1918 results about "External cladding" patented technology

The embodiment of the invention discloses an external wall thermal insulation falling risk prediction method and system based on a deep learning model, and the method comprises the steps: firstly collecting the multi-dimensional state data of a target building external wall, covering the thermal insulation layer material attribute, environment exposure history, structure connection strength, and surface deformation monitoring and construction technology record data; extracting a material aging feature vector from the thermal insulation layer material attribute data, and extracting a space-time distribution feature from the environmental exposure historical data to generate an environmental action feature tensor; fusing structural connection strength and surface deformation monitoring data into a structural deformation association map, converting construction process record data into process defect probability distribution, inputting the data into a pre-trained multi-modal risk prediction network, outputting an outer wall thermal insulation layer falling risk level and risk area thermodynamic diagram, and predicting the falling risk level of the outer wall thermal insulation layer. And finally, generating a dynamic monitoring strategy containing a sensor deployment optimization scheme and a detection period adjustment parameter according to a result, and realizing accurate risk prediction and efficient monitoring.

The invention relates to the technical field of computer aided design, in particular to an energy-saving building design method based on digital simulation, which comprises the following steps: analyzing air velocity, temperature gradient, density and pressure distribution based on indoor aerodynamic parameters, identifying air vortex structure characteristics, and generating an energy-saving building environment data set. According to the method, aerodynamic characteristics in a building are accurately recognized, the vortex structure analysis capacity is improved, the air flowing path is optimized, aerodynamic parameters are combined, thermal resistance and heat conduction materials are matched, the building envelope layer is adjusted, heat flow transmission is guided, heat loss is reduced, the heat energy utilization rate is increased, and the spectral characteristics of the materials are adjusted according to illumination redundancy; the lighting efficiency is optimized, the heat load is reduced, outer wall heat transfer is optimized in combination with airflow characteristics, the ventilation rate is dynamically regulated and controlled, airflow short circuit is avoided, heat flow, illumination and ventilation parameters are integrated, precise optimization of building energy consumption is achieved, and the energy efficiency regulation and control level is improved.

Methods of concurrently constructing and cladding concrete walls are disclosed. Methods of securing undercut anchors into the back surface of end-cladding elements are further disclosed. Walls and structures generated thereby are also disclosed.

The invention discloses a building external wall insulation board convenient to install, and relates to the technical field of building insulation materials, the building external wall insulation board comprises an insulation board body, a vacuum insulation board and expansion bolts, one side of the insulation board body is provided with the vacuum insulation board, and one side of the vacuum insulation board is attached to a wall in a butt joint mode through an adhesive. According to the building external wall insulation board convenient to install, the butt joint mechanism, the self-locking mechanism and the tightening mechanism are arranged in a linkage mode, a fastening pin of the butt joint mechanism is adjusted to drive an inner lock hook and an outer lock hook to clamp a limiting block, and the self-locking mechanism moves along with a guide piece to enable a swing arm to rotate to drive an air spring rod to lock an included angle between a wide supporting arm and the outer lock hook; and a limiting block is fastened through synchronous movement of a clamping plate of the tightening mechanism and an inner lock hook, so that the clamping plate extrudes and pushes two lifting pins to be inserted into the inner wall of a positioning hole of the vacuum heat insulation plate to be used for increasing the anchoring strength, and then it is guaranteed that the outer wall heat insulation plate has the anti-falling protection stable installation effect.

The invention relates to the technical field of green building construction, and discloses a concrete outer wall and green low-energy-consumption thermal insulation wall construction method which comprises the following steps that firstly, based on the heat conduction characteristic of a wall body, the thickness and the heat conduction coefficient of a thermal insulation layer are optimally designed through heat conduction analysis, so that the total heat loss of the wall body is reduced; 2, according to the mechanical equilibrium condition of the wall, stress distribution and a displacement field of the wall are determined through finite element analysis, and it is ensured that the structural strength of the constructed wall meets the design requirement; and 3, combining a multi-objective optimization theory, comprehensively considering the heat conduction performance, the mechanical stability and the construction cost of the wall body, and dynamically optimizing construction parameters. According to the construction parameter dynamic adjustment technology based on the multi-objective optimization theory, multiple constraint conditions such as heat loss, mechanical properties and construction cost are comprehensively considered, and the technical effect of achieving overall performance balance in the complex construction environment is achieved.

