36results about How to "Save construction time" patented technology

The invention provides a construction method for punching transformation of a sandwich perlite composite wall. The construction method comprises the following steps that S1, construction preparation is conducted; s2, measuring and marking the sideline of the opened hole on the wall body with the opened hole; s3, a back-jacking supporting unit supported between a floor and a top plate is arranged in front of the wall with the opened hole; s4, water drilling and hole taking are conducted on the wall with the opened hole along the periphery of the side line, a grouting nozzle is embedded in the hole, and pressure grouting is conducted; s5, lintel construction is conducted on the wall with the opened hole along the side line; s6, the original masonry in the sideline range is statically dismantled through a water drill; s7, constructional columns are arranged on the two sides of the opened hole; and S8, the back-jacking supporting unit is dismantled. Pearlite in the wall body is fixed by adopting a pre-pressure cement paste injection technology, so that the problems that the construction is influenced and the thermal insulation performance of the wall body is reduced because the pearlite flows out in the punching process are solved; and drilling and dismantling of the wall body are achieved through water drill static dismantling, large disturbance to the wall body is avoided, and construction safety is guaranteed.

The self-drilling type grouting anchor rod comprises a hollow anchor rod body, a two-way drilling bit is arranged on the hollow anchor rod body, a stop-grouting plug is arranged at the position, close to the upper end of the hollow anchor rod body, of the hollow anchor rod body, and a plurality of stop-grouting rings are arranged at the positions, between the two-way drilling bit and the stop-grouting plug, of the hollow anchor rod body at intervals; the grout stopping ring comprises a grout stopping ring steel inner core and bags symmetrically arranged on the grout stopping ring steel inner core, the bags are in a semi-ring shape, and grouting hoses are arranged on the bags and can penetrate through the grout stopping plug; the hollow anchor rod section between every two adjacent grout stopping rings and the hollow anchor rod section between the grout stopping ring located at the lowermost end and the two-way drilling bit are grouting sections, a plurality of grout outlet holes are evenly distributed in the grouting sections, and the outer sides of the grouting sections are further sleeved with grouting rubber sleeves; an electronic digital display angle gauge is arranged on the outer wall of the hollow anchor rod and located at the upper end of the grout stopping plug. The technical problems that grouting of a hollow grouting anchor rod in the sandy gravel stratum is diluted, diffused and difficult to solidify, and the anchor rod deviates and is poor in reinforcing effect can be effectively solved.

The invention relates to a sponge storage yard arrangement structure of an automatic container and an implementation method thereof, and relates to the field of drainage. The structure comprises a box corner foundation, a filling area, an open drain, two groups of PMG tracks and a surrounding net. The implementation method comprises the steps that a plurality of prefabricated open trench modules and filling area modules are produced in a factory and transported to a construction site to be rapidly assembled; the filling area integrally sinks horizontally, and the pavement is formed by permeable pavement; a multi-stage filtering system is arranged on the stepped open drain; when the storage yard encounters rainstorm, rainwater is naturally accumulated and permeated in the sunken filling area, and if the rainstorm exceeds a certain amount, the rainwater enters the stepped open drain. The mode of'natural accumulation, natural permeation and natural purification 'of a sponge city is met by combining the elevation of the filling area of the container area, the paving of the filling area and the open trench structure of the filling area, and the manufacturing cost and the construction time are saved.

The invention discloses an adjustable guide limiting stopper for planting a socketed pile and a pile planting process. The guide limiting stopper is composed of N limiting assemblies and N anchor chain assemblies. The limiting assembly comprises a foundation ring capable of being oppositely opened, the multiple adjusting devices are evenly distributed on the annular outer wall of the foundation ring in the circumferential direction of the foundation ring in a radial shape, and the multiple inner sliding assemblies are evenly distributed in multiple inner sliding assembly mounting grooves in the annular inner wall of the foundation ring. The outer sliding assemblies are fixed to the outer side ends of the adjusting devices correspondingly, and the distances between the outer sliding assemblies and the foundation ring are adjusted through the adjusting devices. The N limiting assemblies are coaxially arranged at intervals from top to bottom, and the N anchor chain assemblies are arranged above the limiting assemblies correspondingly so as to connect the adjacent limiting assemblies or the limiting assemblies and a crane lifting hook. The guide limiting stopper is suitable for the adjusting requirement of different deviation conditions of the pile casing and the designed pile position of the engineering pile, precision control over the perpendicularity and the plane position of the engineering pile is achieved, the construction time and cost are saved, and the construction efficiency is improved.

