122results about How to "Improve project quality" patented technology

The invention discloses a special-shaped steel structure curtain wall construction method based on BIM + three-dimensional scanning, and belongs to the field of building construction, and the construction method comprises the following specific steps: I, carrying out three-dimensional laser scanning on a special-shaped steel structure main body; iI, post-processing scanning point cloud data; iII, reversely establishing a special-shaped steel structure entity model by using the processed point cloud data; iV, performing comparative analysis on the point cloud model of the main body structure and the BIM model; the method can solve the problem of poor installation effect caused by certain deviation between the traditional curtain wall production and installation and an on-site main body, can carry out scanning modeling on a building main body of a special-shaped steel structure, can carry out precision comparison with an original design drawing, and can import model data into a total station to realize automatic lofting; and meanwhile, the construction precision and the construction efficiency are remarkably improved, the reworking problem caused by inaccurate installation is effectively avoided, and therefore the engineering quality is improved.

The invention relates to the technical field of building construction, in particular to a tubular column foot pre-embedding positioning method and device. The method comprises the steps of obtaining a steel structure construction drawing; constructing a tubular column and embedded foundation bolt construction model according to a steel structure construction drawing; according to the construction model, a positioning relation between the embedded foundation bolts and the vertical main reinforcements is established; construction model collision analysis and a three-dimensional simulation experiment are carried out based on the positioning relation of the embedded foundation bolts and the concrete main reinforcements; and processing and mounting the steel structure device based on the construction model. By optimizing construction nodes, the engineering quality is improved, the problem that the embedded steel plate cannot be reused is solved, the vertical column rib and foundation bolt embedded steel plate grinding tool is controlled to freely stretch out and draw back to control the position of the reinforcing steel bar, the effect of reusing different column diameters is achieved, the construction efficiency is improved, the progress is accelerated, and the construction cost is reduced. And the method has good economic and social benefits.

The invention relates to the technical field of the Internet of Things, in particular to an integrated parking space management system and method based on the Internet of Things. The system comprises an electronic parking space lock which is used for identifying vehicle license plate information of a vehicle owner and unlocking and locking the parking space lock after comparison according to input information; the parking space management all-in-one machine is used for storing vehicle information of a vehicle owner and controlling opening and closing of the electronic parking space lock; and the client is used for inputting the vehicle information of the vehicle owner into the parking space management all-in-one machine and remotely controlling the electronic parking space lock to be opened and closed. According to the technical scheme, in the equipment installation process, operation is easy and convenient, intelligent management can be effectively carried out on parking spaces, one-to-one independent equipment control and independent installation can be achieved, use is convenient, the trouble of getting on and off of an automobile owner is reduced, and a remote control key does not need to be kept all the time.

The invention discloses a fabricated shear wall component positioning and mounting system and method. The system comprises a steel bar frame arranged at the top of a lower-layer shear wall component and triangular frames arranged on the side face of a to-be-mounted layer shear wall component in parallel at intervals. A connecting handrail is arranged on the tripod; the positions of electrical wiring preformed holes and embedded bolts are positioned by arranging a steel bar frame at the positions of hanging nails on a lower-layer shear wall component, so that the accuracy of embedding of wire pipes and bolts is ensured; the in-place installation track of the to-be-installed layer shear wall component is controlled through the positioning grooves in the triangular frames, so that connection between the to-be-installed layer shear wall component and top joint bars of the lower layer shear wall component is accurate; the connecting handrails are used for assisting in in-place mounting of the to-be-mounted layer shear wall component and the lower layer shear wall component, shaking in the connecting and positioning process of the shear wall and the joint bars of the base is avoided, and the assembling efficiency of the shear wall is improved.

