4733results about "Protective foundation" patented technology

The invention relates to the field of civil engineering waterproof materials, in particular to a nano bentonite-polymer composite material with high salt tolerance and a preparation method thereof, and the nano bentonite-polymer composite material is especially suitable for a sodium-based bentonite waterproof blanket in a saline soil area or a marine environment, and the preparation method comprises the following steps: (1) preparing nano bentonite lamellar colloidal dispersion liquid; (2) introducing and mixing an electrostatic screening agent and a polymerizable monomer; (3) carrying out in-situ free radical polymerization reaction; and (4) post-treatment and finished product preparation. By constructing a three-dimensional interpenetrating hierarchical structure composed of a covalent grafted polymer network, a physically anchored electrostatic screening agent and a stripped bentonite nanosheet layer, effective protection of a bentonite core anti-seepage unit is realized, so that the adaptability and long-term stability of the material under a complex water quality condition are remarkably improved.

The invention relates to an offshore wind power pile foundation anti-scouring structure, and belongs to the technical field of offshore wind power construction, and the offshore wind power pile foundation anti-scouring structure comprises a pile foundation main body, a plurality of spoilers, a protective cylinder, a sand seepage cover and filling stones; the pile foundation main body is columnar, and the pile foundation main body is configured to be inserted into a seabed of a preset area; the pile foundation body is sleeved with the protection barrel, one end of the protection barrel is located on a seabed, the other end of the protection barrel is covered with the sand seepage cover, and a plurality of through holes are formed in the barrel wall of the protection barrel. The multiple spoilers are arranged outside the protective cylinder in the circumferential direction of the protective cylinder and connected with the protective cylinder, each spoiler comprises a spoiler vertical plate and a spoiler side plate, the spoiler vertical plate is parallel to the axis direction of the pile foundation body, and an acute included angle is formed between the spoiler side plate and the spoiler vertical plate; the space between the protective cylinder and the pile foundation body is filled with the filling stone, and the beneficial effect of prolonging the service life of the offshore wind power pile foundation is achieved.

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 freezing pipe relative position adjusting structure for inter-pile freezing water stop, which comprises an inner ring stirrup, the inner ring stirrup is fixed on the inner ring of an outer ring stirrup of a reinforcement cage, a freezing pipe is positioned between the inner ring stirrup and the outer ring stirrup, and a driving device drives the freezing pipe to move around the inner ring stirrup so as to adjust the relative position of the freezing pipe. The operation of lowering the freezing pipe along with the reinforcement cage is transformed, the position of the freezing pipe is adjusted through the driving motor, the accuracy can be guaranteed in the lowering stage, and after lowering is finished, the freezing pipe can be precisely and secondarily adjusted through the driving motor according to the inclination measurement result of the vertical hole, so that the accuracy is further guaranteed; the high-precision requirement for lowering the freezing pipe in the reinforcement cage can be met, and compared with the situation that multiple workers need to repeatedly adjust the lifting point and prize and correct in alignment in traditional construction, the labor cost and the alignment time are greatly saved.

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 utility model relates to a lighting, heat-insulating and waterproof window well of a building and belongs to the technical field of window wells. Comprising a basement wall and a lighting assembly, window wells are arranged on the basement wall, the lighting assembly comprises lighting windows and suspended ceilings, the lighting windows and the suspended ceilings are located at the tops and the bottoms of the window wells respectively, the window wells comprise the upper window wells and the lower window wells, and the lower window wells are in a horn shape; a waterproof heat preservation assembly is arranged between the window well and the basement wall, a drainage pipe penetrating through the waterproof heat preservation assembly is arranged in the basement wall, the waterproof heat preservation assembly comprises a waterproof roll layer, a cement mortar smearing layer and a graphite polystyrene board, and the cement mortar smearing layer and the graphite polystyrene board conduct heat preservation on the window well. According to the building daylighting heat-preservation waterproof window well, the daylighting efficiency and uniformity are improved through the design of the outwards-convex-pyramid-shaped daylighting window and the horn-shaped lower window well, the waterproof heat-preservation assembly is combined with the graphite polystyrene board, heat transfer is effectively prevented, the heat-preservation performance is enhanced, and meanwhile the waterproof effect is improved through the waterproof roll layer and the cement mortar smearing layer.

