31results about How to "No empty drum" patented technology

The invention discloses modified direct-scraping thin-layer plastering mortar and a construction method. The plastering mortar is prepared from the following components in parts by weight: 150-200 parts of cement, 700-820 parts of sand, 60-90 parts of mineral micro powder, 0.5-1.2 parts of dispersible latex powder, 0.5-1 part of a thickening agent, 0.2-0.6 part of alkaliproof fibers, 0.1-0.5 part of thixotropic lubricant powder, 0.5-2 parts of multifunctional powder and 150-170 parts of water. The mortar materials disclosed by the invention are small in construction dosage, simple in technology, excellent in bonding force, excellent in crack resistance, and not liable to hollow and crack, the efficiency is greatly improved, and the cost is reduced.

Disclosed desulfurized-gypsum-base lightweight spraying gypsum mortar is composed of the following compositions in parts by weight: 50-65 parts of desulfurized gypsum, 20-30 parts of building sand, 3-5 parts of vitrified microsphere, 10-20 parts of stone powder, 0.1-0.5 part of a retarder, 0.1-0.3 part of cellulose ether, 0.02-0.04 part of an air-entraining agent, and 0.05-0.1 part of starch ether. The desulfurized-gypsum-base lightweight spraying gypsum mortar employs mechanical spraying for construction, possesses the dry density less than 1000 Kg/m<3>, the heat-conduction coefficient of 0.20 W/(m*K) and the compressive strength lager than 4.0 MPa, and possesses the characteristics of being light in weight, low in heat-conduction coefficient, high in strength and suitable for mechanical spraying construction, and the like.

The dry mixed polymer mortar consists of quartzite 60-65 wt%, cement 20-25 wt%, limestone powder 8-12 wt%, amylase 3-3.5 wt%, thixotropic bentonite lubricant 1-3 wt%, organic silicon compound 1.5-2.0wt%, hydrophobic agent 0.15-0.20 wt%, methyl cellulose 0.20-0.30 wt% and cellulose fiber 0.30-0.60 wt%. It is one kind of green furnishing and decorating material and has the features of light weight, high strength, high adhesion, being fireproof, etc.

The invention provides ardealite-based lightweight plastering gypsum and a preparation method thereof, and the plastering gypsum comprises the following raw materials by mass: 30.1- 70.5% of calcined ardealite and alum, 4.5-15.5% of cement, 14.5-45.5% of ground calcium carbonate, 4.5-12.5% of vitrified microbeads, 0.01-1.0% of cellulose, 0.1-2.0% of a coupling agent, 0.01-1.0% of a tackifier, and 0.01-1.5% of a retarder. The calcined ardealite and the alum are formed by mixing and calcining alunite raw ore and ardealite. The semi-hydrated-anhydrite mixed-phase gypsum cementing material prepared through calcination can utilize the hydration characteristics of two gypsum phases, fully exerts the advantages of the two gypsum phases, provides a new way for large-scale utilization of phosphogypsum, and has good environmental and economic benefits.

The invention discloses a waterproof plastering gypsum and a preparation method thereof, and relates to the technical field of plastering gypsum. The waterproof plastering gypsum comprises the following raw materials in parts by weight: 85-95 parts of natural gypsum, 25-35 parts of mineral ash, 20-25 parts of natural stone powder, 20-25 parts of an aldehyde remover, 15-20 parts of an assistant, 10-15 parts of vitrified micro-bubbles and 90-120 parts of water. According to the invention, the problems that the existing plastering gypsum is poor in water resistance and easy to mildew and fall offdue to damp are solved.

The invention discloses a bridge component collision damage restoration method, and belongs to the technical field of bridge restoration. The method comprises the following steps that a collision damage position is carefully inspected; if the collision only occurs on the surface, a damage party can perform repair operation; then, broken and loose concrete in the collision damage position can be chiseled away; deformation or fracture steel bars and steel twisted lines are connected and are subjected to anti-rust treatment; then, epoxy resin glue liquid used for glue bonding is brushed and coated on the surfaces of the steel bars and steel twisted lines; after bubbles of the epoxy resin glue liquid to be brushed and coated are eliminated, a mixture of epoxy mortar and high-intensity concrete can be gradually and compactly loaded into the repair region in a small amount and multilayer mode; leveling is performed; then, after the initial set of the mixture, a steel plate in the proper shape is cut according to the fold line length of the damaged edge and corners of the collision position; the collision damage position is subjected to corner covering treatment; then, the steel plate surface is subjected to paint brushing anti-rust treatment; warning paint is brushed and coated. The method is used for performing fast, effective and practical restoration on a bridge.

