66results about How to "Improve construction accuracy" patented technology

The utility model discloses a prefabricated diaphragm wall type assembled subway entrance and exit structure which comprises side wall structures, a prefabricated top plate and a prefabricated bottom plate are arranged between the side wall structures of the entrance and exit, the prefabricated top plate and the prefabricated bottom plate are both connected with the side wall structures through ultrahigh concrete, and the side wall structures are formed by integrating an enclosure structure and a main body structure. The side wall structure comprises prefabricated underground diaphragm walls, and underground diaphragm wall inter-amplitude connecting assemblies are arranged between the adjacent prefabricated underground diaphragm walls. The foundation pit support structure, the waterproof curtain and the side wall of the main body structure are integrated, so that working hours and manufacturing cost are saved. According to the utility model, the connection scheme of the waterstop strip bags, the C / T inter-width connectors and the UHPC concrete wet joints is adopted between the prefabricated underground diaphragm walls, so that the waterproof and guiding effects are achieved. According to the utility model, the longitudinal tensioning connection scheme of the inter-width concave-convex tenons, the elastic sealing gaskets and the prestressed steel bars is adopted between the prefabricated plate widths, so that not only can shearing force be effectively transmitted, but also a water stopping effect can be achieved.

The utility model discloses a piling device of a piling hammer, and belongs to the technical field of piling equipment. The pile hammer driving device comprises a first driving part, a hollow connector and a second driving part. The first driven part is connected with a pile hammer. The hollow connecting body is connected with the first hitting replacing part in a welded mode. The second driving part is in welded connection with the hollow connecting body and is in contact with the pile during driving. Rail grooves are welded to the side edges of the first driving replacing part, the hollow connecting body and the second driving replacing part which are sequentially welded, and the rail grooves and the pile hammer are located on the same rail. The piling device of the piling hammer is simple in structure and high in mounting and dismounting efficiency, accurate guidance is provided for piling construction through the design of the track grooves, and construction accuracy and construction efficiency are improved.

This invention discloses a method for overlapping construction of waterproofing systems in existing subway lines. It relates to the field of underground engineering waterproofing construction technology and includes: Step 1, current status investigation and deformation assessment; Step 2, overlapping structure system design; Step 3, key material selection and process matching; Step 4, refined overlapping construction process; and Step 5, full inspection after each process. This invention's method for overlapping construction of waterproofing systems in existing subway lines, through Step 1, involves structural deformation monitoring and analysis and diagnosis of the existing waterproofing layer; Step 2, involves deformation adaptation structure design and differential deformation compensation design; Step 3, involves material selection and process innovation; Step 4, involves base treatment, interface treatment, expansion joint and node construction, and reinforcement layer construction; and Step 5, involves process inspection. This method, tailored to the characteristics of existing subway lines, enables the effective combination of different waterproofing materials, adapts to continuous deformation, and ensures long-term reliability.

According to the H-shaped horizontal bridge frame reserved hole fixing device, through simple structural design, the positioning device and a pouring formwork are assembled for use, the position of each layer of reserved hole can be quickly and accurately positioned, the accuracy of the position of each layer of reserved hole is improved, meanwhile, the reworking cost in the later period is reduced, and the working efficiency is improved. Belongs to the technical field of building construction, and comprises a pouring template, a positioning device is fixedly arranged on the pouring template, and the positioning device comprises a bottom plate; a plurality of positioning holes are formed in the upper end surface of the bottom plate; a clamping assembly is fixedly arranged on the upper end face of the bottom plate. A center hole is formed in the center of the upper end face of the bottom plate.

The utility model relates to a wall surface metal plate mounting system which comprises a keel assembly fixed to a wall surface, the side, away from the wall surface, of the keel assembly is a mounting surface, a plurality of clamping pieces are arranged on the mounting surface, the side, away from the mounting surface, of each clamping piece is provided with a clamping groove penetrating in the vertical direction, all the clamping pieces are divided into a plurality of sets, and all the sets are arranged in the horizontal direction. The clamping pieces in the sets are sequentially arranged in the vertical direction, the clamping grooves of the clamping pieces in the sets are combined to form an assembly interval, a clamping structure matched with the assembly interval is arranged on one side of the metal plate, the extending direction of the clamping structure is consistent with that of the clamping grooves, the clamping structure is clamped in the assembly interval in a vertical inserting mode during installation, and therefore rapid positioning and stable fixing are achieved. According to the wall surface metal plate installation system, due to the fact that the clamping piece grouping arrangement and clamping assembly structure is adopted, the problems that in a traditional installation mode, abutted seams are rough, construction is complex, and gluing treatment is needed are effectively solved, and then the technical effects that metal plates are rapidly assembled, tight in splicing, attractive in appearance and suitable for standardized industrial construction are achieved.

