392results 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 belongs to the technical field of foundation pit supporting, and discloses a foundation pit supporting structure for foundation pit excavation, which comprises an excavator body, a movable soil collecting mechanism is arranged between an excavator bucket of the excavator body and a crawler belt, and the soil collecting mechanism comprises a soil collecting frame, a soil breaking roller and a driving motor. Through the synergistic effect of the soil collecting mechanism, the soil moving mechanism, the mixing mechanism and the supporting mechanism, synchronous excavation and supporting of the foundation pit are achieved, the side wall of the foundation pit is refilled with excavated soil to form a supporting wall, cement slurry is injected through the mixing mechanism to reinforce a soil body, and therefore the problems existing in a traditional method are solved; therefore, the method has the advantages of improving the engineering quality, reducing the risk, saving the cost and conforming to environment-friendly sustainable development.

The invention provides a system and a method for playback and visualization of a program execution process, and aims to improve program teaching and learning efficiency and support troubleshooting of a production environment, especially a server-free architecture. The system comprises a program execution information acquisition module, an execution process playback engine, a multi-dimensional visualization presentation module and a cross-language support framework. Wherein the acquisition module captures detailed information of program execution in real time through dynamic instrumentation; the playback engine gradually reproduces an execution process based on the collected information, and supports interactive debugging; the visual presentation module presents a program state from multiple angles in a graphical mode; the cross-language support framework ensures the compatibility with mainstream programming languages. Compared with the prior art, the method has the advantages that program execution details can be completely recorded and presented in a high-fidelity mode, the complex execution process is visual and visible, the interpretability and the debuggeability of program behaviors are greatly improved, and the method has wide application prospects in the fields of program teaching, troubleshooting and the like.

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 an optical system and optical equipment comprising the optical system.The optical system comprises a lens barrel, a lens set and a spacing element set, the lens set and the spacing element set are arranged in the lens barrel, and the lens set sequentially comprises a first lens, a first quarter-wave plate, a reflective polarization element and a second lens from the first side to the second side along the optical axis, the first lens has positive focal power, and the second lens has positive focal power; and an optical element group consisting of the first quarter-wave plate, the reflective polarizing element and the second lens has positive focal power. The spacing element group comprises a first spacing element which is arranged between the first lens and the second lens and abuts against the second side face of the first lens. The optical system satisfies the following conditions: 0.05 lt; d < 1s >-d < 0s > / C < 1lt >; d1s is the maximum inner diameter of the first side face of the first spacing element in the direction perpendicular to the optical axis, d0s is the maximum inner diameter of the first side end face of the lens barrel in the direction perpendicular to the optical axis, and CT1 is the center thickness of the first lens on the optical axis.

The invention discloses a steel casing-steel pipe pile combined pile group regulation and control system and method in a water area environment. A combined pile group comprises a steel casing, a steel rail assembly and a combined steel rod truss. The steel rail assembly comprises a plurality of vertical steel rails arranged on the outer wall of the steel casing and horizontal steel rails arranged at the bottoms of the vertical steel rails and horizontally arranged in the circumferential direction of the outer wall of the steel casing. The combined steel pole truss comprises a plurality of steel pole truss units which comprise steel pole limiters, steel poles and steel pile limiters at the same time; grouting pipes are respectively arranged on the lower sides of the inner walls of the steel casing and the steel pile; the regulation and control system comprises an axial force strain gauge, an underwater controllable jack and a ground management system; axial force changes of the pile group structure in actual work are measured through the steel rod axial force strain gauges and are output into a ground management system; and the position of the steel rod limiting stopper is adjusted through the underwater controllable jack, so that the axial force of the whole truss structure is uniformly distributed to a limited range, and the real-time monitoring and adjustment of the stability of the combined pile group structure are realized.

The embodiment of the present invention provides a method for installing a pipeline in a tunnel, which belongs to the field of pipeline engineering. The method for installing a pipeline in a tunnel includes: obtaining relevant information of the tunnel, wherein the relevant information includes straightness information, inclination information, and width information; determining the category corresponding to the tunnel according to the relevant information, wherein the category includes a first tunnel category and a second tunnel category; determining the pipeline installation strategy corresponding to the category according to the correspondence between the pre-stored tunnel category and the pipeline installation strategy, wherein the pipeline installation strategy includes welding by automatic welding, and the pipeline installation strategy includes a first strategy corresponding to the first tunnel category and a second strategy corresponding to the second tunnel category, the first strategy adopts a welding method outside the tunnel, and the second strategy adopts a welding method inside the tunnel; installing the pipeline in the tunnel according to the pipeline installation strategy corresponding to the category. The embodiment of the present invention can realize the automatic welding process of the pipeline passing through the tunnel.

