2768results about How to "Simplify the construction process" patented technology

The invention discloses an assembled integral building and a construction method thereof. The assembled integral building comprises a reinforced concrete wall and floor slabs, wherein the reinforced concrete wall is formed by hoisting and assembling prefabricated composite insulating wallboards integrally at a construction site; a board body of each prefabricated composite insulating wallboard comprises a structure layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; steel meshes are arranged in the concrete of the protective layer; the structural layer, the insulating layer and the protective layer are anchored together by inserting connecting members in a dotted distribution; the left and right edges of the protective layer and the insulating layer protrude out of the structural layer; a lower edge of the protective layer extends downward to form a bulged opening; the top parts of the protective layer and the insulating layer upward protrude out of the structural layer; and an upper edge of the protective layer is provided with a notch which corresponds to the bulged opening of the prefabricated composite insulating wallboard adjacent to an upper layer. The building overcomes the defects of erecting shuttering on site, binding steel bars and concreting in a traditional construction method, speeds up the construction, and lowers the construction cost; and the construction quality of the building structure can be sufficiently guaranteed.

The invention discloses an assembled integral shear wall structure system and a construction method thereof. Prefabricated composite wallboards are hoisted and assembled integrally at a construction site; a board body of the prefabricated composite wallboards comprises a structural layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; the insulating layer is an extruded polystyrene foam plastic board; steel meshes are arranged in the concrete of the protective layer; and anchor bolts in a dotted distribution are connected among the structural layer, the insulating layer and the protective layer. Vertical seams and horizontal seams of prefabricated composite walls adopt structural self-waterproofing, so that common quality problems such as leakage and cracks and the like in a traditional process are solved. The prefabricated composite walls simplify construction processes, speed up the construction, and lower the construction cost. Furthermore, products prefabricated in a factory have uniform specifications and unified quality, so that the construction quality of a building construction can be sufficiently guaranteed; the industrialization, standardization, and generalization of the building walls are realized; and the products can be widely applicable to the construction of reinforced concrete buildings in the construction industry.

The invention discloses a water-based baking paint for a glass substrate and a preparation method and the application thereof; the formula of the water-based glass baking paint comprises the following components in parts by weight: 45 to 63 percent of water-soluble acrylic resin, 5 to 7 percent of methylated amino resin, 5 to 15 percent of water-based paste, 1.2 to 1.5 percent of coupling agent, 2 to 5 percent of additive and 25 to 30 percent of deionized water. When the baking paint is prepared, first the water-soluble acrylic resin, defoamer, wetting agent, leveling agent, dispersant and some water are sequentially added into a stirring tank to be stirred, is added with the water-based slurry and the like to be stirred and dispersed at high speed; and finally the methylated amino resin, the coupling agent and the rest water are sequentially added in to be stirred into a uniform coating system. The invention also provides a use method of the glass baking paint. When being applied to ground glass, hard glass and other substrates, the coating has the advantages of simple preparation process, convenient construction, strong coating adhesion, high hardness, water resistance, good heat resistance and the like.

The invention relates to an assembled reinforced-concrete framework beam-column joint adopting vertical bolt connection. The joint comprises a corbel of a precast column and a precast beam, wherein the end face of the corbel and the end face of the precast beam are respectively provided with a concave groove and a convex block which are matched with each other and are respectively provided with a vertical corbel bolt hole and a vertical precast beam bolt hole; and the corbel is matched with the precast beam along the length direction of the precast beam in an embedded fixing manner, bolt cushion plates are arranged at the upper and lower sides of the corbel and the precast beam after the corbel and the precast beam are fixed in an embedding manner, and a bolt vertically penetrates through the bolt cushion plates, the corbel bolt hole and the precast beam bolt hole so as to carry out fixing. A corresponding construction method comprises the steps of precasting, mounting and filling mortar in gaps. The joint and the corresponding construction method have the advantages that the smoothness of force transmission between the precast beam and the precast column is achieved, the joint is reliable in connection and simple in structure, the construction process is simplified, the on-site assembling time is saved, and the production efficiency can be effectively increased.