The utility model discloses a kind of quick installation structure of assembly type concrete curb for road construction, it includes pedestal assembly, connecting assembly and locking assembly.Pedestal assembly realizes curb quick positioning by positioning groove;Connecting assembly realizes accurate butt joint of adjacent curbs using plug-in part and guide piece;Locking assembly realizes firm fixation by locking rod and locking sleeve.The present application can simplify construction steps, improve installation accuracy, enhance structural stability, while facilitating post-maintenance and reuse, with high practical value and popularization prospect.

This invention discloses a method for identifying the connection location of underground dissimilar pipelines based on 3D image reconstruction, belonging to the field of location recognition technology. It addresses the problems of distorted spatial structure representation and insufficient accuracy in determining connection locations. By segmenting the underground pipeline, fusing ground-penetrating radar reflection data and electromagnetic detection results, abrupt gradient coefficients are calculated to mark potential material abrupt change segments. 3D scan data of the marked segments are retrieved, and combined with scan density and segment structure information, connection candidates are generated. Enhanced scanning is performed on the candidates, and the pit landing point is determined through spatial coarseness features. The existence of a connection interface is determined based on local point clouds, regional point clouds are extracted, and axis fitting is performed on the regional point clouds to obtain 3D misalignment data of the pipelines on both sides. The construction area is divided based on the soil obstacle density around the connection interface, and the connection center point is output based on misalignment constraints. This significantly improves construction accuracy and reduces the risk of blind excavation.

The invention provides a kind of buried track bed plate, track bed and its construction method, because with multiple buried vibration isolators, plate body is arranged on the basement by multiple rubber springs, adopts point support mode to cut off the rigid connection between track structure and basement structure, absorbs the impact energy when train runs, realizes vibration reduction and noise reduction.The construction method of the invention combines the concept of prefabricated building, can improve construction accuracy and effect, the plate body uses prefabricated plate, the mounting seat of buried vibration isolator is pre-buried below the plate body, during construction, only need to place the height adjusting washer and spring assembly containing rubber spring on the basement at the set vibration isolator position, then place the prefabricated plate on the basement, make the upper end of spring assembly embedded in the corresponding mounting seat, the construction of buried track bed plate can be completed, therefore, construction is convenient, short construction period, suitable for track construction on viaduct.

The application provides a new line railway transmission and data network port intelligent planning method and system, relates to the railway communication technical field, and solves the technical problems of low efficiency, easy error and difficulty in meeting complex design specifications caused by the dependence of the existing railway communication port planning on manual experience. The method comprises the following steps: obtaining a business requirement list and a device resource list; constructing a constraint optimization model based on a preset port planning rule library; based on the business requirement list and the device resource list, the constraint optimization model is optimized and solved by a constraint optimization algorithm to obtain a port allocation result; based on the port location in the port allocation result and the physical distance between the device cabinet and the ODF frame, the tail fiber length is calculated; the port allocation result and the tail fiber length are structured and coded and integrated to obtain a port configuration account. The application is used in the new line railway transmission and data network port planning process.

The utility model relates to bridge engineering technical field, and disclose a kind of steel box girder and concrete pier column consolidation structure, including steel box girder, concrete pier column, shear nail and the adjusting member for adjusting the elevation of steel box girder installation, concrete pier column top is reserved with shear key, steel box girder bottom is equipped with for with concrete pier column top socket joint connection's notched, concrete pier column top outer circumferential wall is equipped with the slope of being inserted easily, concrete pier column top is inserted in the inside of notched, adjusting member includes jacking corbel and jack, jacking corbel is connected by bolt with the reserved planting bar on the outer wall below concrete pier column, jack is installed in jacking corbel top, jack top and steel box girder bottom are abutted. The present application is simple in structure, high in precision of factory prefabrication, force transmission is direct in socket design, stress concentration is small, and the elevation of section member is accurately adjusted, convenient for construction, applicable to complex environment and large-span bridge.