The invention discloses hollowing detection equipment for a building outer wall facing, and belongs to the technical field of wall surface detection, through arrangement of a deflection mechanism and a knocking mechanism, a knocking column changes the angle of knocking a wall surface along with deflection of a shell, and since the knocking column rotates and deflects with the tail end of a first mounting frame as the axis, the knocking angle is changed, and the detection accuracy is improved. And the deviation amplitude is regulated and controlled through sliding of the mounting base on the adjusting frame, so that the aim of accurately controlling the impact angle of the knocking column is achieved, meanwhile, through the arrangement of the first mounting frame and the adjusting frame, the shell deviates with the tail end of the knocking column as the axis, and therefore it is guaranteed that the distance between the deflected knocking column and the wall surface is not changed, and the impact angle of the knocking column is accurately controlled. According to the technical scheme, only the included angle between the knocking column and the wall surface is adjusted, the knocking column conducts knocking at the same knocking position at different angles, the hollowing type such as local hollowing or interlayer hollowing is judged according to sound wave reflection paths generated by impact at different angles in combination with listening equipment, and therefore a proper repairing scheme is formulated.

The invention relates to the technical field of building maintenance, and particularly discloses an external wall thermal insulation layer maintenance method which comprises the following steps: cutting and removing a severely damaged external wall thermal insulation layer; a special plastic anchor bolt with a glue injection function is adopted to reinforce the insulating layer which is not damaged or basically intact in appearance but hollow and slightly deformed; a coating facing is adopted for the external facade of an original building, the actually measured thickness of a heat preservation layer and a facing layer is not larger than 60 mm, and different processes are adopted for the external facade of the original building, facing bricks and real stone paint facing are adopted for the external facade of the original building, or the actually measured thickness of the heat preservation layer and the facing layer is larger than 60 mm although the coating facing is adopted for the external facade of the original building. The thermal insulation layer and the wall body structure are perfectly integrated through the building glue, the plastic anchor bolts, the anti-crack mortar, the waterproof putty and the outer wall facing, the overall performance is good, and the waterproof capacity is high. The invention treats cracking, hollowing and damage of the building external wall thermal insulation layer, treats both symptoms and root causes, and has lasting functions; construction is simple, cost is moderate, and cost performance is high.

The invention discloses a heat preservation plate and steel frame combined type outer wall formwork, and relates to the technical field of building formworks, the outer wall formwork is composed of a steel frame and a heat preservation plate, a longitudinal connecting assembly is installed on the steel frame, a transverse anti-instability unit is arranged in the longitudinal connecting assembly, and the heat preservation plate is matched and fixed with the longitudinal connecting assembly through a positioning connecting rod. Under the action of self weight, the insulation board can be automatically locked and effectively connected with a wall body. The longitudinal connecting assembly is provided with a through hole, the diameter of the through hole is larger than that of the positioning connecting rod, and therefore automatic positioning and fixing of the insulation board are achieved. The design of an anti-instability unit, a guide sliding groove, a spring assembly and the like ensures that the insulation board is stable and does not fall off. The protection shell is matched with the connecting support, so that the heat preservation plate is safer in the installation process, automatic separation is achieved after concrete pouring, and the disassembly process is simplified. The device has the advantages of being simple in structure, convenient to install, stable and reliable, the construction efficiency can be remarkably improved, and manual operation is reduced.