The invention discloses process method and equipment for heading and anchoring parallel operation construction. According to the process, a heading face is divided into a heading machine operation area and an anchoring support area, wherein the heading machine operation area ranges from a heading head to a heading machine tail, a heading machine post-anchoring operation range serves as the anchoring support area, the heading machine operation area and the anchoring support area are collectively called as a temporary support area, temporary support is carried out in the temporary support area by adopting folding telescopic laneway hydraulic support frames, and heading machine cutting and permanent support are parallelly operated; when the heading machine cutting and anchoring support are completed for one step pitch, the hydraulic support frames positioned on the tail ends of the temporary support area are withdrawn and carried to the heading head through an auxiliary support frame lifting and carrying device, and the hydraulic support frames are lifted to complete the temporary support so as to be subjected to heading and anchoring parallel operation in a next cycle. The heading and anchoring parallel operation construction comprises a heading machine, a plurality of laneway hydraulic support frames, the auxiliary support frame lifting and carrying device, an anchoring support operation platform, a machine back transportation system and a machine tracking ventilating dustproof facility.

The invention provides a vibroacoustic railway bridge healthiness monitoring apparatus, system and method. The monitoring apparatus comprises a sound collecting device and a communication treatment device, wherein the sound collecting device is used for collecting a sound spectrum generated in the vibration impact of a rail bridge by a wheel excitation source, and the communication treatment device is used for transmitting the sound spectrum; and the bridge healthiness monitoring system comprises the monitoring device and a cloud calculating server, and the sound collecting device is used for collecting the sound spectrum generated in the vibration impact of a rail bridge by the wheel excitation source and sending a signal to the cloud calculating server in real time. The cloud calculating server is used for storing and analyzing the sound spectrum; and the bridge healthiness monitoring method statistically analyzes the deformation of a bridge structure by using the transmission spectrum characteristics of sounds in the bridge structure on the basis of a sound monitoring and fault diagnosing technology and evaluates the bridge healthiness condition. The apparatus, the system and the method have the advantages of simplification of onsite bridge monitoring devices, engineering cost saving, and reduction of the maintenance workload of an online monitoring system through intensive management.

The present invention provides an optical information reading apparatus capable of producing uniform and bright illumination light and of projecting the illumination light onto an appropriate position on an object of reading at all times. In the apparatus, a light-receiving optical system including a light-receiving sensor and an image formation lens is provided and illumination optical systems each including an LED and an illumination lens device are placed on both sides of the image formation lens. The illumination optical systems are integrally connected to each other through a connecting portion to form a lens-connected assembly. In an incident surface of the illumination lens device, a plurality of convex lens tiers and a plurality of concave lens tiers are alternately made smoothly to form a multi-tiered lens surface, and an output surface thereof is made into a gentle cylindrical configuration to form a rod-like lens surface.

The invention discloses an external insulation system and a construction method of a straight compressing EPS inorganic composite plate. The external wall firstly pre-produces the straight compressing EPS inorganic composite plate or a straight compressing EPS inorganic composite decorative board in a factory and compresses an inorganic composite enhancement layer onto a single-side of an expanded EPS plate by using a mechanical method; the outer surfaces of a base course wall of a building all adopt the EPS inorganic composite plate which adheres to a leveling blanket through bonding sands; the slab joint is pointed by jointing material and the outside of the jointing material is sealed again by weather proofing sealant; and a finish is arranged at the lateral of the system. The invention is characterized by the anti-crack, the good durability, the reliability and safety, the low cost and the fast construction.