A locking mechanism for a diagonal tie rod in an outward-opening, top-hung hardware system is disclosed. The diagonal tie rod includes a movable tie rod slidably mounted on a base for positioning a first connecting rod. The base has a first connecting rod with a limiting groove at one end near the base. The positioning device includes a limiting block with a locking part. When the window sash needs to be opened to its maximum position, the locking part extends out of the base and engages with the limiting groove to form a limiting connection, thus locking the window sash. The movable tie rod has an unlocking part. When the window sash needs to be closed, the locking part slides within the base driven by the handle. The unlocking part abuts against the limiting block, creating a lever effect that disengages the locking part from the limiting groove, thereby releasing the locked state of the window sash.

This invention provides a construction method for an ecological open channel system in urban streets and alleys, including steps such as constructing a sedimentation and filtration system, constructing a rainwater and sewage diversion system, and constructing a water resource collection system. This invention can achieve multiple benefits, including reducing urban flooding, improving the urban microclimate, and enhancing the urban landscape.

The present invention relates to a device for facilitating initial tunnel support construction, comprising at least one baffle, wherein a gap is provided between the baffle and the bottom surface of an upper step, and the width of the baffle is adapted to the thickness of the sprayed concrete required for the upper step. By installing the baffle of the device for facilitating initial tunnel support construction above the bottom surface of the upper step, a gap is formed between the baffle and the bottom surface of the upper step. Since the width of the baffle is adapted to the thickness of the sprayed concrete required for the upper step, it can be ensured that the baffle can cover the bottom of the upper step, so that the concrete sprayed in the gap between the baffle and the bottom surface of the upper step is reduced during the spraying of concrete, and the concrete sprayed on the steel arch frame and the steel mesh at the bottom of the upper step is also reduced. Therefore, there is no need to chisel out the concrete sprayed at the bottom of the upper step, and only the concrete sprayed at the bottom of the steel arch frame and the bottom of the steel mesh needs to be simply removed, thereby saving manpower and construction time.

The utility model discloses an attachment type lifting scaffold facade horizontal truss inclined rod fixing device, which belongs to the technical field of fixing devices, and comprises a first supporting assembly, the first supporting assembly comprises a truss cross rod, a second supporting assembly is arranged on the front surface of the truss cross rod, the second supporting assembly comprises a truss vertical rod, and the truss vertical rod is arranged on the front surface of the truss cross rod. A plurality of fixing mechanisms are arranged on the front face of the truss vertical rod, each fixing mechanism comprises a fixing piece, and a limiting hole is formed in the surface of each fixing piece; according to the truss diagonal rod, the truss diagonal rod body, the through hole, the fixing piece and the limiting hole are arranged, the fixing piece is installed on the surface of the truss vertical rod through the bolt and the nut, and the diagonal rod body and the fixing piece are fixedly connected together through the limiting mechanism according to the preset position, so that the installation process is simpler, more convenient and more efficient, and the fixing position and the positioning hole are reserved; extra adjustment and tedious procedures in the installation process are avoided, and construction time and cost are saved.

The invention belongs to the technical field of oilfield water injection, and particularly relates to a full-drillable deblocking packer with a detachable safety connector, a system and a method. The all-drillable deblocking packer with the detachable safety connector is composed of a packer body, a safety connector assembly and a connector connecting sleeve. The packer body is organically composed of a central pipe, a liner pipe, an upper baffle ring, a rubber sleeve, a spacer ring, a lower baffle ring, a setting piston and a well washing piston. When the full-drillable deblocking packer capable of being separated from the safety connector fails in descending and deblocking, a milling tool is descended, parts on the outer side of the liner tube or the central tube are milled, a fishing spear in the milling tool can clamp the central tube, and then the central tube is lifted out of a well to achieve deblocking. After milling, a pipe column below the packer cannot fall into the well bottom, secondary fishing construction is omitted, and construction time and cost are saved.