The utility model discloses a projection positioning device for an external wall insulation and decoration integrated plate, which comprises a projection positioning mechanism, a square pipe, a clamping block arranged on the square pipe, a limiting assembly arranged on the clamping block, a projection assembly arranged on the clamping block, a pressing assembly arranged on the clamping block, and a rotating assembly arranged at the bottom of the clamping block. A positioning assembly is arranged at the bottom of the clamping block. The sliding block is controlled by pressing the pulling plate, so that the sliding block is fixed into the sliding groove, the clamping blocks can slide in the square pipe, the multiple clamping blocks can be placed in the square pipe, and therefore projection assemblies on the clamping blocks can be used for projecting a wall, and a worker can conveniently install the heat preservation and decoration integrated plate. The positioning assembly is controlled to move by rotating the rotating assembly, the positioning assembly can be fixed into the positioning groove, fixing of the clamping block is achieved, and the situation that when the device is used, the clamping block moves, and adverse effects are caused to installation of the heat preservation and decoration integrated plate is avoided; the projection assembly is detached and replaced by pressing the pressing assembly.

The invention discloses an energy-saving environment-friendly building thermal insulation outer wall integrated construction installation device which comprises a bearing bottom plate, a plurality of walking wheels and a balancing weight are arranged at the lower end of the bearing bottom plate, a vertical plate is arranged on the side wall of the bearing bottom plate, and a limiting mechanism used for limiting a thermal insulation plate is arranged on the side wall of the vertical plate. The limiting mechanism comprises a plurality of first side plates and a plurality of second side plates which are arranged on the side wall of the vertical plate, and the inner walls of the first side plates are slidably connected with a plurality of sliding blocks. The limiting mechanism is arranged, a plurality of insulation boards can be vertically limited in the equipment, the equipment can carry the insulation boards to sequentially move to the front portion of the steel bar frame for installation of the insulation boards, an operator does not need to lift up the insulation boards, the labor intensity of the operator is greatly relieved, the installation speed of the insulation boards is higher, and the installation efficiency is improved. And the outer wall construction efficiency is improved.

The invention discloses a non-dismantling formwork, a production process thereof and a construction method of the non-dismantling formwork in a building wall, and relates to the technical field of wall buildings, and the non-dismantling formwork is mainly composed of a hydrophobic autoclaved aerated concrete plate, adhesive glue, a heat preservation core material and an anchoring part. After being subjected to composite processing in a factory, the formwork is transported to a construction site and is used as an outer formwork in the concrete pouring process. Due to the fact that the non-dismantling formwork and the cast-in-place concrete can be integrally formed, the process is simpler and more convenient compared with external thermal insulation of an outer wall. In addition, the non-dismantling formwork forms a cavity-free composite heat preservation structure, the product shows excellent fireproof, waterproof and anti-falling performance, due to the fact that a water repellent is used in the production process, the risk that the adhesive loses efficacy due to water seepage of the non-dismantling formwork is effectively avoided, the non-dismantling formwork has excellent hydrophobic performance, water erosion is effectively resisted, and the service life of the non-dismantling formwork is prolonged. The internal thermal insulation layer is protected from being damaged, and the problem of cracking or falling caused by environmental change is avoided.

The application relates to the technical field of decorative plates, and particularly relates to an outer wall stone-imitating decorative plate, which comprises a bearing component, a polyurethane foaming layer, a stone-imitating layer, a light-weight concrete layer and a rubber protection layer. The bearing component comprises an aluminum plate, the outer side of the aluminum plate is provided with a copper cladding layer, one side of the aluminum plate is provided with a first support frame, the other side of the aluminum plate is provided with a second support frame, and the one side of the aluminum plate is provided with a weight-reducing hole. The bearing component is used for enhancing the firmness and strength of the decorative plate, the first support frame is used for connecting the polyurethane foaming layer, the second support frame is used for connecting the light-weight concrete layer, the adhesion of the materials is improved, the assembly rods and assembly holes are used for connecting adjacent decorative plates, the convenience of assembly is improved, the polyurethane foaming layer is used for shaping the decorative surface of the decorative plate, the shaping convenience is high, the stone-imitating layer is used for reinforcing the outer side of the polyurethane foaming layer, the hardness of the outer side of the polyurethane foaming layer is improved, and the simulation effect is improved.

