32results about How to "Reliable carrying capacity" patented technology

The invention discloses a cast-in-place concrete large-size core formwork hollow floor anti-floating structure and a construction method. The cast-in-place concrete large-size core formwork hollow floor anti-floating structure comprises a formwork and a support, wherein an upper-layer reinforcing mesh and a lower-layer reinforcing mesh are arranged on the formwork, a plurality of core formworks are arranged between the upper-layer reinforcing mesh and the lower-layer reinforcing mesh, anti-floating steel bars are arranged between the upper-layer reinforcing mesh and the core formworks, the anti-floating steel bars are horizontally placed on the plurality of core formworks, vertical rods are perpendicular to the anti-floating steel bars mutually, positioning pieces are arranged on one endsof the vertical rods towards the anti-floating steel bars in an extending mode, threaded ends are arranged on the other ends of the vertical rods towards the formwork in an extending mode, bearing rods are arranged on the outer walls of the vertical rods, a plurality of through holes are formed in the formwork, the plurality of through holes are in one-to-one correspondence with the vertical rods,and connecting pieces are detachably arranged on the through holes. According to the cast-in-place concrete large-size core formwork hollow floor anti-floating structure and the construction method,the problems that in the prior art, a large-size core formwork hollow floor structure floats upwards in construction, and a large amount of labor is consumed for core formwork fixing and iron wire cleaning in a traditional construction technology are solved.

The invention discloses an intelligent aluminum alloy bar concrete structure, and a manufacturing and construction method thereof. A skeleton of the concrete structure consists of aluminum alloy bars, and the aluminum alloy bars contain intelligent aluminum alloy bars. Each aluminum alloy bar is formed as follows: a groove is formed in aluminum alloy, a fiber grating sensor is placed in the groove, and the inner wall of the groove and the fiber grating sensor are coated with protective layers. The intelligent aluminum alloy bar concrete structure provided by the invention is lightweight, high-strength and corrosion-resistant, improves the durability of the concrete structure, can monitor the stress and safety health of the concrete structure in real time and perform early warning, and has high strain measuring precision and is low in cost.

A wind-resistance spherical supporting seat comprises a convex spherical steel lining plate and a concave spherical steel lining plate. A middle subplate, the convex spherical steel lining plate and the concave spherical steel lining plate are arranged in a pelvic cavity of a supporting seat base plate in sequence; the plane side of the convex spherical steel lining plate is matched with the middle subplate in a sliding mode, the convex spherical surface of the convex spherical steel lining plate is matched with the convex spherical surface of the concave spherical steel lining plate in a sliding mode, the plane side of the concave spherical steel lining plate is matched with a supporting seat top plate in a sliding mode; a rotary mechanism of the supporting seat is formed by the convex spherical steel lining plate and the concave spherical steel lining plate, the functions of bridge horizontal load and rotation of the supporting seat are achieved; and an interval is left between the middle subplate and a supporting seat bottom plate, butterfly-shaped springs are arranged in the interval, and thus an elastic supporting mechanism is formed. The wind-resistance spherical supporting seat can freely and flexibly rotate in all directions, has a buffering impact on waggle, caused by bridge horizontal wind power or earthquake force, of a bridge girder, and normal sliding and rotation of a girder body in the vertical direction or the vertical bridge direction are guaranteed; and the demands of the large bearing capacity and large angle rotation of the girder body are met, the durability of the supporting seat is good, and the service life is long.

The invention is a kind of high pressure rotary-spraying hollow pedestal pile and the manufacturing method. The invention sets pile along the ground vertically, in the middle part of the pile, hollow holes are set parallel to the pile, the hollow holes is all through the pile, there sets a pedestal pile feet on the subjacent part of pile in the ground, the section of the pile is circular, rectangular or polygon. The invention is reasonable, the structure is compact, and the constructing is convenient, easy to be controlled. It saves material, labor, time, energy and investment. It upgrades the bearing ability of the pile, the bearing and price ratio of single pile is higher than current pile. It can applied to pile base of building foundation, constructing material, device base or soft soil base in constructing engineering, bridge engineering, municipal works and hydraulic engineering. The invention accords to the standards (building pile base technology standards) JGJ94-94 and (building ground process technology standards)JGJ79-91.

The spiral sharp-rib anchor rod has one straight rod section and one rod section with rolled spiral sharp-rib on the surface. The spiral rib drilling rod for drilling the spiral sharp rib hole has one rod body with rolled spiral rib and one bit on one end of the rod body. The present invention makes it possible to fix the bolt support inserted into the hole without using bolt support fixing agent and this makes the operation simple and the bolt support reusable.

The invention relates to a self-resetting steel plate shear wall based on a hyperelastic shape memory alloy screw, and the shear wall comprises a boundary beam, boundary columns, an embedded steel plate, a shear-resistant element, and a foundation beam. The foundation beam is disposed at a lowermost part, and the number of boundary columns is two, wherein the two boundary columns are arranged to be parallel. The boundary columns and the foundation beam are connected through the hyperelastic shape memory alloy screw arranged at the lowermost part. The boundary beam is connected with the upper ends of the two boundary columns, and the embedded steel plate is disposed between the two boundary columns. The shear-resistant element is disposed between the bottom of the embedded steel plate and the foundation beam. According to the invention, the hyperelastic shape memory alloy screw plays a role in consuming energy and providing a self-resetting effect, and also achieves the self-resetting effect. Compared with the prior art, the shear wall is simple in structure, is flexible in design, and is convenient to construct. The self-resetting capability can effectively reduce the cost of post-earthquake repair or reinforcement of the structure, and improves the recovery capability of post-earthquake use of the overall structure.