The invention belongs to the technical field of highway engineering materials, and discloses a comprehensive evaluation system and method for the performance of a crack pouring adhesive of an asphalt pavement in a seasonal frozen region. Through short-term and long-term aging tests, evaluation indexes such as a penetration ratio, a compression elastic recovery rate and low-temperature stretching are added, and an entropy weight-TOPSIS combination method is adopted, so that the performance of the crack pouring adhesive of the asphalt pavement in the seasonal frozen region is comprehensively evaluated. And constructing an index evaluation model suitable for the working performance of the asphalt pavement crack pouring adhesive in the seasonal frozen region. The test result shows that the control standards of the penetration ratio and the compression elasticity recovery rate after short-term aging are respectively 90% and 30%, and the control standards of the penetration ratio and the compression elasticity recovery rate after long-term aging are respectively 50% and 20%. By adopting the entropy weight-TOPSIS method, whether the sample is qualified or not can be judged, and the advantages and disadvantages of the sample can be comprehensively judged according to the evaluation result of each index. Research results are helpful for improving the application effect and durability evaluation level of the crack pouring material, and supplement and reference data are provided for performance evaluation and standard revision of the crack pouring adhesive in the cold region.

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 invention belongs to the field of offshore wind power, and discloses an on-board grouting pipeline automatic transporting and assembling method which comprises the steps that 1, a pipeline is clamped through a pipeline clamping, lifting and transporting device, and the pipeline is moved to a pipeline centering, clamping and transporting device; 2, the pipeline is clamped and conveyed through a pipeline centering, clamping and conveying device, so that the pipeline is centered, and the pipeline is conveyed to a pipeline assembling and butting device; and 3, the pipelines are subjected to up-down butt-joint assembly through the pipeline assembly butt-joint device. Pipeline sections are connected through threads, and automatic installation of the pipelines is achieved.

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 discloses a novel municipal road roadbed drainage system construction device and method. The construction device comprises a vehicle body, a lifting mechanism, a distance measuring mechanism, a positioning mechanism, an elevation measuring mechanism, a feeding bin, a flow control mechanism, a transmission mechanism and a blade set. The vehicle body walks along the outer edge of the groove according to a planned path. The positioning mechanism walks along the middle line of the road and moves synchronously with the vehicle body. The distance measuring mechanism is arranged on the top of the vehicle body and detects the distance between the distance measuring mechanism and the positioning mechanism so as to adjust the vehicle body advancing direction. The lifting mechanism is arranged on the side edge of the vehicle body and linearly moves in the vertical direction. A sliding plate mold is arranged at the bottom of the flow control mechanism; the elevation measuring mechanism is arranged on the sliding plate mold to detect the elevation; blade sets are arranged at the bottom of the transmission mechanism. According to the construction device, continuous sliding and lifting of the sliding plate mold and continuous pouring of concrete are achieved through sliding formwork construction, the construction period is shortened, high size precision and high surface smoothness of the concrete component are guaranteed, and the overall cost is 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 discloses an expressway optical cable blowing laying construction method. The method comprises the steps of S1, construction preparation; s2, the ratio of the outer diameter of the optical cable to the inner diameter of the silicon core pipe ranges from 0.35 to 0.6; the suitable working environment temperature is 6-32 DEG C; s3, slowly opening a compressed air inlet ball valve, and controlling the traction force of an air seal piston on the optical cable by changing the opening size of the valve; s4, when the feeding distance of the optical cable is short, the opening degree of the air inlet of the valve is small, and then the opening degree is gradually increased until the air inlet is completely opened; and S5, after the optical cable reaches a preset point, namely, the air seal piston comes out of the pipe (the air pressure is sharply reduced at the moment), an observer at the pipe end timely prompts an operator of the cable blowing machine to shut down immediately and stop conveying the optical cable into the pipe, so that the air-blowing laying operation of a section of optical cable is completed. And S6, cable reversing operation, namely conveying the optical cable into the'optical cable reversing device ', so as to pour out the remaining optical cable on the original cable tray and find out the other end to prepare for blowing and conveying the optical cable in the reverse direction.

The automatic production line comprises a closed prefabrication factory, and a plate conveying machine, a building block forming machine, a plate lifting machine, a program control child-mother vehicle, a curing kiln, a plate descending machine, a full-automatic stacking system and a plate turnover machine are sequentially arranged in the prefabrication factory in the material moving direction. The mixing station is connected with the building block forming machine through a belt conveyor, and the full-automatic stacking system is connected with the finished product conveying system. The working efficiency of small prefabricated part manufacturing can be improved, personnel investment is reduced, the engineering quality and the appearance effect can be improved, common quality problems are reduced, and the construction cost is reduced.