The invention discloses salt-spray-resistant and anti-aging water-based paint and a preparation method thereof. The salt-spray-resistant and anti-aging water-based paint is prepared from components in percentage by weight as follows: 40%-60% of a water-based epoxy ester emulsion, 8%-20% of an anti-rust pigment, 1%-5% of a coalescing agent, 4%-20% of filler, 0.5%-2% of a dispersant, 0.5%-2% of a defoaming agent, 0.3%-0.6% of an anti-settling agent, 0.1%-2% of an anti-rust agent, 0.5%-2% of a flash-rust inhibitor, 0.1%-2% of a wetting agent, 0.1%-0.5% of a mildew preventive, 0.1%-2% of a thickening agent, 0.1%-0.3% of a pH conditioning agent and 1%-20% of deionized water. The water-based paint can resist neutral salt spray for 550 H and resist QUV aging for 600 H, has the advantages of high water resistance, good storage stability, contamination resistance, fast drying, safety, environment-friendliness, simple preparation process and the like, is environment-friendly, accords with the environmental protection development trend and is suitable for industrial production.

The invention discloses a tubal curtain advanced support constructing method for a deep mine roadway of a coal mine passing through a fault fracture zone. The method comprises the following steps: A, constructing an initial workshop and a receiving workshop at two ends of the fault fracture zone respectively; B, reinforcing roadways of the initial workshop and the receiving workshop by adopting astepwise combined support scheme; C, reinforcing by adopting advanced grouting according to the lithologic fracture condition of the opening; D, jacking steel tubes to the receiving workshop through the fault fracture zone from the initial workshop sequentially according to round or elliptical fracture surfaces by utilizing a soft rock tube push bench; E, in a process of jacking the steel tube, injecting a drag-reducing and lubricating material through an annular grouting system which is preset in the tube, and injecting plain concrete in the steel tube to form a tubal curtain protector; and F, performing subsequent excavation support on the roadway in the tubal curtain body after the concrete in the tube reaches a designing age. The method is simple, safe and reliable, has remarkable effect for safe excavation on a roadway with fracture densely distributed zone which has high stress, is soft to fracture and developed in fissure water.

The invention relates to a long spiral double-pipe high-pressure stir-jet grouting pile construction method and a long spiral double-pipe high-pressure stir-jet grouting pile construction device. The method comprises the following steps of: according to the design requirements, determining the position of each pile, and drilling while jetting water at the high speed to form a slurry retaining wall, or jetting cement slurry when necessary; or directly drilling; and lifting the drill by adopting jet grouting, directional jet grouting or swing-jet grouting technology to perform stir-jet grouting until a pile is formed. The long spiral double-pipe high-pressure stir-jet grouting pile device comprises a hollow drill stem, a high-pressure slurry conveying pipe, a high-pressure water pipe, a stirring blade, a double-pipe jet grouting stirring drill, a double-pipe rotary grouting joint, a cement slurry conveying pipe, a high-pressure water conveying pipe, a high-pressure cement grouting pump, a high-pressure water pump and the like. Compared with the conventional stirring pile and stir-jet grouting pile, the long spiral double-pipe high-pressure stir-jetting pile device is suitable for not only mollisol, loose or slightly compact sandy soil, but also various soil layers, such as stiff clay, sandy gravel, muck and the like, and particularly has more obvious effect in the sandy gravel.

The invention discloses a composite casing box cofferdam and a construction method thereof. A double-wall steel cofferdam which consists of an inner wall and an outer wall which are connected is arranged on bedrock, positioned and fixed; mad and sand between the inner wall and the outer wall of the cofferdam are cleared; a bed rock hole is drilled on the bedrock between the inner wall and the outer wall of the cofferdam; steel reinforcement cages are arranged in the bedrock hole and between the inner wall and the outer wall of the cofferdam; bottom sealing concrete is poured into the bedrock hole and between the inner wall and the outer wall of the cofferdam, to construct the composite casing box cofferdam. The invention has the advantages of convenient construction, material saving, stable structure and high positioning precision.

