-shaped double-spiral type hanging and supporting formwork structure is placed at the position of a crack of a post-cast strip of a basement top plate, then the supporting plate is in contact with the supporting outer barrel rod, the adjusting spiral block is connected to the top end of the supporting outer barrel rod, the limiting ring is connected to the bottom face of the adjusting spiral block, and the bracket rod barrel is connected to the surface of the supporting screw rod. Meanwhile, the bracket supports the steel pipe beam, the supporting plates at the two ends of the bracket are stretched to drive the limiting grooves in the side edges of the supporting plates to slide along the surfaces of the limiting blocks, and then the nuts are screwed on the surfaces of the screws, so that the transverse size of the bracket is conveniently adjusted, and the hanging formwork structure is conveniently suitable for post-cast strip cracks in different environments; and the practicability of the butterfly-shaped double-spiral type suspended formwork structure is improved.

An improved securable temporary manhole or catch basin cover is disclosed herein. In one embodiment, the cover comprises a central segment attached to an inflatable element, which may be a bladder, tube, or tire. In another embodiment, an apron and / or a caulking layer is provided for the protection of the cover. Depending on the embodiment, the cover may be used with or without the apron and / or the caulking layer. In an alternate embodiment, the central segment comprises a plurality of tightening mechanisms around a perimeter of the central segment. Regardless of the embodiment, the cover disclosed herein is a unique, portable, and durable solution that improves the state of the art by facilitating the prevention of debris from falling into the sewers and allowing for easy removal of said debris from the top of the cover.

The invention relates to a deep sea island tough wharf capable of resisting bidirectional earthquake action, comprising: a panel, the bottom of which is provided with a panel beam; the supporting piles are arranged in a scattered mode in the extending direction from the sea face to the land and comprise straight pile bodies and crossed pile bodies, the straight pile bodies comprise the first straight pile bodies and the second straight pile bodies, the first straight pile bodies are arranged on the offshore side in rows, and the second straight pile bodies are arranged on the near-land side in rows; the crossed pile bodies are arranged between the first straight pile body and the second straight pile body in rows; the first bidirectional damping device is arranged at the top of the first straight pile body, one end of the first bidirectional damping device is connected with the first straight pile body, and the other end of the first bidirectional damping device is connected with the panel beam; the second two-way damping device is arranged at the top of the cross pile body, one end of the second two-way damping device is connected with the cross pile body, and the other end of the second two-way damping device is connected with the panel beam. By optimizing the arrangement of the pile bodies of the wharf and arranging the damping device in a combined mode, the energy dissipation capacity and the overall stability of the wharf under the bidirectional earthquake effect are effectively improved.