34results about How to "Prefab simple" patented technology

The invention discloses a stiffened joint-crossing plate based bridge deck jointless expansion device and a construction method thereof. The expansion device comprises a prefabricated expansion assembly and an expansion joint filler filled layer filled above the prefabricated expansion assembly, wherein the prefabricated expansion assembly is arranged on an expansion joint reserved between every two adjacent girder segments, and a sliding layer is laid on a girder exposed segment of each girder segment; the prefabricated expansion assembly comprises a stiffened joint-crossing plate and two wave-shaped expansion plates. A construction method for an expansion device to be repaired comprises the steps of cleaning an original bridge expansion device, constructing reserved mounting grooves, constructing the sliding layers, carrying out field assembly and mounting on the prefabricated expansion assembly and constructing the expansion joint filler filled layer. A construction method for an expansion device to be constructed comprises the steps of prefabricating the prefabricated expansion assembly, carrying out field assembly on the prefabricated expansion assembly, constructing the sliding layers, mounting the prefabricated expansion assembly and constructing bridge deck pavement structures and the expansion joint filler filled layer. The stiffened joint-crossing plate based bridge deck jointless expansion device and the construction method thereof have the advantages that the design is reasonable, the construction is convenient, the use effect is good, and multiple problems of the existing expansion devices can be solved.

The invention discloses a bridge seamless telescopic device and a construction method of the device. The bridge seamless telescopic device comprises a main beam span telescopic device and a bridge abutment telescopic device, wherein the main beam span telescopic device comprises a first prefabricated telescopic component and a first telescopic joint filler filling layer; the bridge abutment telescopic device comprises a second prefabricated telescopic component and a second telescopic joint filler filling layer; the first prefabricated telescopic component and the second prefabricated telescopic component are formed by reinforced joint-crossing plates and wave-shaped telescopic plates. A construction method of a telescopic device to be repaired comprises the following steps: cleaning an original bridge telescopic device, constructing a preserved mounting slot, constructing a sliding layer, assembling and mounting prefabricated telescopic components, and constructing telescopic joint filler filling layers. A construction method of a telescopic device to be constructed comprises the following steps: prefabricating and processing prefabricated telescopic components, assembling the prefabricated telescopic components on site, constructing a sliding layer, mounting prefabricated telescopic components, paving a structure and constructing telescopic joint filler filling layers. The bridge seamless telescopic device is reasonable in design, convenient to construct and high in using effect, and can be used for solving various problems of the existing telescopic device.

The invention discloses an abutment hidden expansion device and a construction method thereof. The expansion device comprises a prefabricated expansion component arranged on an abutment expansion joint, and an expansion joint filler filling layer filled in the upper side of the prefabricated expansion component, wherein a bridge deck pavement structure is paved on a main beam; a slide layer is paved on an exposed section of the main beam; a road surface pavement layer is arranged at the outer side of the upper part of an abutment; the prefabricated expansion component comprises a reinforced joint plate and a waveform expansion plate; a construction method of an expansion device to be repaired comprises the steps of cleaning of an original bridge expansion device, construction of a reversed mounting groove, construction of the slide layer, field assembly and installation of the prefabricated expansion component and construction of the expansion joint filler filling layer; and a construction method of an expansion device to be constructed comprises the steps of prefabrication of the prefabricated expansion component, field assembly of the prefabricated expansion component, construction of the slide layer, installation of the prefabricated expansion component and construction of the bridge deck pavement structure and the expansion joint filler filling layer. The abutment hidden expansion device and the construction method thereof have the advantages of reasonable design, convenience for construction and good use effect, and can solve multiple problems in traditional expansion devices.

The invention discloses a corrugated steel plate built-in seamless expansion device between a girder and a bridge abutment and a construction method of the seamless expansion device. The expansion device comprises prefabricated steel plate elements distributed on a bridge abutment expansion joint and expansion joint filler packing layer filled above the prefabricated steel plate elements; the prefabricated steel plate elements comprise straight steel plates, corrugated steel plates and a plurality of arched reinforcing steel bars; a plurality of shear pins are fixed on the corrugated steel plates; a sliding layer is paved on the girder exposed section; the construction method of the to-be-repaired expansion device comprises the following steps: cleaning the original bridge expansion device, constructing preserved mounting grooves, constructing the girder sliding layer, assembling the prefabricated steel plate elements in the field, and mounting and constructing the expansion joint filler packing layer; the construction method of the to-be-constructed expansion device comprises the following steps: prefabricating and processing the prefabricated steel plate elements, assembling the prefabricated steel plate elements in the field, constructing the girder sliding layer, mounting the prefabricated steel plate elements, and constructing the bridge deck pavement structure and the expansion joint filler packing layer. The corrugated steel plate built-in seamless expansion device disclosed by the invention is reasonable in design, convenient to construct, and good in use effect, and can solve a plurality of problems in the existing expansion device.