The invention discloses a circulating fluidized bed boiler ash cement-based self-leveling material, which is characterized by comprising the following components in percentage by weight: 10-70 percent of circulating fluidized bed boiler ash or/and cycled fluidized bed ash, 0-30 percent of silicate cement, 0-20 percent of aluminate cement or sulphoaluminate cement, 0-22 percent of inorganic filler, 0-3.5 percent of redispersible emulsion powder, 0-0.25 percent of early strength agent, 0-0.09 percent of water retention agent, 0-0.15 percent of defoaming agent, 0-1.0 percent of water reducing agent, 0-0.25 percent of inhibiting agent and 0-50 percent of sand. The cement-based self-leveling material is prepared by taking circulating fluidized bed boiler ash or/and cycled fluidized bed ash and the like as raw materials, so that circulating fluidized bed boiler ash or residues discharged by a circulating fluidized bed can be fully utilized, the waste of land resources and the pollution to the natural environment caused by open-air piling of fluidized bed boiler ash or residues are reduced, and the cost of the self-leveling material is reduced; and the prepared cement-based self-leveling material has the characteristics of high strength, high flowability, low contraction distortion and the like.

The invention discloses a full-anchor partition pressure transferring grouting anchor rod and an application method thereof. The anchor rod comprises a hollow anchor rod body, an anchor rod tray and a lockset nut. The hollow anchor rod body is cut into long section bodies, and rod body pressure transferring devices which are connected together through hollow connecting bolts, wherein one hollow connecting bolt is arranged between every two adjacent long section bodies. Each rod body pressure transferring device comprises a sleeve, wherein a pressure transferring grouting pipe section is sleeved with the sleeve, a flat type pressure sensor and a compression spring abutting against a blocking nut are arranged inside the sleeve in sequence, and all flat type pressure sensors are connected with a partition grouting indicator through wires. According to the full-anchor partition pressure transferring grouting anchor rod, automatic multi-point pressure transferring can be carried out on a plurality of fracture partitions of a deep surrounding rock, the non-coordination deformation breakdown pressure inside the surrounding rock can be effectively released, the anchor rod body can be prevented from being pulled broken and being out of operation, the optimal grouting time points of surrounding rock fracture partitions can be accurately grasped, independent grouting reinforcement is carried out on all fracture partitions timely in a targeted mode, and the stability of the deep roadway partition fracture surrounding rock is effectively improved.

The invention discloses an anchoring structure for a liquid-injection corrosion-resistant anchor rod or anchor cable and a construction method thereof. The anchoring structure comprises a resin end-anchored anchor rod or anchor cable body arranged in an anchor hole, wherein a grouting-stop plug is also arranged at the opening of the anchor hole; an anchor rod head or an anchor cable head is exposed out of the anchor hole from the plug hole of the grouting-stop plug; the grouting-stop plug is also provided with two plug holes; a liquid injection nozzle is inserted into one plug hole and chemical grout is filled into the anchor hole through the liquid injection nozzle; an exhaust pipe with two open ends is inserted into the other plug hole; a check-valve ball and a return spring are arranged in the liquid injection nozzle; a locking slot connected with grouting equipment is reserved on the peripheral surface of the liquid injection nozzle; the length of the exhaust pipe is equivalent to that of the end-anchored anchor rod or anchor cable; and exhaust holes are reserved on the peripheral surface of the exhaust pipe close to the bottom of a drilled hole. The anchoring structure solves the problem of sealing water and preventing corrosion of anchor rod holes at the positions such as an arch part and the like, not only can serve as permanent support, but also can serve as temporary support.

The invention relates to a precast concrete wallboard and a preparation method thereof. A wall body has a structural layer and a protection layer from inside to outside, wherein the structural layer is internally provided with a reinforcement cage, and a reinforcement fabric is arranged in the concrete of the protection layer; the protection layer is connected with the structural layer through a transverse connecting reinforcement connected to the reinforcement fabric; the left edge and the right edge of the protection layer protrude out of the structural layer; the lower edge of the protection layer downwards extends out of a protruded port; and the top of the protection layer upwards protrudes out of the structural layer; the upper edge of the protection layer has a dent corresponding to the protruded port of the adjacent precast concrete wallboard on the upper layer; and the two ends of a transverse bar of the reinforcement cage protrudes out of the left side surface and the right side surface of the structural layer of the wall body and form two rows of transverse steel ties bending inwards. The wallboard has the advantages that the construction process is simplified, the construction speed is accelerated, and the construction cost is reduced. Meanwhile, products precast by a factory have uniform specification and quality, and thus, the construction quality of a building structure can be guaranteed sufficiently. The precast concrete wallboard can be widely applied to construction of concrete steel buildings in building industry.

