141results about How to "Improve seismic strength" patented technology

The invention relates to the technical field of the building technology, in particular to a floor system. The floor system is formed by rectangular frames composed of steel beams. The floor system has the advantages of being reliable in quality, standard in production, high in construction speed, less in rubbish in a construction site and capable of being combined at will and saving materials.

The invention provides a preparation process of an artificial stone, relates to a decorative material of the artificial stone and belongs to the technical field of artificial stone material used in decoration. The invention more particularly relates to a preparation method of the artificial stone with high intensity. The product of the invention is prepared in a way that inorganic substances of cement, gypsum, siliceous dust, industrial lithium carbonate, ferric oxide pigment, a special water reducing agent, an inner-mixing waterproofing agent, quartz sand, white sand, river sand, other colored sand, and the like, which are harmless to human body are mixed and a wire gauze is added, thus improving the surface strength, tensile strength and earthquake resistant strength. The prepared product has the advantages of no smell, no toxicity, no radiation, fire protection, high surface strength, high tensile strength and good earthquake resistance.

The invention discloses a construction method of a multi-storey residential structure. The method comprises the steps of building a model of the multi-storey residential structure, building a stochastic seismic motion model of the multi-storey residential structure, computing the displacement and speed power spectrum densities of main components of the multi-storey residential structure, building a damage model of the multi-storey residential structure, computing a damage index, performing double reliability evaluation on the model of the multi-storey residential structure, and performing construction. The method performs construction according to the model of the model of the multi-storey residential structure which is qualified through evaluation in advance, reasonably performs adjustment in time according to an evaluation result, improves the earthquake-resistant behavior and the safety of structure, improves the efficiency and saves the cost.

The invention discloses an earthquake-proof escaping stairway of a building. The earthquake-proof escaping stairway comprised a plurality of stairway platforms. Each stairway platform is installed at the top of a ring beam, each ring beam is supported by a constructional column, every two adjacent stairway platforms are connected through a stairway board, a center strut perpendicular to the horizontal face is arranged between every two stairway boards, a boss protruding out of the bottom face of each stairway board is arranged in the middle of the bottom face of the corresponding stairway board, a corbel is arranged at the bottom of each boss, each corbel is connected with the corresponding center strut, a buffering rubber pad is installed between each corbel and the corresponding boss, a reserved hole is formed in the middle of each stairway board, the upper end of each reserved hole is communicated with the top face of the corresponding stairway board, the lower end of each reserved hole is communicated with the bottom face of the corresponding stairway board, an embedded post is installed in each reserved hole, the lower end of each embedded post is connected to the corresponding corbel, and each reserved hole is filled with concrete. The earthquake-proof escaping stairway has the advantages that the earthquake-proof strength of the stairway of the building can be effectively increased, a precious escaping and rescuing channel is reserved for people in the earthquake process and after an earthquake occurs, and the number of casualties in an earthquake disaster is reduced.

The invention relates to a bamboo reinforcement rammed earth wall building technology, belonging to the field of civil engineering, in particular to the technical field of earth building construction. During the prior construction of rammed earth walls, the distribution of bamboo strips are not controlled, so the bamboo reinforcement layer of the wall body becomes a weak link and does not bring into real play the tensile capability of rammed earth wall-inside horizontal stress bamboo reinforcement. The bamboo reinforcement rammed earth wall building technology comprises a rammed earth wall body and bamboo reinforcements, and during the conventional rammed earth building construction, the bamboo reinforcements are arranged on the cross section of the wall body according to proper reinforcement ratio, so that the shock strength of the wall body is obviously improved. The building technology is worth promotion and application for new buildings in rural areas.

A motor includes (a) a cylindrical frame made of ferromagnetic material, (b) a pipe fitted in and disposed within the frame concentrically, (c) a sintered bearing press-fitted into the pipe, (d) a cylindrical magnet fixed on an outer wall of the pipe at an inner wall of the magnet, and (e) a cylindrical coil facing the magnet via an annular space, where the frame and the pipe are welded at a fitted section therebetween. This structure allows the motor to withstand a strong enough shock. An apparatus requiring a vibration motor can employ this motor having a large vibrator, so that great vibrations are available for the apparatus. As a result, the apparatus-utilizing the great vibrations as various functions-is obtainable.

The invention belongs to the field of damping supports, in particular to a beam-falling-preventing shock-absorbing support. A transverse plate is fixedly mounted at the top of the base; a mounting plate is fixedly mounted at the top of the transverse plate; the two sides of the mounting plate extend to the two sides of the transverse plate; an arc-shaped plate is arranged above the mounting plate;the same shear plate is movably clamped on the sides, close to each other, of the arc-shaped plate and the mounting plate; irregular plates are fixedly mounted at the tops of two symmetrically-arranged mounting blocks fixedly mounted at the top of the mounting plate; the bottoms of the two irregular plates are both tightly attached to the top of the arc-shaped plate. A support is fixedly mountedat the top of the arc-shaped plate; two supporting seats which are symmetrically arranged are fixedly mounted at the top of the mounting plate; the two shear plates are firstly used for supporting thebeam body, after the shear plates are sheared off, vibration borne by the beam body is damped and buffered through the arranged supporting seats and the supporting columns, the beam body is further protected, the beam body is supported and damped in three steps, the situation that the beam body falls off is effectively avoided, and the damping effect is good.