The present invention discloses a temporary support device, wherein a main steel frame is connected to an upper transverse portion of the main steel frame by a connecting rod; the main steel frame is connected to a lower transverse portion of the main steel frame by a connecting plate, the top of the main steel frame is a transverse fixing frame, the top of the transverse fixing frame is an upper steel frame, the upper steel frame is connected to an upper transverse portion of the upper steel frame by a connecting plate; the upper steel frame is connected to a lower transverse portion of the upper steel frame by a connecting rod; the transverse fixing frame is vertically connected to a longitudinal fixing frame and the longitudinal fixing frame is vertically connected to the main steel frame, and the longitudinal fixing frame is connected to the connecting plate by a supporting rod. The temporary support device disclosed in the present invention can not only be flexibly adjusted and conveniently disassembled, thus saving construction time and cost, but also improving construction efficiency and increasing the service life of the structure, while ensuring stability and safety during construction.

The utility model discloses a roof floating plate formwork supporting structure which is installed on a shear wall, the roof floating plate formwork supporting structure comprises a plurality of supporting bases, a plurality of steel channels, plywood and a roof floating plate, each supporting base comprises a first end face and a second end face, and the first end faces and the second end faces are perpendicularly arranged. The multiple supporting bases are sequentially arranged on the shear wall at intervals in the first direction, the first end faces of the supporting bases are fixedly connected with the shear wall, the steel channels are sequentially arranged on the supporting bases at intervals in the second direction, the second end faces of the supporting bases are fixedly connected with the steel channels, and the plywood is laid on the sides, away from the second end faces, of the steel channels. The roof floating plate is poured on the side, away from the channel steel, of the plywood. The supporting base is directly installed on the shear wall, the mode that an I-shaped steel is overhung in the prior art is avoided, the hoisting and installing process of a large component is simplified, and safety risks and manpower and material resource investment caused by hoisting of the I-shaped steel are reduced.

The application discloses a construction method based on a high-altitude suspension cable bridge, and relates to the technical field of building, and comprises the following steps: S10, temporarily reinforcing a stress layer structure of a position where a connecting bridge is installed, so as to ensure the structural strength and stability of the position where the connecting bridge is installed; S20, installing embedded components and a sliding track and temporarily positioning and supporting a bottom of a spliced section; S30, sliding and installing and positioning components of connecting bridge sections at two ends of the connecting bridge by lifting equipment; S40, ground welding, polishing and painting of the components of the connecting bridge middle section are simultaneously performed on the middle double-machine lifting and hoisting part, and temporary fixing lugs are welded; S50, integral lifting work of the connecting bridge middle section is performed by two tower cranes; S60, the connecting bridge middle section is welded with the connecting bridge sections at the two ends of the connecting bridge, so that main body construction is completed; and S70, bridge accessory component installation, specifically comprising: main cable installation and pull rod installation. The application has the beneficial effects of saving construction cost and construction cost.

The shaft sleeve detachable system comprises a shaft, a shaft sleeve, two annular sealing pieces and an oil pump, the shaft is provided with a first shaft section, a second shaft section and a shaft shoulder face, the first shaft section and the second shaft section are connected, the shaft shoulder face is located at the connecting position, and the shaft sleeve is provided with oil grooves distributed in the inner circumference in the circumferential direction and oil injection channels communicated with the oil grooves. The two annular sealing pieces are installed between the shaft and the shaft sleeve and located on the two axial sides of the shaft sleeve correspondingly, the oil pump is used for communicating with the oil injection channel, the shaft sleeve detachable system has a first state and a second state, in the first state, the shaft sleeve is in interference fit with the first shaft section and the second shaft section, and in the second state, the shaft is separated from the shaft sleeve; pressure oil provided by the oil pump acts on the shaft shoulder face so that the shaft sleeve detachable system can be switched from the first state to the second state. According to the system, heating is not needed when the shaft sleeve is dismounted, a mechanical dismounting method is not needed, the construction space is small, and the shaft sleeve and the shaft can be repeatedly used.