The utility model discloses a 3D printing lens and a projection device, comprising a front group lens group, a diaphragm and a rear group lens group which are sequentially arranged in a direction from an object plane to an image plane, and the focal length of the lens is 10mlt; flt; the focal length of the front lens group is-100mm, and the focal length of the rear lens group is-100mm; f front lt; the focal length of the rear lens group is-50mm, and the focal length of the rear lens group is 15mlt; f rear lt; 25 mm; the lens is highly matched with a 0.47-inch DMD chip, the offset rate of the lens can reach 0%, optical distortion is small, imaging is good, and the projection ratio of the lens is larger than 0.5 and smaller than 1.35; the device has a large defocus range and can adapt to an unstable lighting environment; the imaging picture brightness is uniform, the edge loss light energy is less, and the illumination light utilization rate is high.

The utility model discloses a laser vertical positioning device for the center of a pipeline. The laser vertical positioning device comprises a shaft rod, a cross-shaped shaft sleeve, a rotating shaft, an inclined strut, a vertical rod, a vertical instrument mounting frame, a vertical instrument, a laser calibrator mounting base, a laser calibrator, a positioning bolt and a sleeve. The device is reasonable in structural design, the workload of secondary holing and casing pipe burying caused by inaccurate casing pipe position burying is greatly reduced, the damage to secondary holing of a floor slab is reduced, the engineering quality is improved, the construction progress is accelerated, and more materials and labor are saved.

The invention relates to the technical field of prefabricated formworks, in particular to an arc-shaped equipment foundation prefabricated formwork equally-divided assembling and reinforcing method which comprises the steps that firstly, lofting is conducted on plywood according to the foundation diameter, a corresponding circular formwork outline is cut out, and a bottom fixing plate and a top end fixing plate are manufactured; finally, the base is divided into an even number of bottom fixing plates and top end fixing plates according to the diameter of the base; equilong battens are cut according to the height of the foundation to form supporting assemblies, and the supporting assemblies are evenly distributed between the bottom fixing plate and the top end fixing plate and fixed through nails, so that a prefabricated circular-arc-shaped equipment foundation framework is formed; the corresponding circular-arc-shaped equipment foundation framework is assembled on the bottom plate, and a complete circular-arc-shaped equipment foundation prefabricated formwork is formed; flattening an iron sheet higher than the top end fixing plate on the fixing cambered surface; and after the internal iron sheet is fixed, a circle is defined on the fastening groove by using a reinforcing steel bar, and the joint is fastened by using an opposite-drawing lead screw and then is welded and reinforced at the joint.

The invention belongs to the technical field of concrete, and particularly relates to high-specific-gravity self-compacting concrete and a preparation method thereof. The high-specific-gravity self-compacting concrete is prepared from the following raw materials in parts by mass: 560 to 671 parts of natural coarse aggregate, 725 to 906 parts of iron ore, 300 parts of natural fine aggregate, 446 parts of steel slag sand, 383 parts of cement, 0 to 54 parts of steel slag powder, 107 parts of fly ash, 2.6 to 13.6 parts of water reducing agent and 150 to 182 parts of water. The performance of the concrete is greatly improved by improving the microcosmic performance of the concrete and grading of all the components, and the purposes of reducing the use amount of cement, reducing shrinkage and creep of the concrete, reducing CO2 emission, saving energy, protecting the environment and achieving green construction are achieved while high specific gravity, self-compaction and high strength of the concrete are achieved.

An automatic generation method for a digital construction scheme of a power transmission line project comprises the steps that the digital construction scheme of the power transmission line project is decomposed, an automatic generation model of the digital construction scheme of the power transmission line project is constructed, and the automatic generation model comprises a state space, an action space, an intelligent agent and a reward function; the intelligent agent comprises a strategy network and a value network, the strategy network is used for outputting action probability distribution, the value network is used for outputting a state value, and the reward function comprises an efficiency reward, a quality reward and a security penalty; training the intelligent agent by using a PPO algorithm, and optimizing parameters of the strategy network by minimizing a loss function; and then obtaining an optimal digital construction scheme of the power transmission line project based on the trained automatic generation model. According to the method, deep reinforcement learning and automatic generation of the digital construction scheme of the power transmission line project are combined, and the obtained optimal scheme can improve the construction efficiency, improve the project quality and ensure the construction safety.