This utility model provides a visual cement mixing pile length positioning device, belonging to the field of cement mixing pile technology. It includes: a pile driver; a mixing rod, which is driven to rotate and extend downwards by the pile driver's drive equipment; and a marking structure movably disposed outside the mixing rod. The marking structure includes a movable ring, multiple friction wheels, a transmission structure, an infrared rangefinder, and a drive motor. The infrared rangefinder is disposed outside the movable ring and is used to measure the distance between the movable ring and the pile driver. The output end of the drive motor is connected to the shafts of the multiple friction wheels through the transmission structure. The beneficial effects of this utility model are: by setting a movable marking structure outside the mixing rod and combining it with an infrared rangefinder to measure the distance between the movable ring and the pile driver in real time, it solves the problem of needing to manually mark the pile outside the tower, eliminates the safety hazards of falls from heights and accidental collisions caused by manual marking, and ensures the personal safety of construction personnel.

This utility model discloses a fully automated building construction robot system, including a steel platform system, a protective net system, an external wall formwork retraction system, an internal wall formwork retraction system, a template system, and a support and lifting system. The steel platform system is fixedly installed on top of the support and lifting system, which is located within the concrete structure. The template system includes external wall templates and internal wall templates, both of which are slidably installed on the bottom of the steel platform system. The external wall templates are located on the outside of the concrete structure. This utility model realizes the automation and intelligence of building construction, significantly improving construction efficiency and shortening the construction cycle. This utility model reduces the intensity of manual labor, reduces reliance on manpower, and alleviates the labor shortage problem in the construction industry. This utility model improves construction quality and precision, reducing the impact of human factors on construction quality. This utility model enhances construction safety and reduces safety risks at the construction site.

This utility model discloses an integrated rebar positioning device for slipform construction of circular silo walls, relating to the field of slipform construction technology for circular silo walls. The integrated rebar positioning device includes a positioning rebar module, a support frame module, and a slipform lifting frame module. The positioning rebar module includes arc-shaped horizontal rebars with positioning rings welded to their outer surfaces. The support frame module includes a U-shaped support frame with threaded mounting grooves at both ends, through which positioning screws are threadedly connected. The slipform lifting frame module includes lifting frame legs with a lifting frame crossbeam welded to the top of each leg. The outer surface of the crossbeam has positioning through holes. This utility model, through modular design and synchronous lifting with the slipform system, achieves fully automated control of the rebar positioning process, overcoming the problems of concrete cracking and structural instability caused by rebar misalignment in traditional processes, significantly improving construction quality and efficiency.

The utility model relates to the technical field of concrete pouring, in particular to a concrete pouring device which comprises a support, a pouring box body is arranged on one side of the support, a pouring outlet is fixedly installed on one side of the pouring box body, a pouring guide pipe is installed on one side of the pouring outlet, and the pouring outlet and the pouring guide pipe are connected through a connector. The stabilizing assembly is mounted on the outer side of the perfusion catheter, and the stabilizing assembly is used for keeping the stability of the perfusion catheter; and the supporting assembly is installed on one side of the stabilizing assembly, and the supporting assembly is used for installing the stabilizing assembly. Compared with the prior art, multi-point clamping and limiting of the concrete pouring guide pipe are achieved through the stabilizing assembly, a stable and reliable fixing structure is constructed, the guide pipe is effectively prevented from inclining, swinging or loosening due to concrete flow impact and construction vibration, it is ensured that the pouring guide pipe is kept perpendicular or at a preset angle all the time, and the construction efficiency is improved. The pouring quality and the construction safety are improved, and the good popularization value is achieved.

The invention discloses a construction method for integration of an anti-static floor and a cable support of a secondary equipment room of a transformer substation, and relates to the field of transformer substation constructional engineering and electrical installation. Traditional construction has the problems of long construction period, different quality, poor operation environment and inconvenience in later debugging. The method comprises the following steps: measuring and typesetting on site, and setting an elevation control line and a division positioning line in an elastic manner; cleaning the terrace and laying a grounding cable led out from the main grounding grid in advance; the cable support is positioned and assembled according to the grid division positioning lines, the cable support is reliably connected with the grounding cable, and a groove box cross arm of the cable support is used for bearing the cable; and after the cable is laid, an anti-static floor is installed at the top of the cable support, and edge closing treatment is carried out. According to the method, on-site efficient assembly is achieved through the standardized and modularized construction process, the construction period is shortened, the quality is improved, and the operation and debugging environment is optimized.