The invention discloses a modular instrumentalization attached scaffold which comprises a building wall body, scaffold mechanisms are installed on the outer vertical faces of the building wall body, each scaffold mechanism comprises I-shaped steel, a vertical rod A, a vertical rod B and triangular supports, and suspension frames are installed between the two vertically-arranged I-shaped steel and the two adjacent triangular supports. The invention relates to the technical field of scaffolds. According to the modular instrumentalization attached scaffold and the construction technology, the scaffold components can serve as a platform for construction operation of all stages of an outer wall and play a protection role with a steel plate net horizontally arranged on the outer vertical face of a building wall, meanwhile, profile steel used for supporting does not need to penetrate through the wall, damage to the building wall is small, the leakage risk is reduced, and the construction efficiency is improved. The arranged suspension frame is used for smoothly connecting the two sets of scaffolds at the wall corner position, a lap joint mode is not adopted for connection, and the situation that the two sets of scaffolds are in staggered lap joint, and a walkway platform annularly installed on the outer vertical face of a building wall is uneven is prevented.

The utility model relates to the technical field of building outer walls, in particular to a building energy-saving outer wall heat preservation structure which comprises a shell, a second groove and a third groove are formed in the two sides of the shell respectively, a sliding rod is fixedly connected into the second groove, a spring is arranged outside the sliding rod, one end of the spring is fixedly connected with the inner wall of the second groove, and the other end of the spring is fixedly connected with the inner wall of the third groove. The other ends of the springs are fixedly connected with moving plates, the side faces of the moving plates are fixedly connected with limiting rods, the moving plates are slidably connected with the sliding rods, the tops of the moving plates are fixedly connected with sliding blocks, sliding grooves are formed in the tops of the first wear-resisting layer and the shell, the sliding blocks are slidably connected in the sliding grooves, and clamping blocks are fixedly connected into the third grooves. By arranging the sliding grooves, the sliding rods, the moving plates, the limiting rods and the springs, the external wall heat preservation structure can be conveniently mounted and dismounted, and the problems that a traditional external wall heat preservation structure is not high in firmness degree and prone to falling off are solved.

The UHPC assembly type machine room structure comprises a machine room enclosure bulkhead cylinder body, a first end cover and a second end cover, wherein the machine room enclosure bulkhead cylinder body is prefabricated by adopting an ultra-high performance concrete UHPC material; the machine room enclosure bulkhead cylinder body is provided with a bottom plate and two side walls, and the machine room enclosure bulkhead cylinder body is provided with a first opening end and a second opening end which are oppositely arranged; the first end cover and the second end cover are respectively arranged at the first opening end and the second opening end; the two end covers are provided with smoke suction and exhaust ports used for being connected with a ventilation pipeline. A machine room access door is arranged on one side wall; an internal smoke exhaust pipeline is arranged in the machine room enclosure bulkhead cylinder body, the two ends of the internal smoke exhaust pipeline are connected with the smoke suction and exhaust ports in the first end cover and the second end cover respectively, and the fan is arranged on the internal smoke exhaust pipeline. The UHPC shell is adopted and serves as an outer enclosure material of the machine room structure at the same time, the functions of enclosure, decoration, structural bearing and partial fire prevention are achieved, and building structure decoration and function integration is achieved.

The invention relates to the field of building materials, in particular to a composite external wall insulation board which comprises a wall leaning plate and a mounting plate connected with the wall leaning plate through a connecting rod. Mounting grooves are formed in the two ends of the two sides of the mounting plate, and a locking mechanism used for locking the adjacent mounting plate is arranged in each mounting groove; inclined sliding grooves are formed in the two sides of the mounting groove, and the locking mechanism comprises a sliding plate with the two ends arranged in the inclined sliding grooves in a sliding mode; a clamping groove is formed in each sliding plate, telescopic grooves matched with the clamping grooves are formed in the two sides, adjacent to the mounting groove, of the mounting plate, a lower pressing block is arranged in each telescopic groove in a sliding mode, a rectangular groove is formed in each lower pressing block, a clamping block is arranged in each rectangular groove in a sliding mode, and a clamping groove matched with the corresponding clamping block is formed in each sliding plate. Through cooperation of the pressing block and the sliding plate, a worker presses the mounting plates downwards, the multiple mounting plates can be locked with one another, and therefore the mounting time is shortened, and the stability of the mounting plates is ensured.