The invention belongs to the field of cementing materials for rigid pavement, and relates to an alkali-activated cementing material and a preparation method thereof, and the alkali-activated cementing material comprises the following main components: 160-200 parts of slag, 140-170 parts of garbage ash, 220-260 parts of fly ash, 100-140 parts of sodium silicate, 16-24 parts of NaOH, 140-160 parts of water and 1200-1260 parts of sand. The water-binder ratio of the alkali-activated cementing material is 0.28 to 0.38. The alkali-activated cementing material prepared by the technical scheme of the invention has the characteristics of simple preparation, high early strength, high later strength, fast setting and hardening, good fire resistance, good environmental protection performance and the like, can significantly improve the working performance and durability of a building structure, can realize large-scale recycling of industrial wastes, and has wide application prospects. And environmental pollution caused by engineering construction is reduced.

The invention relates to the technical field of data delivery, and discloses an engineering data digital delivery method and system based on a BIM large model, and the system comprises a data collection unit, a data integration unit, an association processing unit, and a data delivery unit. According to the method, various data are collected from each related system and terminal of the project, rich contents such as a BIM model and a design drawing are covered, a complete data basis is provided for project management, and information loss is avoided; a specific conversion algorithm is adopted for data of different sources, for example, CAD drawings and the like are subjected to accurate format conversion and association, an information base is constructed with a BIM model component as a core, and data availability and management efficiency are improved; by assigning a unique identifier to the component and establishing association between multiple aspects and the component, information of each stage of the component can be conveniently traced, and engineering management is powerfully supported; by means of correlation analysis, the data value is improved, data potential relations are mined, problems are found, the scheme is optimized, and more valuable information is provided for operation and maintenance management.

The invention belongs to the technical field of early warning and deviation correction for lowering inclination of a steel cofferdam, and relates to an early warning and deviation correction system and method for lowering inclination of a deepwater double-wall steel cofferdam without a sealing bottom. According to the method, by evaluating the potential influence of the environment where the target double-wall steel cofferdam without the back cover is located, inclination, caused by environmental factors, of the double-wall steel cofferdam without the back cover in the lowering process is reduced, and it is also avoided that constructors work in the dangerous environment; the inclination reason is analyzed in a multi-dimensional manner by judging the inclination early warning requirement and the inclination correction requirement of the target bottom section of the double-wall steel cofferdam without the back cover and the current heightening section as well as the inclination early warning requirement and the inclination correction requirement of the target bottom section of the double-wall steel cofferdam without the back cover when the target bottom section of the double-wall steel cofferdam is put down at present; whether the bottom section of the steel cofferdam is abnormally inclined or not can be conveniently perceived at the first time, constructors are reminded to take measures, serious safety accidents such as structural damage and even collapse caused by excessive inclination of the steel cofferdam are avoided, and damage to the structure of the steel cofferdam due to inclination of the bottom section is also avoided.

The invention discloses an ultra-high performance concrete shrinkage test method, and relates to the technical field of concrete monitoring, and the method comprises the following steps: recording dynamic changes of an internal pore structure and moisture distribution of concrete in real time, and generating a real-time pore distribution curve and a moisture change curve through a spectral image processing algorithm; constructing an incremental compensation model based on the pore distribution curve and the moisture change curve, and calculating a dynamic compensation factor by using a Kalman filtering algorithm; inputting the dynamic monitoring data packet into the incremental compensation model, updating the incremental compensation model by combining the dynamic compensation factor, and generating a contraction behavior prediction curve; and performing fitting analysis on the contraction behavior prediction curve and the dynamic monitoring data packet, extracting a key contraction rule, and generating a rule analysis report. According to the method, the key shrinkage rule is extracted through multi-step prediction, the rule analysis report is output, the method has remarkable advantages in the aspects of high-precision prediction, real-time monitoring and rule extraction, and optimization of concrete material performance and improvement of engineering quality are facilitated.