The present invention relates to a movable verticality detection device for engineering quality inspection applied to the technical field of measuring devices. The device adopts a spherical shell sealing structure, the interior of which is filled with liquid and evacuated to improve vibration isolation performance. The device is provided with a horizontal shell and a vertical shell supported by buoyancy, and resists external disturbances through a high-speed rotating turntable to provide a stable reference direction. Laser reflection lenses and prisms are used to project a laser beam onto the surface of an object to be measured, and the verticality is judged by comparing the light band deviation. The device adopts a conductive coil to transmit power and signals, and a laser angle detection component corrects errors in real time. The permanent magnet adsorption method is easy to install, and the controller realizes automatic operation and data processing, thereby improving detection efficiency and accuracy. The present invention integrates laser and electronic technologies, realizes automatic and intelligent detection, improves detection accuracy and efficiency, is suitable for engineering construction, precision instrument calibration and other fields, and has broad application prospects.

The invention discloses a QMS-based building construction quality management system, method, equipment and medium, and the system comprises a project information management module, a quality standard setting module, a construction process monitoring module, a quality detection and evaluation module, a problem rectification and tracking module, a data analysis and decision support module and a system interface module which have corresponding functions and performance indexes. For example, the information storage integrity is more than 98%, the quality standard setting accuracy is more than 95%, an innovative formula is used for quality evaluation, and equipment and media have clear requirements, so that efficient and accurate building construction quality management is realized; the system improves the building construction quality management efficiency and precision, guarantees that the quality reaches the standard, reduces the risk, improves the benefits, promotes the quality improvement and technical progress of the building industry through the functions of precise evaluation, efficient rectification, intelligent decision making and the like, and has a remarkable application value.

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 utility model relates to the technical field of concrete pipe piles, and discloses a building concrete pipe pile which comprises a pipe pile body, a first spring is arranged on the surface of the pipe pile body, a first protection pipe is fixedly connected to the surface of the first spring, a groove is formed in the surface of the first protection pipe, and an insertion block is connected to the surface of the groove in an inserted mode. According to the building concrete pipe pile, through cooperative arrangement of the pipe pile body, the base, the shaking plate, the main rod, a second spring, an auxiliary rod and a vibration motor, when the building concrete pipe pile is used, a worker turns on a switch of the vibration motor, then the second spring in the auxiliary rod begins to shake, meanwhile, the main rod begins to shake, the shaking plate is driven to shake, and the base is driven to shake; and therefore, when a worker pours cement in the pipe pile main body, due to the fact that air easily enters the concrete and bubbles are generated, the device vibrates, so that the air in the concrete filling layer can be discharged outwards, and bubbles are prevented from being generated in the concrete filling layer.

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 utility model discloses a concrete pouring device for constructional engineering construction, and belongs to the field of constructional engineering construction equipment. The device mainly comprises a carrier, a telescopic rod and a pouring structure, wherein a discharging end communicated with the interior of the carrier is arranged on the outer side wall of the carrier; one end of the telescopic rod is movably connected with the carrier and located on one side of the discharging end. The pouring structure is connected to one side of the carrier in a rotatable mode, and part of assemblies are movably connected with the telescopic rod; a rotatable bulk material disc and a driving assembly used for driving the bulk material disc to rotate are arranged at the end, away from the carrier, of the pouring structure. The multi-channel concrete pouring is provided for the pouring of the pile foundation, so that the pile foundation can be uniformly poured, the possibility of segregation of the concrete in the pouring process is reduced, and the engineering quality is effectively improved. The concrete pouring device is mainly used for pouring concrete.

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.

According to the variable-diameter high-pressure jet grouting pile, an effective solution is correspondingly provided for a drill bit and a guniting blade, and the problems that the diameter of an existing high-pressure jet grouting pile cannot be adaptively adjusted according to the stratum condition, the grout outlet end is prone to being blocked, the fusion degree of cement and soil is not high, and the guniting blade is prone to being wound are expected to be solved. Comprising a high-pressure jet grouting drilling machine, the high-pressure jet grouting drilling machine is connected with a slurry feeding system, a hollow working drill shaft is arranged at the working end of the high-pressure jet grouting drilling machine, a variable-diameter drill bit is connected to the front end of the working drill shaft, and a group of continuously extending spiral stirring wings, a plurality of groups of stirring blades and a slurry spraying system are arranged outside the working drill shaft.

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 present disclosure relates to a bored cast-in-place pile construction early warning method, device, equipment and system. The method comprises: in the process of making the steel cage, obtaining the key parameters of the steel cage, and giving an early warning based on the key parameters of the steel cage; after the steel cage is made, in the process of drilling construction, giving an early warning based on the drilling parameters of a single borehole; after the drilling construction is completed, in the process of pouring concrete, obtaining the pouring parameters, and giving an early warning based on the pouring parameters. The present application provides an early warning in a timely manner based on the parameters of each of the three parts of bored cast-in-place pile construction. It turns passive quality inspection into active quality inspection. It helps to improve the engineering quality of bored cast-in-place pile construction projects, helps to avoid rework due to non-compliant parameters, helps to improve construction efficiency, and improves the accuracy of construction quality control.