Lightweight composite building panels with incorporated drainage layer that facilitates moisture removal and methods of manufacturing and using lightweight composite building panels with incorporated drainage layer. The lightweight composite building panels with incorporated drainage layer can be used to applied a desired finish to exterior wall and roof structures. The lightweight composite building panels include a core composite panel structure and a drainage layer attached or bonded thereto. The core composite panel structure includes a foam core sandwiched between first and second protective layers, such as a fiber mesh reinforced cementitious composition and / or cured thermoset resin or other rigid material. The drainage layer is designed to face an exterior wall or roof structure to facilitate removal of moisture between the panels and underlying wall or roof structure. The building panels can be cut, drilled, and screwed, nailed, or glued to structural elements of buildings, such as OSB sheathing.

The present invention relates to a floor reinforcement construction method for old building renovation. While preserving the original appearance of exterior walls, the interior floors of a building can be demolished and reconstructed, interior walls are completely demolished, and a pile foundation, frame columns and frame beams are newly added to form a support frame system, thereby completing the conversion of a load-bearing system, and solving the problem of most conventional masonry structure construction methods not changing a structural load-bearing system of a building. The method of the present invention prolongs the service life of a building, and reduces the cost of demolition and reconstruction; besides, by means of optimizing a construction process, the construction period is shortened, and the efficiency and safety of the construction process are ensured. The method has wide application prospects.

The application relates to a high-rise building outer wall brick demolition auxiliary device and a protective demolition construction method, which comprises a hanging basket, a moving frame, a transverse cutting assembly, a suction grabbing assembly and a vertical cutting assembly installed on the hanging basket, the vertical cutting assembly is uniformly arranged at the bottom of the hanging basket and is used for uniformly cutting the outer wall bricks into multiple vertical cutting seams when the hanging basket vertically moves downwards; the transverse cutting assembly is used for cutting the outer wall bricks into transverse cutting seams when the moving frame moves horizontally, the positioning shaft and the tensioning assembly are driven by the driving cylinder to extend into the outer wall preset hole, then the suction cups are adsorbed on the preset hole side, the driving cylinder is retracted, the tensioning assembly is tensioned and expanded in the preset hole to support the outer wall, and then the cut grid wall brick unit is grabbed out. The application has the advantages of compact structure, the vertical cutting seam operation is driven by the lifting of the hanging basket, manual operation is reduced, and the accuracy and integrity of the wall brick cutting are ensured.

The invention belongs to the technical field of structural engineering, and discloses a steel sheet pile outer wall-expanded wing type bolt connection steel frame underground support integrated structure which comprises a permanent steel sheet pile outer wall structure unit and a full-bolt ribbed end plate square steel pipe column-H-shaped steel beam expanded wing type connection frame unit. Based on the structural design concepts of pile-wall integration, one-pile multi-purpose and supporting integration, the permanent full-bolt ribbed end plate square steel pipe column-H-shaped steel beam expanded wing type connecting frame unit serves as a bearing unit of an upper building of the underground space and can also serve as a supporting unit in the foundation pit excavation and use stage. The novel underground structure system and the permanent steel sheet pile outer wall structure unit jointly form a permanent supporting system of the foundation pit; the construction efficiency of the underground structure can be greatly improved, the construction period is shortened and the resource investment is reduced by adopting a construction sequence from top to bottom without a temporary supporting structure and full bolt assembly.

The invention discloses a fabricated integrated house (SWP), and belongs to the technical field of fabricated buildings. Comprising a foundation part 01 which is a cast-in-place concrete foundation or a spiral pile foundation and the like; the ground 02 comprises floor bearing plates and the like; 03, a steel structure part; the outer wall comprises an outer facing layer of the outer wall, a wall body of the outer wall and an inner facing layer of the outer wall, or the outer wall is a mortise and tenon structure wall body; doors and windows 08, indoor suspended ceilings 09, metal tiles and the like; the system further comprises an inner partition wall 07 and a roof heat preservation and insulation layer 10. The system can also be of a two-storey or more structure. The invention provides an integral house solution for people who are deficient in concrete or inconvenient to transport in national grassland areas or mountain forest areas of Southeast Asia; the structure is stable, fixed and compact; and factory manufacturing, field installation and construction are convenient, the speed is high, the cost is low, and the cost performance is high. The screw pile foundation is suitable for soil land; the concrete foundation is wide in application range; and the wall body is hollow and is heat-insulated. The system can also be used for building communities in batches.