The invention relates to the technical field of bridge rectangular pier body pouring, and discloses a bridge rectangular pier body steel bar positioning clamp which comprises a mounting frame. The four mounting openings are formed in the mounting frame, and each mounting opening is of a long-strip-shaped structure; the latches are fixed in the four mounting ports respectively, and the latches located in the same row jointly form a zigzag structure; the sliding seats slide in the four mounting openings respectively, and a mounting groove is formed in the bottom surface of each sliding seat; the mounting cylinders are fixed to the top faces of the sliding seats correspondingly. By arranging the movable sliding seat, the construction flexibility and efficiency are greatly improved, and in the construction process of the rectangular pier body of the bridge, the positioning of reinforcing steel bars often needs to be accurately adjusted according to specific construction conditions and design requirements, so that the construction time and the labor cost are greatly saved.

The utility model discloses a mortar rubble interception and drainage ditch construction mold which comprises a transverse supporting rod which is horizontally arranged, and the two ends of the transverse supporting rod are inserted into soil layers on the two sides of a drainage ditch respectively. The at least two joint bars are vertically connected to the two ends of the transverse supporting rod, and the joint bars are vertically inserted into the soil layer of the drainage ditch; the bottom rod is located below the transverse supporting rod, and the bottom rod is parallel to the bottom of the drainage ditch; the two side rods are located on the two sides of the bottom rod respectively, one end of each side rod is connected with the transverse supporting rod, the other end of each side rod is connected with one end of the bottom rod, and the two side rods are parallel to the two side faces of the drainage ditch respectively; the transverse supporting rods, the joint bars, the bottom rods and the side rods are steel pipes. By means of the mold, the construction efficiency can be greatly improved, and the construction period can be shortened; and secondly, the mold can guarantee the construction quality, errors can be reduced by accurately controlling the size and the shape of the ditch, and the engineering quality is improved.

The utility model discloses an assembly type water wave imitating permeable dam structure which comprises a dam head component, a dam body component and a dam root back plate component, the dam body component comprises a plurality of unit components which are connected end to end in the longitudinal direction, the head end of the dam body component is connected with the dam head component, and the tail end of the dam body component is connected with a dam root back plate in a closed mode; each unit component comprises an upstream face, a downstream face, a dam top portion and a dam bottom portion which are connected in a surrounding mode, the interiors of the unit components penetrate in the longitudinal direction to form a water wave simulating permeable cavity, the transverse middle of each dam bottom portion protrudes upwards to form an arch support, and the two transverse sides of each dam bottom portion extend outwards to form dam toes; the dam head component and the dam body component are each provided with a water permeable mechanism. By adopting the water-wave-imitating structural form, the water pressure generated by water flow on the dam body can be effectively reduced, and the stability of the dam body can be improved; the fabricated structure is adopted, so that the site construction operation time can be shortened, the contradiction between construction and navigation is relieved, the project quality can be improved, and fine management and green construction are achieved.

The invention relates to a roof waterproof system based on ultra-high-performance concrete waterproof layers, which is characterized in that at least one ultra-high-performance concrete waterproof layer is arranged on a roof, and the ultra-high-performance concrete waterproof layer is not provided with a dividing joint; the ultra-high performance concrete waterproof layer serves as a part of the structural layer and forms a composite waterproof layer with the common reinforced concrete layer of the structural layer. Or the ultra-high-performance concrete waterproof layer is laid on the structural layer, the slope making layer or the heat preservation layer to form an ultra-high-performance concrete independent waterproof layer; when the ultra-high performance concrete independent waterproof layer is arranged on the structural layer or the slope making layer, the leveling layer can be canceled; when the ultra-high-performance concrete independent waterproof layer is arranged on the heat preservation layer, the isolation layer is arranged between the ultra-high-performance concrete independent waterproof layer and the heat preservation layer, the ultra-high-performance concrete independent waterproof layer has waterproof and protection functions, and a protection layer can be omitted. The long-acting waterproof goal that the roof is waterproof and the building structure has the same service life is achieved, the roof structure level is simplified, the construction efficiency and the engineering quality are improved, and the construction cost is reduced.