The invention discloses a cement concrete pavement curing agent and a preparation method thereof and belongs to the related field of asphalt road maintenance and repairing. The curing agent comprises the following components in percentage by weight: 15 to 40 of refined asphalt, 10 to 30 percent of coal asphalt, 10 to 20 of epoxy resin, 20 to 40 percent of modifier, 3 to 15 percent of diluent, 0.5 to 3 percent of aids, 3 to 10 percent of curing agent, and 10 to 30 percent of aggregate. The preparation method comprises the following steps of: shearing the refined asphalt, the coal asphalt, the epoxy resin, the modifier, the diluent, and the aids at the high speed at the temperature of between 100 and 120 DEG C for 60 to 90 minutes to form base stock A; and adding a curing agent (B) and aggregate (C) into the stock A, and uniformly stirring at normal temperature to obtain the curing agent. The curing agent has a simple preparation process, low equipment requirements, low using cost, and strong cement concrete seepage force, can be integrated with a pavement, and has the advantages of improving road appearance, sealing a road surface, prolonging the service life of a road and the like.

The invention discloses a soft and weak wall rock tunnel advance reinforced support construction method. When a pipe roof advance support construction is carried out on one segment of the constructed tunnel, the construction method comprises the following steps: (1) support arch and guide pipe construction, wherein a plurality of guide tubes for carrying out guiding on a plurality of pipe roof pipes are arranged on a support arch; each pipe roof pipe comprises a pipe body and a drill bit; each pipe body is formed by splicing a plurality of pipe joints; each drill bit is coaxially arranged at the front end of the pipe body; the pipe joints are spiral steel pipes; the pipe roof pipes are first pipe roof pipes or second pipe roof pipes; and the first pipe roof pipes and the second pipe roof pipes are staggered; (2) drilling machine and slip casting machine installation and emplacement; (3) pipe roof advance support construction, which comprises the following processes: first pipe roof pipe drilling and synchronous grouting construction, final hole grouting construction of the first pipe roof pipes, second pipe roof pipe drilling and synchronous grouting construction and final hole grouting construction of the second pipe roof pipes. The method disclosed by the invention is simple in steps, reasonable in design, simple and convenient to construct and good in support effect; and the soft and weak wall rock tunnel advance reinforced support process can be simply, conveniently and quickly finished.

The invention discloses a water-rich weak surrounding rock long-and-big tunnel construction method. The method includes that a tunnel inclined shaft is arranged on one side of a main tunnel of a tunnel to be constructed, the main tunnel is divided into a tunnel entry section, a tunnel exit section and a middle connecting section connected between the tunnel entry section and the tunnel exit section, the middle connecting section is divided into an inclined shaft assisting construction entry section and an inclined shaft assisting construction exit section, and each of the tunnel entry section, the tunnel exit section, the inclined shaft assisting construction entry section and the inclined shaft assisting construction exit section is divided into multiple sections for construction. A construction method of each section includes: step 1, performing geological forecasting in advance, and when a debris flow formation exists ahead, entering a step 2, or else, entering a step 3; step 2, performing stability control construction; step 3, determining a primary supporting scheme; step 4, excavating the tunnel, and performing primary supporting construction; step 5, performing secondary lining construction on the tunnel. The water-rich weak surrounding rock long-big tunnel construction method is simple in step, reasonable in design, simple and convenient to construct, good in using effect, capable of meeting construction requirements of water-rich weak surrounding rock long-and-big tunnels, short in construction period and safe in construction process.