The utility model provides a fire retardant device for preventing combustion of an external wall thermal insulation integrated board, which comprises a base, a support component and a first shielding plate capable of retarding fire, and the base is connected with the first shielding plate through the support component; the device further comprises a second shielding plate rotationally connected with the first shielding plate, the supporting assembly is telescopic, and the base can be provided with a plurality of walking wheels. According to the utility model, the first shielding plate and the second shielding plate can resist fire and protect, and the device can be adjusted and moved so as to be suitable for plane, corner, different height or multi-position mobile construction. The device has the advantages that the hidden danger that installed materials are burnt in the hot melting process can be reduced, the hot melting quality of the materials needing hot melting is guaranteed so that the construction quality can be improved, secondary construction can be reduced so that the construction efficiency can be improved, and the device is simple in structure, adjustable, movable and capable of being repeatedly used.

The invention relates to a high-rise building roof cantilever structure formwork supporting system and a construction method thereof, and belongs to the technical field of building construction. In order to solve the problems that a traditional overhanging formwork needs to penetrate through a wall to retain a hole, leakage is prone to occurring, and dismantling is tedious, root high-strength bolt-end plate connection is adopted, an 18 # I-shaped steel main beam is not arranged on an overhanging section, and the 18 # I-shaped steel main beam and a 12 # I-shaped steel inclined strut form a self-balancing triangular stress unit; a disc buckle type cantilever outer frame is installed at the outer end of the same main beam, a steel pipe formwork is erected at the inner end of the same main beam, load distribution is optimized through finite elements, and the maximum hogging moment is reduced by more than or equal to 20% compared with a traditional scheme. Continuous concrete pouring of the cantilever structure can be achieved through one-time building of the system, holes do not need to be reserved in an outer wall, the whole cantilever structure can be hoisted away only by loosening bolts and cutting off inclined strut weld joints during dismantling, and materials can be turned over by 100%. The method obviously eliminates the hidden danger of leakage, shortens the construction period, reduces the cost, and is suitable for construction of various cantilever structures such as cantilever slabs, cantilever beams and aerial corridors.

The application solves the problem of insufficient binding force between the female threaded cylinder and the inserted material in the thermal insulation formwork, relates to the technical field of external wall thermal insulation structure, and particularly relates to a composite thermal insulation formwork for building external wall, which comprises a base wall, a thermal insulation formwork module is arranged on one side of the base wall, a reserved positioning assembly is installed on the thermal insulation formwork module, fixed steel nails extending into the base wall are in threaded connection with the reserved positioning assembly, the reserved positioning assembly comprises a positioning cylinder inserted into the thermal insulation formwork module when the thermal insulation formwork module is made, a plugging structure for closing the tail end opening when the positioning cylinder is directly inserted into the thermal insulation formwork module in which the material has not solidified is connected to the tail end of the positioning cylinder. The application effectively realizes the integration of the building thermal insulation and the structure while meeting the building external wall thermal insulation requirement, and the female threaded cylinder forms mechanical interlocking in the thermal insulation formwork, thereby effectively preventing the female threaded cylinder from rotating or loosening under stress.

The utility model discloses a building outer wall hollowing detection device, which belongs to the technical field of house detection, and comprises a wall body, a fixed box is placed at the top of the wall body, a first driving motor is fixedly mounted on the side surface of the fixed box through a mounting plate, and first bearings are fixedly connected to two sides of the inner wall of the fixed box. First rotating shafts are rotationally connected into the two first bearings, one end of one first rotating shaft is fixedly connected with an output shaft of a first driving motor, the first driving motor works to drive a lead screw to rotate, then the purpose that a moving plate drives an empty drum hammer to conduct electric adjustment is achieved, and the effect of improving the detection speed is achieved; and a second driving motor works to drive a second rotating shaft to rotate, so that the purpose of adjusting the height of the hollowing hammer by a steel wire rope is achieved, and the purpose of detecting a large-area wall surface is achieved by working of an electric push rod in cooperation with a plurality of hollowing hammers.