The utility model provides a prefabricated assembly type beam-column connecting node and a prefabricated assembly type frame structure, the beam-column connecting node comprises a prefabricated column which is a reinforced concrete column; the end precast beam is a reinforced concrete beam, a first longitudinal rib is arranged on the end precast beam, at least part of the first longitudinal rib is poured in the end precast beam, and part of the first longitudinal rib extends into the precast column and is poured into a whole with the precast column; at least part of the end beam connecting accessory is arranged in the end precast beam, and part of the end beam connecting accessory is reserved outside the end precast beam. According to the beam-column joint, the end beam connecting accessories and the main beam connecting accessories are connected and fixed through bolts or welding, secondary concrete pouring is not needed, the quality is more controllable, a stable structure can be formed during hoisting, construction of the upper layer can be conducted after construction of the first layer is completed, and the construction speed is increased.

The invention relates to a device for removing bubbles in concrete based on ultrasonic waves, comprising a base, a first connecting rod, a second connecting rod and a first cylinder are arranged above the base, a connecting rod is arranged on the lower side of the second connecting rod, one end of the first cylinder is movably connected to the base, the other end of the first cylinder is movably connected to the connecting rod, the lower end of the first connecting rod is movably connected to the base, the lower end of the second connecting rod is movably connected to the base, the upper end of the first connecting rod is movably connected to a telescopic mechanism, and the upper end of the second connecting rod is movably connected to the telescopic mechanism; the telescopic mechanism is movably connected to a third connecting rod and a fourth connecting rod ultrasonic device, and a third cylinder is further arranged between the telescopic mechanism and the third connecting rod; the device has a simple structure and is easy to operate, is conducive to improving construction efficiency, has a very good concrete bubble removal effect, greatly improves engineering quality, and avoids quality problems of engineering construction caused by bubbles in concrete.

The present application relates to a method for positioning anchor block construction. The method comprises: in response to an anchor block construction instruction, obtaining the positioning antenna coordinates corresponding to the anchor block construction vessel and the physical parameters of the construction vessel; determining the anchor block construction coordinate system corresponding to the anchor block construction vessel according to the positioning antenna coordinates and the physical parameters of the construction vessel; in the case where the shipboard transducer of the anchor block construction vessel cannot directly communicate with the underwater transponder, determining the anchor block construction area parameter information according to the anchor block construction coordinate system; based on the anchor block construction area parameter information, triangulating the position information of each underwater transponder to obtain the anchor block construction coordinates of each anchor block in the anchor block construction coordinate system. The use of this method can effectively improve the positioning accuracy of the construction position of the anchor block, reduce errors, optimize construction efficiency, ensure the reliability and safety of the construction process under complex sea conditions and limited communication conditions, and ultimately improve the project quality and overall construction effect.

This utility model relates to the field of building engineering technology and discloses a rapid assembly guide device for prefabricated components. It includes a connecting plate, to which multiple telescopic rods are fixedly connected. A connecting plate is fixedly connected to the outside of each telescopic rod, and a support plate is fixedly connected to the outside of each connecting plate. A driving mechanism is fixedly connected to the outside of the support plate. A guide post is fixedly connected to the bottom of the connecting plate, and a positioning mechanism is fixedly connected to the outside of each guide post. The driving mechanism includes a cylinder, to which a connecting block is fixedly connected. Multiple follower plates are fixedly connected to the outside of the connecting block. In this utility model, the cylinder drives the connecting block, causing the follower plates to move an L-shaped plate, which in turn causes the connecting plate to move a drive plate, which in turn causes the connecting rods to move a fixed plate. This allows the device to adapt to the assembly of different sized panels, improving its versatility.

The invention belongs to the technical field of asphalt concrete base construction, and particularly relates to an asphalt concrete longitudinal and transverse joint treatment method. The method comprises a bituminous concrete longitudinal joint treatment step and a bituminous concrete transverse joint treatment step. The longitudinal joint treatment step comprises formwork erecting; longitudinal templates are laid on the edge of the paving surface and fixed; the concrete materials on the inner sides of the longitudinal formworks are spread and rolled; the longitudinal formworks are removed after cooling, and paving of longitudinal adjacent sections is started; after paving is completed, longitudinal joint static pressure and paving surface rolling are carried out; the transverse joint treatment step comprises the steps of pre-burying a transverse template and then starting longitudinal rolling; after rolling is completed, mold removal is started after the asphalt concrete surface is cooled and shaped, and then transverse joints are paved, rolled and trimmed; and after the transverse joints are treated, the longitudinal rolling process is started. The longitudinal formworks and the transverse formworks can provide effective support in the asphalt concrete compaction process, mixed materials are prevented from overflowing, and the compaction degree and porosity of the edge asphalt concrete are improved.