The utility model provides a high-precision adjusting type fixed supporting structure for door and window installation, which relates to the technical field of door and window installation and comprises a main rod used for being installed on a wall surface in an attached mode. The middle plate is vertically arranged on the main rod and is used for being inserted into a gap between a door window and a wall surface; the abutting plate is slidably arranged on the main rod in the length direction of the main rod so as to abut against the side wall of the door window. The pressing plate is arranged on the main rod in a sliding mode in the length direction of the main rod so as to be pressed on a door and window. The driving part is used for driving the abutting plate and the pressing plate to be close to or away from the middle plate and to be fixed to the moved position. The utility model discloses can improve the installation accuracy of door and window, enhance the stability of door and window support, and have the advantage of reusability and stronger adaptability.

The invention discloses a continuous beam closure section box inner formwork supporting-frame-free system and a construction method, and belongs to the technical field of bridge engineering construction. In order to solve the problems that a full framing in a traditional closure section box is low in construction efficiency and large in space interference, the invention provides a combined type overall frame scheme. The system comprises a hanging basket structure and a combined template which are located on the outer side of a beam body, and an n-shaped support-frame-free frame arranged in a box. The beam bodies on the two sides form a temporary whole through rigid locking, the n-shaped frame is connected with the beam bodies and the outer side formworks through the opposite-pull fixing structures to form a space stress whole, a self-balancing formwork system is formed, and therefore independent stand column supports in a box are omitted. According to the method, rapid mounting and dismounting of the formwork are achieved, interference of supports, reinforcing steel bars and pipelines is thoroughly avoided, and the construction efficiency and quality of the closure section are remarkably improved.

A horizontal full-rotation casing jacking device and construction method are disclosed, relating to the technical field of tunnel construction equipment. It includes a main frame and a rotary propulsion device, the rotary propulsion device comprising a cutting unit and a transition sleeve; the main frame is a frame structure, including four sets of columns in the z-direction formed by coaxial connection of upper and lower support cylinders, a bottom plate at the bottom, and a top plate at the top; a front support cylinder is provided on the surface of the columns of the main frame facing the excavation direction of the connecting tunnel; a rear support cylinder is provided on the back of the main frame; this invention achieves a single-stage stroke, which can increase the length of the connecting pipe, reduce the frequency of connecting pipe replacement, and improve operational efficiency.

The utility model relates to the technical field of mixing pile construction, in particular to a construction tool for pebble bed mixing pile construction. According to the construction tool for pebble bed mixing pile construction, the technical problem that in the prior art, due to the fact that a sleeve for mixing pile construction is unreasonable in structure, construction efficiency is low is solved. A construction tool for pebble bed mixing pile construction comprises a sleeve. The sleeve is connected to the correction seat in an inserted mode; by arranging the correcting seat and the sleeve, the correcting seat is used for correcting the position of the sleeve and can assist in positioning the sleeve, so that the sleeve has higher position precision relative to the target position. Meanwhile, due to the fact that the correcting base positions the casing pipe after being cleaned at the target position, the casing pipe can be easily installed and has higher construction precision due to the arrangement of the correcting base, and due to the fact that the correcting base is used for correcting the casing pipe, the position precision of the casing pipe is effectively guaranteed.

This invention belongs to the field of unmanned construction technology and discloses a collaborative intelligent unmanned control method and system for asphalt pavement paving equipment clusters. The method includes: integrating and outputting standardized sensing data streams; performing initial path planning based on the standardized sensing data streams and pre-set construction tasks; based on the initial path planning results and the standardized sensing data streams, invoking a multi-field coupling model, a load balancing strategy library, and a fuzzy PID control algorithm to calculate construction quality risk nodes, equipment collaborative status, and process parameter deviations in real time, generating a primary control instruction set; evaluating the collaborative relationship and optimizing the risk-benefit of the primary control instruction set, the standardized sensing data streams, and the material lifecycle traceability database to obtain an optimized control instruction set; and distributing the optimized control instruction set to the execution units of the paving equipment to perform collaborative operations. This invention significantly improves construction accuracy and effectively solves problems such as uneven accuracy in traditional construction methods.

