2369 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.

The embodiment of the invention discloses a shear wall for a concrete modular building and a construction method of the shear wall. According to one specific implementation mode of the shear wall for the concrete modularized building, an outer wall located on a single module unit is a full-prefabricated shear wall or a double-face overlapped shear wall, and an inner wall located between the module units is composed of wall formworks independently located on different module units, post-pouring cavities and anti-expansion formwork connecting pieces; all assemblies of the anti-expansion mold connecting piece are independently embedded and attached to wall molds on the two sides, after a construction site is installed in place, the corresponding anti-expansion mold assemblies define a semi-closed grouting cavity, the semi-closed grouting cavity is filled with high-strength grouting materials, and after the high-strength grouting materials are solidified, the stable anti-expansion mold connecting piece is formed to resist the side mold pressure of post-pouring concrete. Through assembly optimization and high-strength grouting material combination, the situation that a hole for the opposite-pull screw to penetrate through is reserved in the wall formwork is avoided, a complex mechanical structure is not needed, the construction allowable error is large, and the machining precision requirement of the anti-expansion formwork assembly is greatly lowered.

The invention relates to the technical field of intelligent construction, in particular to an ultra-low energy consumption building structure based on light materials and an intelligent construction method.The ultra-low energy consumption building structure based on the light materials comprises an outer wall and a window, the outer wall is composed of a structural layer, a heat insulation layer, a waterproof layer, a heat preservation layer, a decoration layer and a plate buckle structure and used for heat preservation, heat insulation and control of indoor and outdoor heat exchange, and the window is composed of a window frame, glass and sealing strips. The fresh air heat recovery system is used for optimizing a heat transfer path, reducing heating, refrigeration and ventilation energy consumption of a building, preventing moisture from invading a room and avoiding wall mildew and structural damage, and the fresh air heat recovery system is composed of a heat exchange system, a power system, a filtering system, a box body and a control system and is used for ventilation, air exchange, air purification and indoor environment adjustment, so that the energy consumption of an air conditioning system is reduced, and the energy consumption of the air conditioning system is reduced. The energy-saving technology of light materials is adopted, energy consumption and carbon emission are reduced, the intelligent construction scheme is adopted, the construction period is shortened, and the construction cost is reduced.

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.

A heat-insulating waterproof structure includes a heat-insulating waterproof member arranged on a building body. The building body includes a foundation and an exterior wall body arranged on the foundation. The exterior wall body includes a metal fitting arranged on the foundation, a column set on the foundation with the metal fitting member located in between, and a backing arranged on the column. The heat-insulating waterproof member includes a heat-insulating member and a waterproof member integrated with the heat-insulating member. The heat-insulating waterproof member is located at an outer side of the exterior wall body along the exterior wall body at a height where the metal fitting is located.

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 basement exterior wall construction, and discloses a basement exterior wall construction method in an ultra-narrow foundation trench environment, which comprises the following steps: constructing a single-side formwork support on the top of a raft plate on the inner side of an exterior wall, transversely fixing a plurality of length-adjustable force transmission supports on the outer side of the single-side formwork support, supporting a pretreatment retaining wall template at the front ends of the force transmission supports, and then pouring a pretreatment retaining wall; a first waterproof coiled material is constructed on the inner side of the pretreated retaining wall in a point bonding mode, and then a reaction bonding type macromolecule wet-laying waterproof coiled material is constructed on the inner side of the first waterproof coiled material; binding an outer wall steel reinforcement framework, assembling an outer wall template and fixing the outer wall template on the single-side formwork support, and then pouring outer wall concrete; under the ultra-narrow foundation trench condition, low construction cost, high construction speed and good construction quality and waterproof effect are achieved, a reference basis is provided for solving similar problems in construction, and green construction is achieved.

