39results about How to "The construction process steps are simple" patented technology

The invention relates to an angle hoop tie reinforcement system of a traditional stone masonry house and a construction technology. The system comprises long steel angles, the long steel angles are used for fixedly clamping outer wall corner angles of the stone masonry house, and one side of each short steel angle is connected with the corresponding long steel angle through diagonal tension plates. A connecting hole is formed in the middle of the other side of each short steel angle. Every two adjacent short steel angles are connected through tie bars penetrating through the connecting holes. The long steel angles, the short steel angles, the diagonal tension plates and the tie bars are mutually connected to form closed steel hoop structures. The steel hoop structures are hooped around the outer wall of the stone masonry house. The tie bars are prestressed steel bars. The steel angles are fixed to the corners of the wall of the stone masonry house, every two adjacent steel angles are connected through the steel tie bars, and prestress is exerted on the steel tie bars, so that the steel tie bars are matched with the steel angles to form the steel hoop structures. The steel hoops generate large constraint force on the corners of the wall, so that the stress condition of the original structure of the stone masonry house is changed, shear stress of connecting positions of longitudinal and transverse walls is reduced, and cracks at the connecting positions of the longitudinal and transverse walls and further expansion of cracks already generated are avoided.

The invention discloses an assembled type gridding shearing wall structural system which comprises a plurality of shearing wallboards arranged from top to bottom. Each shearing wallboard comprises a shearing wall body, upper restraining hidden beams and two vertical edge restraining components, the shearing wall body is formed by a plurality of prefabricated gridding shearing wall main bodies in a spliced mode, every two adjacent prefabricated gridding shearing wall main bodies are connected through a connecting hidden column, and rectangular boxes on the internal framework of each prefabricated gridding shearing wall main body are respectively provided with a rectangular heat preservation board in an inlaid mode. A construction technology of the assembled type gridding shearing wall structural system includes the steps of (1) carrying out measuring and setting-out, (2) hoisting the prefabricated gridding shearing wall main bodies, (3) constructing the upper restraining hidden beams, the connecting hidden columns and the vertical edge restraining components, (4) constructing the shearing wallboard on the upper layer, and (5) repeating the steps till the construction process of the multiple shearing wallboards is completed. The assembled type gridding shearing wall structural system and the construction technology are reasonable in design, convenient to construct, low in investment cost and good in use effect, and multiple problems in traditional assembling of an integrated shearing wall structure can be effectively solved.

The invention discloses a prestressed construction process for building a high-rise building structure. All steel wire ropes in prestressed tendons are dispersedly anchored through first anchor bearing plates and corresponding first anchorage devices, so that the problem that stress on the surrounding structure of the first anchor bearing plates is concentrated after tension releasing is avoided; all the first anchor bearing plates are arranged along the spherical surface, i.e. the bearing surfaces of all the first anchor bearing plates are supported by an imaginary sphere, so that the stress is more uniform, and the stability of the anchoring structure is facilitated; and second anchor bearing plates, cavity molds and templates are relatively fixed, so that holes, through which the prestressed tendons can penetrate, of the second anchor bearing plates, the cavity molds and the templates are not staggered, the prestressed tendons can be arranged to be perpendicular to the outer surfaces of the templates all the time, the process requirement is met, and accurate implementation of prestress of the high-rise building structure is guaranteed. The prestressed construction process has the advantages of simple steps, convenience in operation and good effect.

The invention discloses a steel pipe column for a subway station and a construction process of the steel pipe column. The steel pipe column comprises a steel pipe supporting column, a middle joint structure arranged on the middle portion of the steel pipe supporting column and a lower joint structure arranged on the lower portion of the steel pipe supporting column. The middle joint structure comprises a round tray coaxially arranged on the steel pipe supporting column in a sleeving manner; a middle plate beam is supported on the round tray which is located below the middle plate beam; and the round tray is installed on the steel pipe supporting column in a clamped manner, and the steel pipe supporting column penetrates the interior of the middle plate beam. The lower joint structure comprises an upper stiffening structure, a middle stiffening structure and a lower stiffening structure which are arranged from top to bottom; and the upper stiffening structure, the middle stiffening structure and the lower stiffening structure are all poured in a bottom plate. The construction process includes the first step of pile hole excavation, the second step of steel pipe column hoisting and the third step of concrete pouring. The steel pipe column for the subway station is reasonable in design, easy and convenient to construct and good in using effect, the construction process of the steel pipe column in the subway station can be easily, conveniently and fast completed, and the constructed and formed steel pipe column is excellent in mechanical property.