The present invention discloses a hinge which can mount a door into a right opening door or a left opening door; the hinge comprises door hinges and doorframe hinges which are respectively mounted on the door and the doorframe; two hinges are provided with mounting screw holes; the two hinges are respectively provided with coils; the shaft core penetrates through the coils of the two hinges to integrally connect the two hinges, wherein an upper surface of the door hinge is provided with a cambered bridge which is connected with the coil of the door hinge. Simultaneously, the present invention discloses a mounting method of the hinge with such structure and the door, that is, a tenon position of which the specification is matched with that of the door hinge is preset on a longitudinal central line at the edge of the door; the door hinge is mounted in the tenon position so that the surface of the door hinge is level with the surface of the edge. The hinge can randomly mount the door into the right opening door or the left opening door without damaging the edge of the door; the tenon position and the screw holes are easily and rapidly preset at the edge. The hinge structure and the mounting method of the present invention can avoid the potential problems of cracking of the door edge or the doorframe along the textures of the wood.

The invention discloses a novel plug-in steel cylinder wind power base, and relates to the technical field of offshore wind power base. The novel plug-in steel cylinder wind power base comprises an upper jacket structure, a first lower base steel cylinder structure and a second lower base steel cylinder structure, the upper jacket structure comprises a jacket, diagonal supports, a fan connection transition section, leg piles, the lower base steel cylinder structures comprise steel cylinders, transverse trapezoidal ribs are fixed to the inner walls of the steel cylinders at an equidistant distance in the circumferential direction, and reserved steel sleeves matched with the leg piles are arranged on transverse trapezoidal ribs in a penetrating mode. The novel plug-in steel cylinder wind power base is large in base rigidity, high in anti-overturning ability and high in anti-deformation ability, because the jacket is of a transparent structure, the novel plug-in steel cylinder wind powerbase is less loaded by waves and currents, high safety is achieved, the steel cylinders are used as a basic structure, are good in the sinking ability and high in speed and adapt to various geologicalconditions, all elements are prefabricated on land and transported to the construction site for installation, the efficiency is high, and the novel plug-in steel cylinder wind power base is less affected by the weather and can be used for wind power base application under complex sea conditions.

The invention provides a simple, convenient and firm assembled limb protection fence which comprises a plurality of fence units. The fence units are sequentially connected end to end to form a protection space, each fence body comprises two uprights in vertical arrangement, two cross beams in horizontal arrangement are arranged between the uprights, a plurality of reinforcing columns in vertical arrangement are arranged on each cross beam, at least one child button is arranged on one upright, at least one mother button corresponding to the child button is arranged on the other upright, and thechild buttons and the mother buttons of each two adjacent fence units are fixed through fastening members. Through the fence, the technical problem that conventional fences cannot avoid can be solvedeffectively, the problems that on-site safety protection has a vacuum period and safety work has dead angles are solved realistically, mounting conditions and mounting ideas of the conventional fences are fundamentally overturned and changed, and safety of on-site building construction on a regular basis is ensured powerfully.

The invention provides a non-bearing type light thin-wall damping partition wall which comprises a wall board formed by an ultrahigh toughness cement-based composite material; the mortar matrix of the ultrahigh toughness cement-based composite material comprises cement, water, fine aggregate, pulverized fuel ash, silica fume, granulated blast-furnace slag and metakaolin, and the mass ratio among the components of the mortar matrix is 1: (0.27-2.2): (0-3): (0-6.9): (0-0.3): (0-0.55): (0-0.4), wherein the maximum particle size of the fine aggregate is not larger than 0.55mm, and the weights of the pulverized fuel ash, the silica fume, the granulated blast-furnace slag and the metakaolin are not equal to 0 at the same time; furthermore, chopped fiber is added into the mortar matrix, and volume dosage of the chopped fiber is 1-3% of that of the wall board; and the slump cone expansion diameter range of the mortar matrix with the chopped fiber is 60-70mm. The non-bearing type light thin-wall damping partition wall effectively replaces the traditional wall board material, and has the advantages of being high in strength, thin in thickness, fire-resistant, impervious, good in durability, low in thermal conductivity, low-carbon, energy-saving and the like.