The invention discloses a building external wall thermal insulation structure capable of being quickly disassembled and assembled, and belongs to the technical field of building external wall thermal insulation, the building external wall thermal insulation structure comprises a mounting frame and a thermal insulation plate arranged in the mounting frame, and further comprises a cushion block, an L-shaped positioning block, a base plate, a fixed panel, a transverse positioning assembly, a vertical positioning assembly and a locking assembly; according to the heat preservation plate and mounting frame positioning device, the heat preservation plate and the four L-shaped positioning blocks are positioned in an inserted mode, and then primary positioning treatment of the heat preservation plate and the mounting frame can be completed; in this way, transverse positioning treatment and vertical positioning treatment can be formed between the heat preservation plate and the mounting frame and between the heat preservation plate and the L-shaped positioning block respectively, so that multiple positioning treatment among the heat preservation plate, the L-shaped positioning block and the mounting frame is formed, the mounting stability of the heat preservation plate in the mounting frame is effectively improved, operation is easy and convenient, and the construction efficiency is obviously improved.

A steel-structure building envelope includes a building body, floor slabs, and external walls. The building body has H beams and decks. The decks are assembled onto the H beams. The floor slabs have RC slabs laid on the decks. The external walls each have an RC curb formed on the RC slab by means of casting, two steel C profiles, one of which is installed on the RC curb with an opening thereof facing upward, and the other of which is mounted on the deck with an opening thereof facing downward; and an outer wall panel and an inner wall panel, attached to opposite sides of the RC curb and the two steel C profiles, respectively, so that a hollow space is formed between the outer wall panel and the inner wall panel. Thereby the external walls have a two-layer structure and are affixed directly to the floor slabs.

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 relates to a design and construction integration-based early crack control method for a building outer wall, and relates to the technical field of wall crack control, and the design and construction integration-based early crack control method comprises the following steps: reducing hydration heat and self-constriction by reducing cement consumption in concrete and optimizing aggregate gradation, and carrying out regulation and control design aiming at material temperature and material self-deformation; steel bar design is constructed, and reinforcement optimization is conducted according to temperature stress and shrinkage stress in the early stage; temperature and humidity are regulated and controlled in the building construction stage, and concrete inside and outside temperature difference and surface and atmosphere temperature difference are controlled. The early cracking risk and early crack control of the basement concrete outer wall can be reduced, so that the durability of the basement concrete outer wall is improved.

The invention belongs to the technical field of wallboard heat preservation, and particularly relates to an overhead floor slab heat preservation structure and a construction method thereof.The overhead floor slab heat preservation structure comprises a building wall and a heat preservation plate installed on the surface of the building wall, and the heat preservation plate is installed on the outer surface of the building wall in a pasted mode through a first mortar layer smeared on the surface; the bottoms of the heat preservation plates are inserted into the keels, the outer surfaces of the heat preservation plates are coated with outer mortar layers, net plates are arranged in the outer mortar layers in an interlayer mode, reinforcing pieces are arranged in four corner groove integration spaces at the splicing positions of the four adjacent heat preservation plates, and sleeves are movably inserted into the splicing positions of the four adjacent heat preservation plates. A groove rod is connected between the two reinforcing plates located in the same vertical line direction. According to the overhead floor heat preservation structure and the construction method thereof, the strength of the heat preservation plates can be improved, stripping and falling of one or more heat preservation plates can be avoided, the stability of the overall structure of an outer wall with the heat preservation plates is improved, and meanwhile wall skin of an outer heat preservation wall plate can be prevented from being stripped.

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 building external wall heat preservation structure, and belongs to the technical field of building external wall heat preservation, the building external wall heat preservation structure comprises an external wall, a first wallboard and a second wallboard, the first wallboard and the second wallboard are fixed on the outer side wall of the external wall, water storage cavities are formed in the first wallboard and the second wallboard, a water inlet is formed in the top surface of the first wallboard, and a port adjusting assembly is arranged in the first wallboard; a pressure adjusting assembly is arranged in the first wall plate, and a clean discharging assembly is arranged in the opening adjusting assembly. The water inlet is automatically sealed through the arranged opening adjusting assembly, so that excessive impurities in the external environment are prevented from entering the water storage cavity through the water inlet, the efficient performance of a temperature adjusting medium is maintained, the pressure adjusting assembly is triggered through the opening adjusting assembly to seal and press down water in the first wall plate to a certain degree, and the sealing effect is improved. And the pressure adjusting assembly is driven by the pressure of the liquid to block the gap between the two adjacent second wallboards, so that permeation and transmission of cold and heat energy through the gap between the second wallboards are greatly reduced, and the heat preservation effect of a building is improved.