The invention relates to walls, roof surfaces, and stilt floor slabs of industrial and civil buildings, in particular to a construction method for control insulation layers of step type equal height insulation laths. The invention is characterized in that the step type equal height insulation laths are connected on a base course wall through bonding agent to form reference control, then a polyurethane hard foam insulation layer is spray coated and a slurry material insulation layer is applied between two step type equal height insulation laths, so as to realize the effective control of the layer thickness and the overall thickness of the insulation layers. The polyurethane hard foam insulation layer is spray coated according to the height of a first step H1 of the step type equal height insulation laths, and the slurry material insulation layer is applied according to the height of a second step H2 of the step type equal height insulation laths. The width of the step type equal height insulation laths is 70 to 120 mm. The invention has the advantages that the application of the step type equal height insulation laths realizes the effective control to the thickness of the two insulation materials in the construction process; after the polyurethane hard foam insulation layer is spray coated, the surface is not required to be finished, thereby the labor intensity is reduced, the working time is saved and the environment pollution caused by construction waste generated by finishing the surface is reduced; the insulation layers have good insulation integrity and consistent thermal performance, edge joints and a hot bridge effect of large thickness insulation layers of EPS, etc. can be avoided, and the high efficiency and the energy conservation can be realized.

The embodiment of the invention provides an integrated bathroom. The integrated bathroom comprises a chassis and a plurality of wall plates. The wall plates comprise chassis main bodies and chassis ceramic tiles, the chassis main bodies comprise ultra-high performance cement-based composite material layers, the chassis ceramic tiles and the chassis main bodies are integrally poured and formed, and the chassis main bodies are used for being arranged on the ground; each wall plate comprises a wall plate main body and a wall plate ceramic tile, the multiple wall plate main bodies of the multiple wall plates are sequentially connected, the wall plate main bodies comprise ultra-high performance cement-based composite material layers, and the wall plate ceramic tiles and the wall plate main bodies of each wall plate are integrally poured and formed; and the lower ends of the wall plate main bodies are detachably mounted on the edges of the chassis main bodies. According to the integrated bathroom, ultra-high performance cement-based composite materials are used as materials of the chassis main bodies and the wall plate main bodies, the cost is low, the chassis and the wall plates are integrally poured and formed correspondingly, the chassis ceramic tiles and the wall plate ceramic tiles are not prone to falling off, the chassis and the wall plates do not have the problems of hollowing and vibration, the strength of the chassis and the wall plates is high, the overall thickness of the chassis and the wall plates is small, and the occupied indoor space is small.

The invention discloses a bonding method of a flexible veneer. At present, a construction technology for novel external wall veneer materials in the market basically follows the construction technology of tile veneering. Small-size veneers are adopted for being bonded, and the construction technology has the defects that veneers are prone to bulging to form cavities inside and falling, low in strength, low in construction efficiency and the like. When the size of a veneer material is larger than 1.22 m *2.44 m, the construction technology cannot be used conveniently. According to the bonding method, the flexible veneer is wound through a reel and then is bonded to a wall, the purpose of bonding the large flexible veneer material to the wall at a time is achieved, the bonding method has the advantages that the bonded veneer material is compact, firm, free of bulging cavities, flat, high in construction efficiency and the like, the problems that an existing bonding method is prone to forming bulging cavities and falling, low in strength, low in construction efficiency and the like are solved, and the common quality problems such as bulging cavities, falling and unflatness are avoided.

The invention discloses a light composite thermal insulation board for fabricated building. The light composite thermal insulation board for fabricated building comprises fireproof layers and thermal insulation layers, surfaces of the fireproof layers are in glued connection with surfaces of the thermal insulation layers, a filling groove is formed in an inner cavity of the fireproof layers, and an inner cavity of the filling groove is filled with a fireproof filling material; and the inner cavity of the fireproof layers is fixedly connected with fixing plates, and one sides of the fixing plates are fixedly connected with inserting rods. The invention relates to the technical field of thermal insulation boards. In the light composite thermal insulation board for fabricated building, the fixing plates and the inserting rods are arranged in the thermal insulation layers, the fixing plates and the inserting rods are subjected to one-time machining forming with the thermal insulation layers, the fireproof layers are subjected to machining forming, after the filling groove is formed, the inserting rods are inserted into the fireproof layers, and adhesive glue is applied on the fireproof layers and the thermal insulation layers to be bonded together, inserting bolts are screwed into the inserting rods, such that assembly can be rapidly completed, fireproof and thermal-insulating effects can be achieved at the same time, the use range is wider, and strength of the thermal insulation board is effectively improved.