The invention discloses a building roof construction process. A construction roof comprises a roof structure plate, a parapet wall and a roof surface layer, wherein the parapet wall is arranged above the roof structure plate, the roof surface layer is paved on the roof structure plate, a roof exhaust system is arranged on the construction roof and comprises a plurality of first horizontal exhaust pipes, the first horizontal exhaust pipes are respectively laid in a slope finding layer or a heat insulation layer in the roof surface layer, two ends of each first horizontal exhaust pipe are respectively connected with a vertical exhaust pipe, and the vertical exhaust pipes are embedded in the side walls of the parapet wall and a discharge flue or the side wall of an exhaust passage. The construction process of a construction roof comprises the steps of 1, surveying and setting out; 2, parapet wall, discharge flue and exhaust passage construction; 3, horizontal exhaust pipe positioning installation; 4, exhaust pipe connection; 5, roof surface layer construction; and 6, rigid protecting layer mesh division and caulking construction. The construction process has the advantages that the steps are simple, the operability is high, the realization is convenient, in addition, the work efficiency is high, the construction effect is good, and the construction quality of the construction forming building roof can be effectively ensured.

The invention discloses a construction technique for segmentally assembled box girders. The box girder to be constructed is a perforated girder, and each perforated girder is composed of a plurality of box girder segments assembled from the back to the front; As follows: 1. Prefabrication of box girder segments: Centrally prefabricate all box girder segments used to form the box girder to be constructed in the prefabrication yard; 2. Transport of box girder segments: transport all box girder segments to The erection position of the box girder under construction; 3. Box girder erection: use the descending bridge erecting machine to erect the constructed box girder. The descending bridge erecting machine includes the bottom horizontal support system, main girder system, longitudinal movement system, cantilever Cranes, assembly racks and assembly vehicles; 4. System conversion: system conversion will be carried out after the erection construction process is completed. The invention has the advantages of simple process steps, reasonable design, convenient construction, easy control of the construction process, good use effect, simple and rapid completion of the construction process of segmental assembled box girders, and easy guarantee of construction quality.

The invention provides a global position system (GPS) monitoring pier for frozen soil areas and swelling soil areas. The GPS monitoring pier comprises a pier foundation, a heat-preservation and water-resisting layer, a pier column and a GPS base for installing a static GPS. The pier foundation is buried under the surface of the earth, the pier column is vertically installed in the pier foundation, and the upper end of the pier column protrudes out of the surface of the earth; the heat-preservation and water-resisting layer is horizontally installed on the pier column, and the GPS base is installed at the top end of the pier column. The pier foundation is formed by pouring concrete. The pier column is a concrete molding plastic pipe filled with reinforced concrete internally. The invention further provides a construction process of the GPS monitoring pier. According to the GPS monitoring pier for the frozen soil areas and the swelling soil areas and the construction process thereof, the manufacturing process of a traditional GPS monitoring pier is simplified through the plastic pipe; the stability of the monitoring pier is ensured through burial depth, and the situation that freezing and thawing cycles and drying and watering cycles influence the monitoring pier is avoided; the pier foundation keeps in an environment of constant dry, wet and temperature by arranging the heat-preservation and water-resisting layer, and the influences of landforms and vegetation on the monitoring pier are decreased; the monitor precision and stability of the monitoring pier are high, and the device durability is good.

The invention discloses a railway T-beam erecting construction method based on continuous beam laying reloading points. A construction bridge comprises a front bridge section, a middle bridge section and a rear bridge section. The method comprises a first step of laying reloading points, and laying temporary reloading devices on the middle bridge section, a second step of loading beams on a beam transporting vehicle in a beam field; a third step of utilizing the beam transporting vehicle to transport the beams, and transporting T-beams to be erected to the reloading points; a fourth step of inversely loading the beams at the position of a continuous beam, and enabling the T-beams to be erected to be inversely loaded on a maneuvering beam-transporting flatcar; a fifth step of utilizing the maneuvering beam-transporting flatcar to transport the beams, and transporting the T-beams to be erected to be transported forwards to the position of a bridge erecting machine to feed the beams; a sixth step of utilizing the bridge erecting machine to erect the beams, and a seventh step of repeating the fourth step to the sixth step many times, and finishing the erecting process of all T-beams in the rear bridge section. The railway T-beam erecting construction method is simple in construction steps, simple and convenient to operate, low in input cost, quick in erecting speed and safe and reliable in the erecting process and can solve the problems that in an existing erecting method for inversely loading the T-beams at a bridgehead, the beam erecting progress is reduced, the working efficiency is low, the construction cost is high, and required construction devices and construction workers are too many, and the like.

The invention discloses a plane rotation construction technique for a steel truss girder for existing bridge spanning construction. A main girder of the constructed bridge is a steel truss girder spanning the existing bridge and obliquely crossing with the existing bridge; the technique comprises the following steps: firstly, constructing a high-altitude steel truss girder assembling platform which comprises a temporary buttress and a plurality of temporarily assembling brackets; secondly, assembling the steel truss girder at high altitude and removing the temporarily assembling brackets; thirdly, installing a steel truss girder rotation positioning device and a slippage system; before rotating the steel truss steel, firstly installing the steel truss girder rotation positioning device and the slippage system; fourthly, conducting plane rotation on the steel truss girder; and fifthly, dropping the girder in place. The construction technique is simple in steps, convenient to construct, fast to construct, safe and reliable in construction process and less in interference on the existing bridge, and can effectively solve the problems that the construction field is limited, the construction can not be normally conducted, the travelling interference on the existing bridge is large, the construction risk and hidden hazard are large and the like in construction with the existing in-situ falsework method and the dragging method.