The invention provides a capsule vibration isolation system based on nanobubbles, and belongs to the field of vibration isolation devices. The capsule vibration isolation system based on the nanobubbles comprises a vibration isolation capsule, the vibration isolation capsule is filled with buffer liquid and solid particles, the nanobubbles are attached to the surfaces of at least part of the solid particles, and bubble attached particles are formed; wherein the bubble attachment particles are configured to collide under the action of elastic waves of the vibration source, so that nano bubbles on the surfaces of the bubble attachment particles are broken, and the bubble attachment particles generate internal energy based on collision friction and bubble breakage to increase energy dissipation of the elastic waves so as to perform vibration isolation treatment on the elastic waves of the vibration source; and the preparation device is configured to prepare the nano bubbles based on a target generation rate under the control of the far infrared control signal, and input the nano bubbles into the vibration isolation bag body through the lower surface of the vibration isolation bag body so as to change the concentration of the bubble attachment particles in the vibration isolation bag body.

The invention provides a method for repairing and maintaining an ecological bank protection structure of a water conservancy project. Comprising the following steps: S1, screening and domesticating functional microorganisms; S2, constructing a vegetation and microorganism synergistic remediation unit; S3, precisely arranging the synergistic remediation unit on site; S4, dynamically monitoring and coordinately regulating and controlling: screening and domesticating the functional microorganisms, constructing the synergistic remediation unit, precisely arranging the synergistic remediation unit on site, and dynamically monitoring and regulating and controlling. A microorganism-vegetation-carrier synergistic effect mechanism is formed, so that the technical problems of structural stability and ecological function separation in traditional revetment restoration are solved; the method has the advantages that the synergistic interaction of structure stability and ecological restoration is realized, the self-repairing capability of a microorganism-vegetation symbiotic system is improved, a multi-dimensional dynamic monitoring regulation and control mechanism is established, and the manual maintenance cost is reduced.

The utility model provides an assembly type box transformer substation foundation, which comprises a bottom plate, first side plates, second side plates, a top frame and a moisture-proof plate body, the first side plates are provided with through holes, the cross sections of the first side plates are C-shaped, the number of the first side plates is two, the openings of the two first side plates are opposite, and the moisture-proof plate body is arranged on the top frame. The second side plates are arranged between the two ends of the two first side plates, the cross sections of the first side plates and the cross sections of the second side plates form a closed rectangle, the bottom plate and the top frame are connected with the bottoms and the tops of the first side plates and the bottoms and the tops of the second side plates respectively, the cross section of the top frame is in an annular shape, and the bottom plate is connected with the top frame. The moisture-proof plate body is connected to the inner side of the top of the top frame. The split mounting type box transformer substation foundation provided by the utility model has a better using effect.

The invention discloses a local reinforcing device of a marine concrete pile and a construction method of the local reinforcing device, and belongs to the technical field of pile foundation construction engineering.The local reinforcing device comprises a reinforced concrete pipe pile, a steel pipe with an epoxy anti-corrosion coating and annular positioning hoops, and the upper end and the lower end of the outer wall of the steel pipe with the epoxy anti-corrosion coating are each connected with a set of annular positioning hoops; the steel pipe with the epoxy anti-corrosion coating and the reinforced concrete pipe pile are coaxially arranged, the steel pipe with the epoxy anti-corrosion coating is located at the broken pile position of the reinforced concrete pipe pile, and the steel pipe with the epoxy anti-corrosion coating and the reinforced concrete pipe pile are locked through the two sets of annular positioning hoops. By adopting the steel pipe with the anti-corrosion coating, welding the shear nails in the steel pipe, pouring the ultra-high performance concrete UHPC and a corresponding construction method, by utilizing the characteristics of high flowability, high impermeability and early high strength of the ultra-high performance concrete UHPC and combining the interface strengthening effect of the shear nails, the pain point of the traditional technology is accurately solved, and the construction efficiency is improved. And a reliable scheme is provided for ocean engineering broken pile reinforcement.

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 relates to the technical field of wind power foundations, in particular to a wind power foundation and a construction method thereof. Comprising a base and four concrete pile foundations, a hydraulic column is installed at the top end of each concrete pile foundation, an expansion supporting piece is arranged on each concrete pile foundation, the movable end of each hydraulic column is hinged to the base, a universal ball seat is embedded in the center of the base, a foundation column is installed on the top face of the universal ball seat, and a limiting disc is installed at the bottom of the foundation column; a set of limiting springs are installed between the limiting disc and the base, the base column is slidably sleeved with a universal sliding sleeve, the top and the bottom of the universal sliding sleeve are each provided with a turbulent flow device, a lantern ring is embedded in the universal sliding sleeve, four universal hinge joints are embedded in the lantern ring, and four hydraulic push rods are hinged to the base. According to the invention, a wind-resistant stable system which takes an electric control system as a core and is deeply linked with the hydraulic push rod, the universal sliding sleeve and the turbulent flow device is constructed, and the technical breakthrough from passive bearing to active counteracting is realized.