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 embodiment of the invention provides a passive building outer wall scaffold wall connecting piece and a construction method thereof. The passive building outer wall scaffold wall connecting piece comprises a heat preservation integrated wall body, a wall penetrating bolt, a connecting assembly, a tensile assembly, a steel pipe and a scaffold assembly. The through-wall bolt is arranged in a split screw hole preset in the heat preservation integrated wall in a penetrating mode, one end of the through-wall bolt is connected with the steel pipe through the connecting assembly, and the other end of the through-wall bolt is connected with the tensile assembly. The steel pipe is connected with the scaffold assembly through the connecting assembly; the end of the side, connected with the through-wall bolt, of the steel pipe abuts against an external wall panel on the surface of the heat preservation integrated wall. In the embodiment of the invention, holes and embedded parts do not need to be additionally formed in the passive building outer wall, but the opposite-pull screw holes in the wall body are fully utilized to mount and fix the wall connecting piece, so that rigid connection of the wall connecting piece is met, meanwhile, cold and hot bridges generated by the passive building outer wall are avoided, the construction procedure is simplified, and the construction cost is saved.

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 belongs to the technical field of novel fabricated buildings, and particularly relates to a method for forming an outer wall by multiple layers of wallboards and a steel structure, a plurality of wallboards which are mutually inserted are included, an outer wall layer is formed by pouring ceramsite and concrete, and an inner wall layer is made of aerated concrete; the assembling modules are formed by the C-shaped steel and the wallboards capable of being assembled, the connecting strength and stability between the wallboards are greatly improved during construction, the wallboards are installed on the H-shaped steel frame through laser ranging, radar positioning, a mechanical arm and the like, and a rigid and hard outer wall is built; the wallboard can be hoisted and inserted into the H-shaped steel structure at a time after the ground and the C-shaped steel are combined into a large panel, the multi-layer wallboard is of a double-layer new material structure or a sandwich new material structure, the whole wallboard is of a lightweight design, the overall weight of the wall is reduced, meanwhile, the excellent strength is achieved, and the wall bodies are assembled conveniently and rapidly.

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 utility model belongs to the technical field of building external wall insulation construction, and particularly relates to a cavity-free external wall insulation structure. Comprising a heat preservation plate, the heat preservation plate is located on the outer side of an outer wall, a binding material is arranged on the periphery of the side face, close to the outer wall, of the heat preservation plate, the binding material defines a semi-surrounding shape with the top open on the side face of the heat preservation plate, and the heat preservation plate is fixedly connected to the outer wall through the binding material. A cavity defined by the heat preservation plate, the outer wall and the binding material is filled with a grouting binding agent. The heat insulation board is fixedly connected to the outer wall through the binding material, the cavity defined by the heat insulation board, the outer wall and the binding material is filled with the grouting binding agent, the outer wall and the heat insulation board can be connected in a cavity-free mode, the structure is firm, falling is not prone to occurring, the service life is long, exposed anchor bolts do not exist, and the heat insulation board is convenient to use. The heat-insulating decoration can survive once, so that the construction period is greatly shortened, and the cost is reduced.

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.

The invention discloses a waterproof structure for a fabricated building and a using method of the waterproof structure, and belongs to the technical field of fabricated buildings. The structure comprises a prefabricated outer wall, cast-in-place wall bodies are arranged on the two sides of the prefabricated outer wall, building sealants are arranged on the opposite sides of the prefabricated outer wall and the cast-in-place wall bodies, two pieces of fireproof glue are jointly embedded into the front side of the prefabricated outer wall and the front side of the cast-in-place wall bodies, and sealing rubber strips are arranged on one sides of the fireproof glue; two backing materials are jointly embedded in the rear side of the prefabricated outer wall and the rear side of the cast-in-place wall, waterproof glue is arranged on one side of each backing material, a drainage groove is formed between the prefabricated outer wall and the cast-in-place wall, and drainage holes are formed in the bottom and the side face of the drainage groove. The seamless connection structure has the advantage of being high in safety, seamless connection is achieved between the prefabricated outer wall and the cast-in-place wall body under the cooperative use of the structure, and the safety and stability between the prefabricated outer wall and the cast-in-place wall body are remarkably improved.