The application belongs to the technical field of bridge engineering construction, and particularly relates to a construction method of a high-pier cap beam shear pin truss support, wherein high-pier structure parameters, cap beam design parameters, construction load parameters and concrete mechanics performance parameters are obtained; embedded steel box layout coordinates, truss assembly stress parameters and system deformation control thresholds are extracted to obtain a shear pin truss support system layout scheme and a construction control reference; combined with hierarchical pre-pressing non-elastic deformation process indexes, template steel bar installation precision requirements and concrete curing control parameters, cap beam construction full-process control instructions are generated; full-process operations of support system erection, cap beam main body construction and system removal plugging are completed to generate full-process construction quality control records. Thus, the problems of difficulty in accurately determining embedded support points and poor overall construction controllability in the prior art are solved.

The application discloses an arc-shaped inclined concrete structure wall construction structure and a construction rechecking method, and relates to the construction field. The construction structure comprises a bottom plate for limiting a wall, a top plate, a stand, a wall inner wood mold and a wall outer wood mold, an arc-shaped measuring tool, a wall steel reinforcement cage, a screw rod, a reinforcing keel and an external support frame. The cross sections of the bottom plate and the top plate are both circular, and the sizes of the circles are different. The construction rechecking method comprises the following steps: bottom plate pouring; stand and top plate pouring; support frame erection; wall outer wood mold rechecking; wall inner wood mold rechecking; arc-shaped inclined concrete structure wall pouring; removing the wall inner wood mold and the wall outer wood mold; and rechecking the arc-shaped inclined concrete structure wall to determine whether the chord height of the wall is consistent with the theoretical chord height. According to the counting scheme, the wall wood mold can be measured twice before wall pouring, the construction accuracy of the wall is greatly improved, and the wall itself can be measured after wall pouring to check whether the wall construction is accurate.

The application relates to a slope protection gradient control device, and relates to the technical field of roadbed slope protection construction.The device comprises an angle steel, which is arranged on an existing retaining wall at the toe of a slope; a telescopic adjusting rod, which is arranged on the angle steel and can rotate in a vertical plane to control the gradient of the slope protection, and the included angle between the adjusting rod and the horizontal direction is equal to the gradient angle of the slope protection; and a slope protection formwork, which is fixed on the slope surface and is used in cooperation with the adjusting rod to limit the pouring range of the slope protection concrete. The device is fixed on the existing retaining wall through the angle steel, the structure of the retaining wall is fully utilized, and no additional supporting structure is needed; the gradient of the slope protection can be accurately controlled through the adjusting rod, the rigidity support of the adjusting rod and the slope protection formwork, and the included angle between the adjusting rod and the horizontal direction can be adjusted according to requirements to accurately control the slope gradient; the overall structure is simple and reliable, the device is convenient to install and disassemble, can be repeatedly used in different engineering projects, and the construction cost is reduced.

The invention relates to the technical field of building materials, and particularly discloses a 3D printing load-bearing permeable colored concrete structure and a construction method thereof.The construction method comprises the steps that foundation pre-burying is conducted, specifically, a pattern bottom die formed through 3D printing is arranged in a construction area, a permeable light-emitting assembly is inserted into a pattern bottom die hole, and a drainage and illumination integrated system is formed; a structural layer construction step: sequentially paving a reinforcing mesh and wet joint-cutting aluminum profile strips, and paving a load-bearing concrete base layer; and a decorative surface layer construction step: paving a colored polymer gravel mortar surface layer on the base layer by adopting 3D printing guniting paving equipment to form a decorative pattern. The bearing, water permeability, sound, light, electricity, brightening and drainage integrated system of the pavement structure is achieved, and the pavement structure has the advantages of being high in construction efficiency, capable of customizing patterns, convenient to maintain, high in durability and the like and is suitable for various landscape and functional pavement in ground construction of sponge cities, park roads, large squares and amusement parks.