The invention discloses a pre-stressed concrete precast pile with an end plate and additional mechanical connection, which comprises a pre-stressed steel bar, a concrete pile body, the end plate and a mechanical connection assembly mounted on the end plate, and the mechanical connection assembly comprises an insertion rod, a bushing, a plurality of occlusion petals and a compression spring, a blind hole corresponding to the mechanical connecting assembly is formed in the end face of the concrete pile body, an opening of the blind hole communicates with the mounting hole, the lining is in threaded connection with the mounting hole, a plurality of occlusion petals are arranged in an inner space formed by the lining and the blind hole, and compression springs are arranged between the occlusion petals and the end face of an inner cavity of the blind hole. When the adjacent prestressed concrete precast piles with the end plates in additional mechanical connection are connected, the end plates provided with the inserting rods are close to the end plates provided with the bushings, the inserting sections penetrate through the bushings to be inserted into the occlusion petals, and then the end plates are welded. According to the prestressed concrete precast pile with the end plates and the additional mechanical connection, the pile head strength is guaranteed, and meanwhile the corrosion resistance and the connection strength of connection between piles are improved.

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 invention relates to the technical field of environmental vibration reduction and isolation control, and discloses a vibration isolation pile, a row pile structure and a construction method of the vibration isolation pile, the vibration isolation pile comprises sleeves arranged between a subway tunnel and a basement, at least two sleeves are sequentially nested from outside to inside, and an annular filling space is formed between every two adjacent sleeves; a core filling space is formed in the inner cavity of the innermost sleeve; the annular filling space and the core filling space are divided into a plurality of vibration isolation sections in the height direction of the annular filling space and the core filling space, and each vibration isolation section corresponds to a soft soil layer or a hard soil layer on the outer side; in each vibration isolation section, the annular filling space and the core filling space are each internally provided with a rigid vibration isolation layer or a flexible vibration isolation layer, and the rigid vibration isolation layers and the flexible vibration isolation layers are alternately arranged in the radial direction of the casing pipe. The technical problems that in the prior art, the vibration isolation effect of a vibration isolation pile is the same, vibration isolation cannot be conducted according to vibration propagation characteristics and vibration isolation requirements of different soil layers, and the vibration isolation effect of the vibration isolation pile is poor are solved.

The invention provides an offshore wind power foundation anti-scour device which comprises a pile foundation, a conical base is fixedly connected to the position, close to the bottom, of the pile foundation, four sets of supports are fixedly connected to the bottom of the conical base, the ends, away from the conical base, of the supports are each of an arc design, and a connecting ring is installed above the conical base. The connecting ring is rotationally connected to the outer end of the pile foundation, and a protective shell is installed at one end above the connecting ring. Dual protection is formed by combining rotation kinetic energy conversion and a mechanical buffering mechanism, the arc-shaped blades rotate to drive the protective sleeve to be in linkage, the arc-shaped protruding blocks periodically extrude the spherical bodies, and impact energy is absorbed through the buffering springs; the spring assembly adopts corrosion-resistant alloy and sealing lubrication design, buffering reliability is ensured, water flow impact is converted into controllable mechanical energy consumption through the structure, the structure and blade flow guide are in synergistic effect, direct scouring force is weakened, stress concentration is avoided, the overall anti-scouring stability of the pile foundation is remarkably improved, and the service life of the pile foundation is remarkably prolonged.

The utility model provides a railway non-buried subgrade pile-slab structure of underpass highway bridge, including: two rows of pile foundations, set up in the top of two rows of pile foundations, lay on the support beam on the bearing plate and set up in the ballastless track structure on the bearing plate, the two rows of pile foundations are correspondingly set up along railway subgrade and pass through highway bridge down, the ballastless track structure is set up in the ballastless track structure, the ballastless track structure is set up on the ballastless track structure, the ballastless track structure is set up on the ballastless track structure, the ballastless track structure is set up on the ballastless track structure. Wherein the pile foundations located below the highway bridge are arranged between the existing bridge piers; the two ends of each joist are arranged on the opposite pile foundations of the two rows of pile foundations; the bearing plate is used as the railroad bed and is arranged corresponding to the two rows of pile foundations; and each bearing plate is arranged corresponding to the ballastless track structure. By means of the roadbed structure, the problems that effective clearance of an existing roadbed structure is prone to being limited, the construction period is long, and additional settlement deformation is generated due to the fact that a fill roadbed generates additional loads on existing highway bridge piers can be solved.