The invention provides a multi-network convergence gateway system, a signal transmission method, equipment and a medium, the multi-network convergence gateway system comprises a back-end gateway and a plurality of front-end gateways connected with the back-end gateway, and each front-end gateway comprises a multi-network communication module. The multi-network communication module comprises an indoor distribution antenna, a Bluetooth communication module and a WIFI communication module; the back-end gateway sends the first target signal to a front-end gateway; and when the front-end gateway receives the first target signal, the front-end gateway analyzes the first target signal to obtain a second target signal, and sends the second target signal to the corresponding Internet of Things equipment through the multi-network communication module, so that the Internet of Things equipment receives the second target signal in the multi-network environment. Therefore, the multi-network fusion Internet of Things gateway is formed, the Internet of Things equipment can receive required signals through the wireless local area network and the cellular network, and coexistence of the wireless local area network and the cellular network is realized.

The present invention relates to a construction platform device with a hanging basket, which is installed on a single pile foundation and includes a connecting transition mechanism, an upper platform, and a hanging basket platform. The connecting transition mechanism is fixedly connected to the top of the single pile foundation in a detachable manner, the upper platform is fixed on the connecting transition mechanism, the hanging basket platform is located beside the single pile foundation, and the hanging basket platform is fixedly connected to the bottom of the upper platform by a suspension rod. The platform of the construction platform device with a hanging basket of the present invention is directly installed on the single pile foundation, and the single pile foundation is used as a supporting foundation. There is no need to set up additional supporting piles, which simplifies the device and can reduce the construction cost and time of the construction platform; it can meet the needs of different construction work elevations and improve the convenience and safety of construction.

This utility model relates to the field of photovoltaic PHC pipe pile forming technology, specifically to a photovoltaic PHC pipe pile drilling and driving control device, including a casing, a straightening component, a detection component, and a support base. The support base is fixed to the ground, and the casing is coaxially arranged above the support base. The casing is threadedly connected to the support base through a lug at the bottom. Multiple sliding grooves are vertically spaced along the spiral path on the inner wall of the casing. Multiple straightening and detection components are arranged inside the casing. The straightening component extends into the corresponding sliding groove and is slidably connected to it. The detection component is fixedly arranged on the corresponding straightening component. During drilling, one side of the straightening component can abut against the outer edge of the spiral blade of the auger drill rod. During pile driving, one side of the straightening component can abut against the outer side of the pipe pile. This device can determine the deviation state of the auger drill rod and the pipe pile, and through the straightening component, push the auger drill rod and the pipe pile to correct the deviation in time, ensuring the verticality of the auger drill rod and the pipe pile.

The utility model discloses a highway road safety protection device for environment-friendly construction, which comprises a track body arranged around a highway road construction foundation pit, a protection body is fixedly arranged on the track body, and the periphery of the highway road construction foundation pit is enclosed by the protection body. The rail body is provided with a long-strip-shaped rail plate, the two sides of the rail plate are bent ends used for limiting the lower end of the protection body, a plurality of fixing columns are fixed in the middle of the rail plate, the lower ends of the fixing columns are in a tapered shape, and the tapered lower ends can enable the rail plate to be fixedly installed around a highway road construction foundation pit conveniently. The upper end of the fixing column is provided with external threads; and the protective body is fixed through a nut after penetrating into the upper end of the fixed column. The method can be applied to the field of highway road construction safety protection, the overall stability of safety protection is improved, the good construction environment in the foundation pit is maintained, the foundation pit collapse risk is reduced, and construction safety and smooth proceeding are guaranteed. Installation is convenient, and complex tools and a large amount of manpower are not needed.