The invention provides an assembly method of upper and lower interior walls and floors, including the following steps: S1, prefabricating interior wall shear walls and floors; S2, hoisting and installing: a first interior wall shear wall is hoisted and positioned, a first floor and a second floor are respectively hoisted on the two end faces of the top side of the first interior wall shear wall, asecond interior wall shear wall is hoisted on the top side of the first interior wall shear wall, and the two ends of the bottom side of the second interior wall shear wall are respectively pressed on the supporting ribs on the top sides of the first floor and the second floor; a cavity is formed between the floors and the first and second interior wall shear walls, and longitudinal steel bars, lacing wires and anchoring parts are ingeniously arranged in different ways; and S3, casting connection: concrete is poured into the cavity to form a double-overlapping post-poured connecting beam or adouble-anchorage horizontal post-poured strip which connects the floors and the interior wall shear walls together. The on-site construction work for the connection joint is less. The construction cost is lowered, and the construction period is shortened. The integrality and seismic strength of the building are greatly improved.

The invention discloses a water tank of a diesel engine. The water tank of the diesel engine comprises a connecting stud, and a water tank upper cover, a water tank middle body and an upper welding plate which are subjected to drawing and stamping forming, wherein the water tank upper cover is welded at the opening of the upper end of the water tank middle body; the upper welding plate is welded on the water tank upper cover; and the connecting stud is welded on one side of the water tank upper cover and the water tank middle body. In the water tank of the diesel engine, the water tank upper cover, the water tank middle body and the upper welding plate have the drawing and stamping forming structure, and the stud, the water tank upper cover, the water tank middle body and the upper welding plate are welded together to form the water tank of the diesel engine. The water tank of the diesel engine are divided into a plurality of parts which are subjected to drawing forming sequentially, so the defects of cold shut, sand burning, uneven outer surface and the like caused by casting are overcome. The water tank of the diesel engine has a bright and clean surface, does not have sand hole leakage, does not require procedures of sanding, polishing and the like, saves materials, and has high production efficiency and shock strength higher than that of products produced by a casting process.

The invention discloses a combined cofferdam construction method under complicated geological conditions. The method comprises the steps of establishing a combined cofferdam structural model, establishing a combined cofferdam structure random ground motion model, calculating the displacement and velocity power spectral density of main components of a combined cofferdam structure, establishing a combined cofferdam structure damage model, calculating damage indexes, conducting dual reliability degree assessment on the combined cofferdam structure model, conducting construction and the like. According to the method, construction is conducted according to the combined cofferdam structure model which is assessed to be qualified in advance, reasonable adjustment is made in time according to an assessment result, anti-seismic property and structural safety are improved, efficiency is improved, and cost is saved.

The invention discloses a highway tunnel structure construction method, which comprises the steps of building a highway tunnel structure model; building a highway tunnel structure random ground vibration model; performing displacement and speed power spectral density calculation on main components of a highway tunnel structure; building a highway tunnel structure damage model; performing damage index calculation; performing duplex reliability assessment on the highway tunnel structure model; performing construction and the like. The highway tunnel structure construction method has the advantages that the construction is performed according to the highway tunnel structure model which is assessed to be qualified in advance; reasonable regulation is made according to the assessment result; the anti-seismic performance and the structure safety are improved; the efficiency is improved; the cost is reduced.

The invention discloses a construction method for an earthquake-resistant ecological retaining wall, which comprises the steps of: constructing an earthquake-resistant ecological retaining wall structural model; constructing a stochastic earthquake ground motion model of an earthquake-resistant ecological retaining wall structure; calculating displacement power spectral densities and speed power spectral densities of main components of the earthquake-resistant ecological retaining wall structure; constructing a damage model of the earthquake-resistant ecological retaining wall structure; calculating a damage index; carrying out double reliability evaluation on the earthquake-resistant ecological retaining wall structural model; carrying out construction; and the like. According to the construction method disclosed by the invention, construction is carried out according to the earthquake-resistant ecological retaining wall structural model which is qualified by in-advance evaluation, and according to an evaluation result, reasonable regulation is timely carried out; earthquake resistance and structural security are improved; efficiency is improved; and cost is saved.

The invention discloses a pro-environment hollow brick with plant fiber. The brick includes by weight the following components: caved coal and rock limestone particle 45-50 parts, light tail perlite 8-12 parts, cement 8-10 parts, clinker 5-8 parts, red mud 4-6 parts, fruit shell refuse 3-5 parts, grain crop straw 3-5 parts, aluminum powder 0.3-0.5 parts, epikote 4-6 parts, plaster powder 1-2 parts, curing agent 0.5-0.8 parts, foam stabilizer 1-2 parts, carboxymethyl cellulose 2-4 parts, water 50-60 parts. The present invention mixes large amount of plant fiber. The production cost is low, with extremely good environment protection and high anti-seismic intensity.