The invention provides an advanced water stop construction method for a post-cast strip of an underground garage. The advanced water stop construction method comprises the following steps: S1, positioning and paying off the post-cast strip; s2, mounting a steel plate water stop belt; s3, an advanced water stop mold is installed; s4, special-shaped water stop bolts are installed; s5, the formwork is closed and reinforced; s6, concrete pouring; the basement exterior wall main body structure concrete is poured for the first time, the post-cast strip shrinkage compensation concrete is poured after maintenance is conducted for 45 days, the strength grade is improved by one grade and is larger than or equal to C35, and the anti-permeability grade is improved by P6-P8; s7, waterproof treatment is conducted, construction is conducted through a double-layer SBS waterproof coiled material full-bonding method, the lap joint length is larger than or equal to 100 mm, and internal and external corners are subjected to arc treatment with the R equal to 50 mm; and S8, quality detection is conducted, capillary crystalline waterproof paint is adopted for reinforcing treatment after forming, a 24-hour closed water test is conducted, and the leakage point is smaller than or equal to 0.5 / 100 m. The installation structure is optimized, the installation speed can be greatly increased, and the construction period is shortened.

The utility model discloses a steel structure factory building outer wall thermal insulation decorative plate installing and fixing mechanism which comprises a supporting plate, a connecting mechanism arranged at one end of the inner side of the supporting plate and connected with a steel structure frame and a moving plate arranged at one end of the outer side of the supporting plate, and clamping grooves are formed in the upper side face and the lower side face of the right end of the moving plate. When the external wall insulation decorative plate is installed, the supporting plate is installed on a steel structure plant stand column frame through the connecting mechanism, the clamping groove in the lower end is clamped to the upper end of the hard plate layer on the outer side of the external wall insulation decorative plate on the lower portion, and then the lower end of the hard plate layer on the outer side of another external wall insulation decorative plate is clamped to the clamping groove in the upper end. And the external wall insulation decorative plate cannot be damaged, and the attractiveness of the external wall insulation decorative plate is ensured.

The utility model discloses a fully prefabricated underground family shelter, which comprises a prefabricated foundation, a prefabricated outer wall, a prefabricated door frame wall and a prefabricated composite floor slab, the internal space of the shelter is divided into an opening part and a protection area by the prefabricated door frame wall, and longitudinal bars of the prefabricated outer wall and the prefabricated door frame wall are connected with embedded bars in the prefabricated foundation through semi-grouting sleeves. A gap between the prefabricated outer wall and the prefabricated foundation and a gap between the prefabricated door frame wall and the prefabricated foundation are both densely poured through high-strength grouting materials, the prefabricated outer wall and the prefabricated foundation are connected through rabbets, and the prefabricated outer wall and the prefabricated composite floor slab as well as the prefabricated door frame wall and the prefabricated composite floor slab form a whole through post-pouring composite layers. And water stopping measures are arranged at the top ends of the prefabricated outer wall and the prefabricated door frame wall. The utility model has the advantages of standardization, mass production and short on-site construction period, and can effectively reduce on-site wet construction.

This invention belongs to the field of construction technology for building exterior wall insulation engineering, and particularly relates to a device and method for laying mesh fabric for exterior wall insulation materials. It includes a frame and a laying roller. The frame integrates a mortar metering scraping component, a laying station, and a secondary compaction and venting component. The mortar metering scraping component includes a mortar storage frame arranged along the width of the frame, a discharge hopper located in front of the mortar storage frame facing the working wall, and an adjustable metering scraper located outside the mortar storage frame. The laying station is located directly below the mortar metering scraping component and is used to press the mesh fabric into the polymer mortar layer. The secondary compaction and venting component is located directly below the laying station. This invention provides a device and method for laying mesh fabric for exterior wall insulation materials that simultaneously achieves mortar scraping, mesh fabric laying, and compaction and venting, meeting the high-quality and high-efficiency construction requirements of exterior wall insulation projects.