The invention discloses arc-shaped tower pieces for tower tube sections and the tower tube sections. The arc-shaped tower pieces for the tower tube sections include main body sections and first lapping sections, the main body sections are provided with outer wall surfaces and inner wall surfaces, the outer wall surfaces are circular arc surfaces or folding surfaces, the inner wall surfaces are circular arc surfaces or folding surfaces, and the first lapping sections are arranged at two circumferential ends of the main body sections; and the multiple arc-shaped tower pieces are connected with aplurality of straight tower pieces end to end alternately through the first lapping sections to form the annular tower tube sections, the multiple tower tube sections are stacked in the up-down direction in sequence, for every two adjacent tower tube sections, the circumferential dimension of the straight tower pieces at the lower part is larger than that of the straight tower pieces at the upperpart at the same position, and the circumferential dimension of the arc-shaped tower pieces at the multiple tower tube sections is same. According to the arc-shaped tower pieces of the embodiment ofthe invention, the prefabrication is simple, the axial length of the arc-shaped tower pieces in the tower tube sections in the up-down direction is equal, and the number of molds is reduced, so that the difficulty of prefabrication is reduced.

An orthodontic separator to simultaneously separate a mesial and a distal aspect of a tooth is disclosed. The orthodontic separator comprises a first separating unit and a second separating unit adapted to be connected with each other through a connecting bar and the connecting bar is provided to prevent dislodgement of said orthodontic separator from the said tooth.

The present invention pertains to modular array arrangements comprising a carrier and at least one insert for attachment to said carrier, which at least one insert may be positioned in or on said carrier in a predetermined, fixed orientation. In addition, the present invention relates to an insert having first connecting means and at least one section adapted for the application of samples, to a method of preparing a modular array arrangement and to a method for using such modular array arrangements in a screening assay.

The invention provides an industrially constructed underground station structure. The industrially constructed underground station structure comprises a cast-in-place bottom plate, prefabricated side walls, first U-shaped cross beams, second U-shaped cross beams, top beams, first longitudinal beams, second longitudinal reversed beams, prefabricated stand columns, longitudinal anchor cables, first transverse anchor cables and second transverse anchor cables. Only the side walls, the U-shaped cross beams and the stand columns with square outlines need to be prefabricated, components with various lengths can be prefabricated by adjusting the relative positions of end molds so as to meet the requirement of the complex industrially constructed underground station structure of urban rail transit in mountainous areas, the mold cost is low, the prefabrication and installation industry is simple, and additionally, transverse tensioning and longitudinal tensioning of the anchor cables are adopted, so that all the prefabricated components are integrally connected, the integrity of the station structure is guaranteed, the anchor cables further have the function of bearing the later load of a station, the anchor cables are integral connecting components and bearing components of the later load of the structure, and the performance of the anchor cables is brought into full play.

The invention relates to a novel block, in particular to a vertical greening block. The vertical greening block comprises a main body part and a planting container. The cross section of the main bodypart is in the shape of two concentrically squares, and the middle is provided with a cavity. The planting container is arranged at the lower part of the main body part and is in the shape of a chamfered table, a cavity is arranged inside, the section of the inner cavity of the planting container adapts to the section of the inner cavity of the main body part in size, and the two together form a planting cavity. The bottom surface of the planting container is provided with a plurality of water leakage holes. The front and the back of the main body part are provided with grooves. The four corners of the upper end face of the main body part are provided with through holes. The greening block integrates a building component with a vertical greening planting container, and has the advantages of simple structure, easy prefabrication, compact block, high strength, good durability, reusability, construction convenience, wide application range, low cost and good vertical greening effect. A vertical greening wall can be used as an independent green wall or attached to other walls for vertical greening, not only the environment is beautified, but also the air is purified.