The utility model relates to a composite radio frequency coaxial cable. The cable comprises an inner conductor which is of a spiral tubular structure; the optical fiber is embedded in the inner conductor, and an optical fiber filling ointment is filled between the optical fiber and the inner conductor; the insulating layer is arranged on the outer side of the inner conductor; the shielding layer is arranged on the outer side of the insulating layer; and the sheath layer is arranged on the outer side of the shielding layer. According to the utility model, the optical cable and the radio frequency coaxial cable are of an integrated structure, optical waves and radio frequency signals can be transmitted simultaneously, the advantages of the radio frequency coaxial cable structure and the optical cable transmission performance are combined, and the problems of easy damage, signal interference, low construction efficiency, poor compatibility with the existing system and the like of the optical cable in the prior art are solved; efficient and stable transmission of light wave and radio frequency signals is achieved, and meanwhile construction cost and difficulty are reduced.

The utility model discloses a butt joint installation device for building pipelines. The butt joint installation device comprises a supporting rack, a hoisting mechanism arranged on the supporting rack, a pipeline supporting mechanism arranged on the supporting rack and a pipeline limiting mechanism. The pipeline limiting mechanism is matched with an existing pipeline for limiting installation, and the hoisting mechanism is used for hoisting a to-be-installed pipeline and is matched with the existing pipeline for butt joint installation; according to the butt-joint mounting device for the building pipeline, through the arrangement of the pipeline limiting mechanism and the pipeline supporting mechanism, the whole device is stably mounted on an existing pipeline, the whole structure is matched with the existing pipeline for positioning, adjusting and mounting, the mode that the device needs to be matched with a wall top again for mounting during use is avoided, and the mounting efficiency is improved. The construction time and construction materials are greatly saved, the hoisting mechanism is used for hoisting the to-be-mounted pipeline and can adjust the to-be-mounted pipeline in multiple directions, the pipeline fitting mounting efficiency is improved, meanwhile, the mounting precision is improved, and the labor intensity is reduced.

The present invention discloses an umbrella-shaped electric anchor rod, comprising an anchor rod body, a rotating motor, an electric push rod assembly, an expansion assembly, an anchor head, a mud bin, a spiral push rod and a mud channel, wherein the mud bin is arranged inside the anchor rod body, the anchor head is arranged at the front end of the anchor rod body, the mud channel is arranged outside the anchor head, the rotating motor is arranged inside the rear end of the anchor rod body and is connected to the spiral push rod, the electric push rod assembly and the expansion assembly are both arranged outside the anchor rod body, and the electric push rod assembly is connected to the expansion assembly. The expansion process of the expansion rod of the anchor rod of the present invention is completely completed by the electric system, which greatly saves construction time and manpower. Even in a relatively hard soil layer, the construction can be easily completed, and the work efficiency is improved. The electric push rod assembly not only provides thrust for the expansion assembly, but also bears a part of the shear force, thereby enhancing the overall stability of the anchor rod. The thorn design on the first push rod makes the anchor rod more stable in the soil layer and not easy to slide or loosen.

The utility model discloses a high-efficiency catenary carrier cable buffering jigger, which relates to the field of electrified railway catenary construction equipment, comprises a steel pipe and is characterized in that a U-shaped piece is sleeved on the surface of the steel pipe, a steel plate is arranged at the top end of the U-shaped piece, two groups of fixing plates are arranged on the surface of the steel plate, and a hinge block is hinged between the two groups of fixing plates. A pulley framework is arranged at one end of the top of the hinge block, a cable pulley is movably arranged in the pulley framework, and a buckle mechanism is arranged on the side wall of the pulley framework. The efficient small tackle for fixing the catenary carrier cable is compact in structural design, easy to operate and convenient for constructors to quickly operate, ensures that a pay-off process is stable without shaking and eccentric wear, prevents pay-off scratches and damage and improves construction safety through an adjustable buckling mechanism, and the fixing plate is hinged to the hinge block, so that the fixing effect is good, and the labor intensity of workers is reduced. And the pay-off device can adapt to pay-off at different angles and meet various construction requirements.