The invention relates to the technical field of pile foundations, in particular to a variable-section anti-seismic spiral pile foundation and a construction method.The variable-section anti-seismic spiral pile foundation comprises a pile body, a spiral blade set, a seismic isolation layer and an anti-seismic ring, and the spiral blade set and the pile body form the spiral pile foundation through pouring in a construction soil layer; the shock insulation layer is installed on the top of the pile body and integrated with the pile body through pouring, the anti-seismic ring is arranged outside the shock insulation layer in a surrounding mode and connected with the shock insulation layer, the spiral blade set is composed of a plurality of sets of spiral blades of different specifications, and the spiral blades are arranged upwards from the lower portion of the pile body from small to large. And compared with the scheme that the outer diameter of the blade is increased in the prior art, the economic construction cost is reduced, and the anti-seismic performance and the bearing capacity are synchronously improved.

The invention discloses a rotary drilling rig socketed pile construction method under complex geological conditions, and relates to the technical field of geological construction, and the method comprises the following construction steps: S1, intelligent construction preparation, S2, self-adaptive pile casing burying, S3, dynamic slurry regulation and circulation, S4, rock stratum intelligent identification drilling, S5, composite socketed drilling, S6, digital hole cleaning and hole inspection, and S7, intelligent pouring and maintenance. Through the steps of S1 intelligent construction preparation, S4 rock stratum intelligent identification drilling and S5 composite rock-socketed drilling, the effects of accurately coping with complex geological conditions and improving the drilling efficiency and safety are achieved; through the steps of S3, dynamic slurry regulation and circulation, S6, digital hole cleaning and hole inspection and S7, intelligent pouring and maintenance, the effects that the construction quality is controllable in the whole process, and green and environment-friendly are achieved; through the steps of S2, self-adaptive pile casing burying, S5, composite rock-socketed drilling and S7, intelligent pouring and maintenance, the effects that the overall stability of the pile foundation is enhanced, and construction continuity is improved are achieved.

The invention relates to the technical field of gravel geologic protection, and provides a gravel geologic body pore-forming wall-protecting construction device and a pore-forming method, which are used for supporting a pore wall by applying a wall-protecting structure to the pore wall in the punching process to avoid the problem that gravel on the pore wall falls off or causes pore collapse. According to the technical scheme, a supporting plate is rotationally connected to a drill rod, a supporting pipe is fixed to the side, opposite to a drill bit, of the supporting plate, the drill rod is sleeved with the supporting pipe, and the drill rod can rotate relative to the supporting pipe; the air bag sleeves the supporting tube and is located at the position, close to the supporting plate, of the supporting tube; the cylindrical net racks are connected end to end in the axial direction through the connecting pieces, the connecting pieces are provided with easy-to-fold marks, the cylindrical net racks are arranged on the supporting pipes in a sleeving mode, the cylindrical net rack located at the head can move and can be arranged on the air bag in a sleeving mode, and when the air bag is inflated, the cylindrical net racks can be opened and can be easily broken and separated from the fold marks; the hole wall is supported.

The invention discloses a chlorine salt corrosion resistant prestressed concrete solid square pile and a construction method thereof, a cementing material of a pile body concrete body of the square pile comprises a mineral admixture accounting for 50%-70% of the total mass of the cementing material, and the cementing material adopts Portland cement; sacrificial anode blocks electrically connected with the main reinforcements are embedded in the pile body concrete body. The pile body concrete body is doped with a composite corrosion-resistant and rust-resistant agent; the outer surface of the pile body concrete body is coated with polyurea waterproof paint or epoxy seal primer. An electromigration type corrosion inhibitor and a microcapsule containing bacillus are doped into the pile body concrete body; the prestressed main reinforcements are steel reinforcements with anti-corrosion coatings; and fiber bragg grating sensors are pre-embedded around the prestressed main reinforcements. The mixing proportion of the concrete body of the pile body is specially designed for fixing and blocking chloride ions, an inapplicable sulfate-resistant cement scheme is abandoned, and the chlorine salt resistance is improved from the source of materials.