This utility model provides a sealing device for a dewatering well in a structural base plate, comprising a pre-embedded sleeve, a sealing plate, a first water-stop ring, and an operating rod. A pre-drilled hole is provided on the inner bottom plate of the pre-embedded sleeve. The sealing plate is fixed inside the pre-embedded sleeve by a limiting mechanism to seal the pre-drilled hole. The first water-stop ring is sandwiched between the inner bottom plate of the pre-embedded sleeve and the sealing plate around the pre-drilled hole. The operating rod is detachably mounted on the sealing plate to move the sealing plate to the limiting mechanism. Compared with existing technologies where welding quality is difficult to control, this utility model, through the synergistic effect of the above structures, can effectively seal the dewatering well, preventing seepage and leakage in the later stages of sealing, thus improving project quality. Furthermore, this sealing device has low environmental requirements and can be used even when the groundwater level is high or when there is confined water in the strata.

The invention discloses an in-situ protection construction method for a large-diameter shallow-buried pipeline in municipal engineering. The in-situ protection construction method comprises the steps that S1, preparation before construction is conducted; s2, stirring pile construction; step S3, pipeline monitoring; s4, embedding steel pipes and reinforcing steel bars; s5, detecting the stirring pile; s6, cap beam construction; s7, prefabricating a cover plate; s8, mounting a cover plate; and S9, earthwork backfilling is conducted. The construction operation is flexible, and the project construction period and quality are guaranteed.

The invention relates to the technical field of geotechnical engineering, and particularly discloses a method and device for testing the in-situ expansive force of expansive rock in a tunnel, and the method comprises the steps: selecting a test point, excavating a groove, and installing a force measuring system comprising at least three soil pressure gauges, two force measuring systems are used for testing the expansive force after water injection, and one force measuring system is not used for reference after water injection; a water injection system is arranged and comprises a water injection pipe, sponge, a water tank and a control valve, the water injection pipe is wound around the tested soil pressure gauge, fine sand is arranged in the water injection pipe, holes are formed in the surface for water injection, and a water outlet is reserved outside a groove; the groove is backfilled with cement mortar, and after the cement mortar is solidified into a whole, construction excavation of the counter-force system is completed; after installation is completed, the initial reading of the soil pressure gauge is firstly tested, surrounding rock is expanded through water injection of the water tank and the valve, and the reading is monitored and recorded; and finally, comparing the reading changes of the water injection point and the non-water injection point, and evaluating the surrounding rock expansive force. The test period is short, and the expansive force characteristic of the expansive rock under the in-situ condition is truly reflected.

The invention belongs to the technical field of pile foundation construction, and particularly relates to a construction method of an environment-friendly high-strength precast concrete pipe pile, which comprises the following steps: step 1, before construction, carrying out detailed investigation on a construction site through a geological radar, determining underground obstacles and geological conditions, formulating a hole forming and pile planting scheme according to a geological report, and constructing a pile; and proper drill bits and pile types are selected. According to the construction method, by arranging a hydraulic static pile planting technology, energy consumption and environmental influence in the construction process are effectively reduced, and noise and vibration are reduced; the equipment integrates various piling modes such as hammering, vibration and static pressure, the modes can be switched at any time according to geological changes in the construction process, the equipment does not need to be replaced, time and cost are saved, the construction efficiency is improved, meanwhile, the construction requirements of different engineering types can be met, the application range of the equipment is widened, and the equipment is worthy of popularization and application. And the universality of the equipment is improved.