The invention discloses a construction method for a municipal soft soil roadbed. The roadbed comprises a cement stabilization layer, a cushion layer, a reinforcing layer, a top sealing layer and a retaining wall; the structure is reasonable, the bearing capacity of the roadbed can be enhanced by the adoption of the retaining wall, in the cement stabilization layer, a curing agent promotes cement and soil to be subjected to a hydrolysis hydration reaction, gel is formed, finally a stable whole structure is formed, so that the overall strength of a soil body is improved, and the use bearing capacity of the roadbed is further improved. The cushion layer is laid for three times to be constructed and leveled and compacted layer by layer, the compactness is improved, and therefore the stability of the roadbed is improved. Longitudinal reinforcing ribs are arranged between the laid layer at the first time and the laid layer at the second time, transverse reinforcing ribs are arranged between the laid layer at the second time and the laid layer at the third time, the supporting force of the roadbed is enhanced, and the bearing capacity of the roadbed is further improved. Therefore, the construction method has the beneficial effects of being high in feasibility and efficiency, and the roadbed has the beneficial effects of being high in bearing capacity, unlikely to settle and collapse and the like.

The invention relates to an automatic cleaning facility for a rocket storage tank structure, and belongs to cleaning and washing of long and thin tank structures in the field of mechanical engineering. The automatic cleaning facility comprises a cleaning head, an autorotation mechanism, a feeding mechanism, a horizontal telescoping mechanism, a rotating mechanism, a vertical telescoping mechanism and a base frame. The vertical telescoping mechanism is fixedly arranged on the top of the base frame, and the rotating mechanism is fixedly arranged at the telescoping end of the vertical telescoping mechanism. The horizontal telescoping mechanism is fixedly arranged at the top end of the rotating mechanism, and the rotating mechanism is used for driving the horizontal telescoping mechanism to conduct 360-degree rotation on the horizontal plane. The telescoping end of the horizontal telescoping mechanism is connected with the feeding mechanism. The telescoping end of the feeding mechanism is connected with the autorotation mechanism, and the feeding mechanism is used for driving the autorotation mechanism to conduct reciprocating movement in the vertical direction. The bottom end of the autorotation mechanism is connected with the cleaning head, and the autorotation mechanism is used for driving the cleaning head to rotate. The automatic cleaning facility can achieve all-height all-around cleaning of the inner wall, and is particularly suitable for high-efficiency and high-quality cleaning of redundant objects in a rocket storage tank.

The invention discloses a steel truss support unloading structure and an unloading method. The steel truss support unloading structure includes at least three steel trusses, connecting pipes symmetrically arranged in the middle of both sides of the steel trusses, and rails symmetrically arranged at the bottom of the steel connecting beams. The dismantling structure includes a steel column limb, a hemisphere arranged at the bottom of the steel column limb, a sliding shoe clamped on the track, a pressure plate for fixing the sliding shoe and the hemisphere, and support components symmetrically arranged on both sides of the steel column limb. The support assembly includes a pipe support, a jack and a jack base, the jack base is arranged on the track, the lower end of the connecting pipe is set on the pipe support, and the jack is arranged between the bottom of the pipe support and the jack base. The equipment has simple structure, convenient processing, flexible layout, reliable bearing capacity, safety and stability, and can meet the unloading requirements of all support points. At the same time, the tooling can completely remove the sliding track, so that the track can be used in different projects. It has high promotional value.

The invention discloses a suddenly applied load testing device. The suddenly applied load testing device comprises a support, a tension sensor, a cable force adjusting device, a cable breaking device, a gravity loading device and a controller, wherein the upper end of the cable force adjusting device is connected with the top of the support; an output end of the cable force adjusting device is connected with the upper end of the tension sensor through a rope; the lower end of the tension sensor is connected with the upper end of the cable breaking device; the lower end of the cable breaking device is connected with the upper end of the gravity loading device; the lower end surface of the gravity loading device is in contact with the upper surface of a test piece; an output end of the tension sensor is connected with an input end of the controller; and an output end of the controller is connected with a control end of the cable force adjusting device. By the device, instant compression strength of the test piece can be quantitatively analyzed.

The present invention relates to high-pressure rotary spraying and core inserting process to form pedestal pipe. The pedestal pile consists of core pile, column and pile depestal. The cylindrical or turned frustum-shaped core pile may be prefabricated reinforced concrete pile, in-situ deposited pile or other pile in different cross section shapes. The pile pedestal below the core pile has diameter greater than that of the core pile. The column has circular, semi-circular of fan-shaped cross section. There may be several auxiliary core piles around the main solid or hollow core pile and several rings in relatively great diameter around the column. The present invention has reasonable design, compact structure, high friction resistance, and wide application in building engineering, bridge engineering, civil engineering, water engineering, etc.