The invention provides a fabricated anti-seismic beam-column connection node structure. The fabricated anti-seismic beam-column connection node structure comprises fixing columns and cross beams, a cavity is formed in a fixing column, a connecting hole is formed in one side of the cavity, a fixing plate is arranged in the cavity, a connecting block for connecting the fixing plate and a cross beam is arranged at the connecting hole of the cavity, and first damping assemblies is arranged between the connecting block and the cross beam. Supporting assemblies connected between the connecting block and the fixing column is arranged below the connecting block, and second damping assemblies is arranged between a supporting assembly and the fixing column. According to the fabricated anti-seismic beam-column connection node structure, the first damping assemblies are extruded to contract, so that part of earthquake energy can be consumed, the vibration influence is relieved, the cross beam can be reset under the action of the first damping assemblies, the supporting assemblies can diffuse thrust to the fixing columns, and the second damping assemblies effectively relieve vibration between the cross beam and the fixing columns; therefore, the earthquake energy can be diffused and reduced step by step, damage caused by earthquakes is reduced, and the anti-seismic strength of a beam-column connection node is improved.

The invention discloses a construction method of a back anchor type cantilever combined bracket structure. The construction method comprises the following steps: constructing a back anchor type cantilever combined bracket structure model, constructing a random earthquake model of the back anchor type cantilever combined bracket structure, calculating displacements and speed power spectral densities of main components of the back anchor type cantilever combined bracket structure, constructing a back anchor type cantilever combined bracket structure damage model, calculating damage indexes, carrying out double reliability assessment on the back anchor type cantilever combined bracket structure model, and constructing the back anchor type cantilever combined bracket structure. According to the construction method disclosed in the invention, construction is carried out according to the back anchor type cantilever combined bracket structure model which is qualified through assessment, and reasonable adjustment is carried out according to the assessment result, so that the earthquake resistance and structure safety are improved, the efficiency is improved and the cost is saved.

The invention provides a self-insulation external wall panel and a mounting mechanism thereof, relating to the field of prefabricated and assembled buildings. The external wall panel is composed of inner and outer blade plates; a plurality of symmetrical blade plate ribs are arranged on each blade plate by being separated from each other by a certain distance; blade plate connecting pieces are arranged on the symmetrical blade plate ribs so that the inner and outer blade plates are connected and fixed, and are separated from each other by a certain distance. Due to the improvement of the external wall panel, the shock strength and the thermal insulation coefficient of the external wall panel are greatly improved; the external wall panel is connected with a floor slab connecting piece so that the external wall panel is in non-rigid connection with an upright column, and therefore, the overall connection strength and the shock resistance can be greatly improved.

The invention belongs to the technical field of silencer manufacturing and particularly relates to novel automotive silencing equipment. The novel automotive silencing equipment comprises a shell, a front end cover, a rear end cover, an air inlet pipe, a buffer pipe, an air outlet pipe, a first partition plate, a second partition plate, a third partition plate, a partition plate support, a first cavity, a second cavity, a third cavity, a fourth cavity, silencing cotton and glass fiber cotton. The front end cover and the rear end cover are arranged at the two ends of the shell respectively. The first partition plate, the second partition plate and the third partition plate are sequentially arranged inside the shell. The second partition plate is connected with the third partition plate through the partition plate support. The shell is divided into the first cavity, the second cavity, the third cavity and the fourth cavity through the first partition plate, the second partition plate and the third partition plate. The novel automotive silencing equipment is good in silencing effect and high in silencing speed.

The invention relates to a high-strength horizontal bar for ladder type cable trays. The longitudinal section of the horizontal bar is an omega-shaped integral plate. Stop plates are vertically disposed at two ends of the horizontal bar. The longitudinal section of each stop plate is in the shape of a right trapezoid, and one right-angle end of every stop plate is connected with the horizontal bar. The longitudinal section of the horizontal bar is the omega-shaped integral plate, so that ladder sides are connected with the horizontal bar by means of face contact instead of traditional point contact, the contact area is larger, cold solder joint can be controlled effectively, welding can be output quickly with high quality, and shock strength is higher.

The present invention addresses the problem of providing an engine device to be mounted on a working machine, said engine device being constructed such that a support structure for multiple or a single exhaust gas purification case (75, 151) and the like can be simplified, and the multiple or single exhaust gas purification case (75, 151) can be easily attached to a working vehicle such as an agricultural machine or a construction machine. In this engine device to be mounted on a working machine, multiple or a single exhaust gas purification case (75, 151) for treating the exhaust gas of a diesel engine (14) is provided, and an exhaust gas inlet port of the exhaust gas purification case (75, 151) is connected to an exhaust pipe (119) of the diesel engine (14). The engine device is constructed such that an engine compartment frame (91) is provided on a traveling machine body (1), an engine compartment (97) is formed by the engine compartment frame (91), and the diesel engine (14) is installed inside the engine compartment (97), and is equipped with an exhaust gas purification unit frame (114) that secures the multiple or single exhaust gas purification case (75, 151) as one unit, said exhaust gas purification unit frame (114) being detachably mounted either on the diesel engine (14) or on the engine compartment frame (91).