The utility model relates to the technical field of pile foundation sediment cleaning, in particular to a pile foundation sediment thickness efficient cleaning instrument which comprises an upper sediment discharging pipe located on the upper portion, the bottom of the upper sediment discharging pipe is connected with a lower sediment discharging pipe, and the bottom of the lower sediment discharging pipe is connected with an inner collecting pipeline. A gathering cover is installed on the periphery of the bottom of the lower deslagging pipe and the connecting end of the inner collecting pipeline, a plurality of fixing frame bodies and foldable frame bodies for fixing the gathering cover are further arranged on the periphery of the lower deslagging pipe, and an air inlet pipe communicated to the interior of the instrument is further fixedly arranged on the outer side of the upper deslagging pipe. Compared with an existing cleaning mode, the efficient pile foundation sediment thickness cleaning instrument has the remarkable advantages of being efficient, accurate, safe, environmentally friendly and the like, the requirement for pile foundation sediment cleaning can be better met, and the engineering quality and efficiency are improved.

The utility model discloses an assembly type disassembly-free steel bar truss floor support plate which comprises a first floor support plate, a second floor support plate is arranged on one side of the first floor support plate, a connecting device is arranged on the first floor support plate, and the connecting device comprises an inclined block, a conical block, an inserting block, an inserting groove, an inserting rod, an inserting sleeve, a clamping groove and an elastic plate. The multiple inserting sleeves are installed at the corresponding positions of the first floor bearing plate and the second floor bearing plate correspondingly, the inserting rods are installed in the inserting sleeves, the elastic plates are installed in the inserting sleeves, the clamping grooves are formed in the side walls of the inserting rods, the conical blocks are connected to the bottom ends of the inserting rods, the inclined blocks are installed in the inserting sleeves, and the inserting grooves are formed in the corresponding positions of the inner sides of the first floor bearing plate and the second floor bearing plate. One end of the inserting block is fixedly connected with the inclined block, the other end of the inserting block is inserted into the inserting groove, a supporting rib is arranged on the first floor support plate, the bottom end of the supporting rib is connected with a positioning device, and the problems that in the prior art, floor support plates are not stable in connection, and steel bars are difficult to position are effectively solved.

The utility model relates to the technical field of constructional engineering, in particular to a water drip assembly which is suitable for being installed below a protruding structure formed by intersection of a vertical face and a horizontal face. The outer side plate is perpendicular to the bottom plate, and the outer side plate is attached and fixed to the outer portion of the vertical face; the waterproof convex corner structure is connected to the intersection position of the bottom plate and the outer side plate, and water is drained and falls down; the inner side plate is far away from the intersection of the bottom plate and the outer side plate relative to the waterproof convex corner structure, the inner side plate is vertically connected with the bottom plate, and the height of the inner side plate is equal to the thickness of plaster on the horizontal plane; through the prefabrication height of the inner side plate, the plastering thickness on the horizontal plane can be effectively defined, the thickness control problem in the plastering construction process can be conveniently solved, the follow-up construction quality is ensured, and in other words, accurate control over the plastering thickness is achieved, and the height of the inner side plate has reference and guiding effects on plastering construction.

The application discloses a structural soft soil vacuum preloading field model test device and method, and relates to the field of engineering construction. The test device comprises a sampling ring cutter barrel, a cutting and lifting plate, an upper sealing cover, water permeable stones, drainage plates, a connecting hose, a suction pump, a monitoring device, a flexible sealing film, a heap loading weight and the like. The thin-walled ring cutter barrel with blades is slowly pressed into the structural soft soil, the soil body is lifted by the cutting and lifting plate and placed on the water permeable stones on the site, the drainage plates and the monitoring device are arranged by using the cutting tool, the disturbance of the test to the structural soft soil is minimized, and thus the optimal vacuum preloading reinforcement scheme closer to the actual situation of the engineering site is obtained. The test device has a flexible structure and can be applied to the field model test of the large-volume soft soil in different modes such as vacuum preloading, heap loading preloading, vacuum-heap loading combined preloading and the like. The test device can meet the requirements of different drainage channel designs, different vacuum environment designs and different monitoring scheme designs, and thus the beneficial effects of improving the engineering quality and saving the funds are achieved.