The invention relates to an outer wall facade self-adhesion waterproof coiled material continuous paving device and method.The outer wall facade self-adhesion waterproof coiled material continuous paving device comprises a guide rail frame, a moving frame, a driving mechanism, a film uncovering roller, a coiled material containing shaft and a rubber rolling roller, and the driving mechanism, the film uncovering roller and the coiled material containing shaft are all installed on the moving frame; the two ends of the rubber grinding roller are installed below the moving frame through the front-back adjusting mechanism, and the moving frame is arranged on the guide rail frame in a sleeving mode and can move up and down along the guide rail frame under driving of the driving mechanism. The film uncovering roller, the coiled material placing shaft and the rubber rolling roller are all horizontally arranged and can rotate around the self axis, the film uncovering roller, the coiled material placing shaft and the rubber rolling roller are sequentially arranged on the rear side of the guide rail frame from top to bottom at intervals, and the driving mechanism is further in transmission connection with the film uncovering roller and drives the film uncovering roller to rotate. The construction speed and construction efficiency of the outer wall facade waterproof coiled material can be improved, the construction quality of the outer wall facade waterproof coiled material is guaranteed, and the later water leakage hidden danger of a basement outer wall is reduced.

The invention discloses an anti-clogging rapid laying construction method for municipal drainage pipelines in a pluvial area, and relates to the technical field of municipal engineering. According to the method, through construction early-stage investigation and pretreatment, a high-pressure jet grouting pile and a steel sheet pile are combined to form a water interception curtain and vacuum well point dewatering is adopted, and a pipeline with a nanometer hydrophobic coating and a flow guide protruding edge is prefabricated; during rapid excavation, rapid hardening concrete is used for supporting, and a prefabricated module foundation with a permeable blind pipe is laid; laser positioning is adopted for hoisting, and double sealing is adopted for interfaces; graded gravel and a curing agent are used for backfilling, and ground penetrating radar is matched for detection; acceptance inspection is combined with a closed water test and an endoscope, and an intelligent monitoring device is installed to be connected into an intelligent system. The problems that construction efficiency is low and pipelines are prone to clogging in rainy areas are solved, the construction period is shortened by 30% or above, the initial clogging rate is reduced by 60%, and the method is suitable for drainage projects in areas with the annual precipitation being 800 mm or above.

The invention discloses a vibration isolation building horizontal force transmission device, belongs to the technical field of civil engineering, and aims to solve the problems of an existing underground structure horizontal force transmission device. Comprising a mirror surface stainless steel plate and a steel box, a plurality of inner anchor bars are arranged on one side of the mirror surface stainless steel plate, a sliding block set is arranged on the other side of the mirror surface stainless steel plate, a plurality of outer anchor bars are arranged on one side of the steel box, a notch is formed in the other side of the steel box, a retainer is arranged in the notch, and the retainer and the stainless steel plate are oppositely arranged; a vertically-arranged sliding groove set and a plurality of segment-shaped notches are formed in the end face of the side, facing the stainless steel plate, of the retainer, the balls are arranged in the notches in a one-to-one correspondence and rolling mode and abut against the stainless steel plate in a rolling mode, the sliding block set is in sliding fit with the sliding groove set, the inner anchor bar is embedded in the edge beam, and the outer anchor bar is embedded in the outer wall. Vertical sliding is allowed between the outer force transmission piece and the inner force transmission piece, horizontal force transmission can be achieved, and the vibration reduction and isolation effect of the vibration isolation system is not affected.

The invention relates to the technical field of icebreaking devices, and particularly discloses a multistage buffer modular device adapting to water surface changes and a using method thereof.The multistage buffer modular device is applied to an offshore pile body and comprises a mounting sleeve, an annular floating frame and a plurality of buffer modules, and the mounting sleeve is fixed to the pile body in a sleeving mode; the annular floating frame surrounds the mounting sleeve and is configured to float up and down relative to the mounting sleeve, the multiple buffer modules are positioned on the annular floating frame and arranged around the mounting sleeve, and each buffer module comprises a first buffer layer and a second buffer layer; an energy absorption space is reserved between the inner diameter side of the first buffer layer and the mounting sleeve, the outer diameter side of the first buffer layer is in damping connection with the annular floating frame, the inner diameter side of the second buffer layer is in contact with the first buffer layer, and an icebreaking structure is elastically mounted on the outer diameter side of the second buffer layer; wherein the first buffer layer can displace and / or deform towards the energy absorption space to drive the damping to dissipate the kinetic energy, and by means of the device, the influence of ice-induced vibration on the main body structure of the offshore pile body can be avoided.

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.