This invention discloses a single-lock curtain wall with a non-intrusive clamp hoisting component and its construction method, belonging to the field of building curtain wall technology. It solves the technical problems of traditional post-installed embedded components damaging the main structure, difficult rebar installation, low installation accuracy, and poor adaptability. The single-lock curtain wall includes a post-installed clamp assembly, a beam structure, a reinforced load-bearing component, a hoisting cable assembly, and a curtain wall assembly. The post-installed clamp assembly consists of a load-bearing plate, a tie plate, a reinforcing plate, and a hoisting plate. It forms a ring-shaped non-intrusive structure by bonding and welding with architectural AB adhesive. Combined with the differentiated reinforcement structure of the beam structure, it achieves uniform load transfer. The construction method includes on-site material customization, non-intrusive installation of the clamp assembly, precise curtain wall suspension, and intelligent monitoring with a total station. The monitoring system captures millimeter-level displacement through a prism, forming a closed-loop control of measurement-feedback-adjustment.

The application relates to the field of pipe curtain jacking technology, in particular to a pipe curtain jacking construction method for a box culvert under an airport runway, which has the beneficial effects that: through the device with real-time precision adjustment and monitoring, strict precision control is realized on each process in the jacking process, problems are found and timely measures are taken for correction, each monitoring point in the jacking process communicates through a intercom, timely and effective construction is ensured, the construction precision in the jacking process is improved, deviation is avoided, and the protection of the soil layer is effectively improved.

This invention discloses a construction method for a 110kV substation power transmission line, comprising four core steps: 1. Line and tower foundation re-survey, using professional measuring tools and methods to control the accuracy of parameters such as line straightness and turning angle; 2. Tower foundation construction, encompassing foundation pit preparation, pit excavation, rebar tying, formwork installation, concrete pouring and curing, strictly controlling pit opening dimensions, rebar welding quality, and concrete strength; 3. Tower erection, using cranes for segmented hoisting, standardizing lifting point settings, bolt tightening, and accessory installation to ensure tower structural stability; 4. Overhead line erection, employing tension-based conductor laying technology for graded conductor deployment, combined with sag adjustment, tension tower stringing, and accessory installation to ensure line erection quality. This invention, through standardized and refined process design, improves construction accuracy and efficiency, enhances the safety and stability of line operation, and is suitable for large-scale construction of 110kV substation power transmission lines.

The utility model relates to a kind of foundation pit inclined pile support construction devices with angle real-time correction function, including angle correction device and inclined pile, the angle correction device includes inclined pile moving track, inclined pile limiting device and jack device, the jack device includes top jack device and two lateral jack devices, the inclined pile limiting device is located inclined pile moving track bottom, the top jack device is located inclined pile moving track top, two lateral jack devices are symmetrically set in inclined pile moving track middle end two sides, the inclined pile limiting device has inclined pile limiting passage in, the angle monitoring device is equipped in the inclined pile, the angle monitoring device and jack device are wirelessly connected with the control system outside. The device realizes the angle accurate control of inclined pile construction process.

This invention proposes a construction device and its method for protective opening of existing building walls. The construction device includes a guide rail module, a cutting module, a dust removal and cooling module, and a safety control module. The method of using the device involves positioning and laying out lines, installing the guide rail module, installing the cutting module, connecting the cutting module to the dust removal and cooling module, and installing the safety control module. After installation, the cutting module is adjusted to the top of the guide rail module. After inspection, the dust removal and cooling module and the cutting module are activated and positioned. Then, the cutting module is controlled by the handwheel on the cutting module to cut and move the wall. During the cutting process, the control force of the safety control module is adjusted simultaneously to ensure the safety of the cutting process. The construction device and its method of use, through reasonable mechanical design, enable the equipment to cut walls safely and quickly, while optimizing the wall-building steps and methods, improving efficiency and reducing costs.

The utility model relates to the technical field of outer wall pouring strip, disclose a novel outer wall pouring strip deep groove model, include: model main part, its inside is equipped with the model through -opening of penetration, is used for the filling of pouring material, upper baffle, set up in the top of model main part, is used for limiting the boundary of pouring strip, extension part, connects in the deep groove turning -over place of model main part both sides, be equipped with the extension opening on the extension part, and with model through -opening intercommunication, arc concave surface, form in the outside of extension part, are used for adapting wall body. The model main part and extension part structure that set up can significantly improve the construction quality and efficiency of outer wall deep groove. Through the design of model through -opening and extension opening, the uniform filling of pouring material is realized, and the problems of uneven construction and material not fitting are avoided. At the same time, the setting of arc concave surface makes the model better adapt to the wall body structure, reduces the construction difficulty, and improves the construction precision.