A method for detecting and scribing the capacity of a liquid cargo tank of an LNG transport ship comprises the following steps: carrying out three-dimensional precision measurement on a block in advance by using a laser total station, carrying out data analysis on the block by using a simulated loading (Eco-OTS) technology, and drawing a detection position line at a detection position according to analysis data; wherein one simple tool is matched with a laser range finder to detect the distance of a straight structure in the cabin, and the other simple tool is matched with a total station to detect CM points in the cabin; in real ship body cabin capacity detection, according to each detection position line which is drawn in advance, a simple tool is placed at the position line, and a laser range finder is matched for detection; and the other tool is placed at the CM point, and the total station detects the mark point of the tool to obtain detection data. According to the method, data detection is more visual and reliable, correction caused by data errors due to unstable use of the range finder in the detection process is prevented, the precision and efficiency are improved, and a large amount of construction cost and time are saved.

The utility model discloses an artwork, and relates to the technical field of building construction. The artwork structure comprises an artwork body, an inner wall surface is installed in the artwork body, an outer wall plate is installed on one side of the inner wall surface, a vertical keel is fixedly connected to one side of the inner wall surface, a transverse keel is fixedly connected to one side of the inner wall surface, and a clamping assembly is installed in the transverse keel. The clamping assembly and the fixing rod are arranged, when the outer wall plate is installed, the specified outer wall plate is taken out, the fixing rod is pushed into the clamping assembly to be clamped and fixed, so that the outer wall plate is rapidly and stably installed on one side of the inner wall face, and when multiple outer wall plates are installed, a large number of objects such as connecting pieces and bolts do not need to be used; the external wall panel can be quickly and conveniently mounted by the aid of the fixing rod and the clamping component, and the external wall panel can be easily replaced only by releasing clamping and fixing between the fixing rod and the clamping component during subsequent replacement and maintenance of the external wall panel, so that construction time is greatly saved, and construction efficiency is greatly improved.

The invention provides a mountain side slope vegetation drop forming module and a using method thereof.The module comprises a supporting plate, a net plate and plants, and one edge of the supporting plate is fixedly connected with a side slope and used for bearing cultivation and planting soil; the net plate is connected with the edge, away from the slope, of the supporting plate and used for preventing the cultivation and planting soil from flowing out of the supporting plate. The plants are planted in the cultivating and planting soil and are used for forming waterfall vegetation steps. By the adoption of the method, the modularized plant bearing structure can be installed on the mountain slope, plant-growing drop water is formed, the construction cost and time are saved, meanwhile, water and soil loss is prevented, and the method is environmentally friendly.

The utility model discloses an assembly type ticket kiosk which comprises a bottom plate, a top plate and a stand column, the top end and the bottom end of the stand column are each provided with a first connecting part, and each first connecting part is at least provided with a boss or a slot; second connecting parts matched with the first connecting parts are correspondingly arranged on the bottom plate and the top plate, and each second connecting part is at least provided with a tenon or a groove; the tenon is matched with the inserting groove, and the groove is matched with the boss. According to the assembly type ticket kiosk, the stand columns are connected with the bottom plate and / or the top plate through the first connecting parts and the second connecting parts by means of matching of the tenons and the inserting grooves or matching of the bosses and the grooves, the connecting mode of the ticket kiosk is simplified, rapid assembly and disassembly can be achieved, the construction time is saved, the construction difficulty is lowered, and the construction efficiency is improved; and standardized production and on-site rapid construction are facilitated.

The utility model provides a bamboo raw material co-production line which is characterized in that the bamboo raw material co-production line is formed by flexibly connecting and assembling a PLC (Programmable Logic Controller) console, and a slicing machine, a gas distribution station, a cooking pot, a high-concentration grinding machine, a screw extruder, a slurry pool, a fermentation container, a distillation device and a liquid storage tank which are centrally controlled by the PLC console in series. The gas distribution station is composed of a main pipe and a branch pipe which is arranged in an included angle mode. The slurry pool is in a ship-shaped pool shape, a vibration rod is arranged above the slurry pool, a slurry pump is arranged in the pool, and a lignin recovery device is arranged at the bottom of the pool. The screw extruder is formed by assembling a slurry pump, a rack and a screw propulsion device. The production line has the advantages of being high in automation degree, capable of producing multiple bamboo raw materials on line, and time-saving and expenditure-saving due to the fact that special machines are selected and purchased to participate in line building.

The utility model belongs to the technical field of building construction, and particularly relates to an advanced sealing device for a straining beam at a post-cast strip of a portal rigid frame structure. The advanced sealing device is composed of a top die and two side dies and is installed between two sections of straining beams through opposite-pull screws, and a sealed space used for later concrete pouring is formed. And meanwhile, a pouring pipe is arranged on the top die in a communicating mode, pouring concrete is poured into the closed space through the pouring pipe, and the two straining beam sections are connected in a pouring mode. In addition, due to the detachable extension pipe design, the landfill height can be adjusted, and universality is improved. Meanwhile, through the design of a sealing cover, a first sealing cushion layer, a second sealing cushion layer and the like, foreign matter is prevented from entering the closed space, and the structural strength and stability are ensured. The device has the advantages of being simple in structure, low in manufacturing cost, capable of being repeatedly used and the like. According to the utility model, the structural strength, the service life and the safety of a building are improved. And meanwhile, the construction cost and the manpower demand are reduced, and the national architectural concept of saving materials is responded.

The invention discloses a reservoir concrete diaphragm wall construction method. The reservoir concrete diaphragm wall construction method comprises the following steps that S1, soil replacement and compaction are conducted in a construction area of a diaphragm wall; s2, a guide groove is excavated in the construction area of the diaphragm wall, and a guide rail and a steel plate moving guide wall are installed; s3, downward construction is carried out along the movable guide wall to form a slotted hole; s4, the groove depth, the hole position deviation and the groove bottom deposition thickness are checked, meanwhile, slurry replacement is conducted in the groove holes, and fresh slurry is supplemented for wall fixing; s5, a mold is placed in the slotted hole, concrete is poured into the mold, and a hollow double-layer concrete diaphragm wall is formed; and S6, after the double-layer concrete anti-seepage wall is solidified, asphalt mixtures are injected into the hollow part of the double-layer concrete anti-seepage wall and gaps between the double-layer concrete anti-seepage wall and the groove walls. According to the method, structural decomposition or performance degradation of asphalt is avoided, and the waterproof performance of the diaphragm wall is improved; in addition, inclination or fracture of the guide grooves can be avoided, and the combination degree of the diaphragm wall and a construction area is enhanced.

The device comprises a body and a clamping assembly, the body can move in a roadway, a drill hole is formed in the inner wall face of the roadway, the clamping assembly comprises a limiting piece and a clamping piece, the limiting piece is arranged on the body, the limiting piece is provided with a limiting hole, a slotting head is arranged in the limiting hole in a penetrating mode, and the slotting head is used for slotting the inner wall face of the drill hole. The clamping piece is arranged on the body and located below the limiting piece, the clamping piece can move in the direction of the central axis of the limiting hole relative to the body, the clamping piece is used for clamping the extension section, and the clamping piece can clamp the extension section to move towards the slotting head and install the extension section on the slotting head. According to the device for shaped charge blasting, the quality of a project can be guaranteed, and the cost is saved.

The present invention discloses a ground-free support equipment for assembled structural floor, which relates to the field of building construction technology, including: a supporting steel truss, supporting members symmetrically arranged at both ends of the supporting steel truss, and a lifting assembly arranged between the supporting steel truss and the supporting member, the supporting member being connected to the bottom of the supporting steel truss by fixing bolts; a heating and softening gasket is provided on the upper edge of the bottom of the supporting steel truss, and the supporting steel truss is separated from the prefabricated board by heating and softening the heating and softening gasket, so as to realize the disassembly and reuse of the supporting member, the lifting assembly and the supporting steel truss. The present invention can effectively improve the local bearing capacity and overall stability of the device through accurate calculation and reasonable arrangement of supporting members, and the height of the supporting steel truss can be adjusted through the lifting assembly, thereby achieving the purpose of adjusting the prefabricated board above the supporting steel truss.