193results about How to "On-site construction is simple" patented technology

The invention discloses a shared parking spot parking management system and method for controlling intelligent parking locks online. The system comprises an intelligent parking lock (containing a first NB-IoT DTU module, a geomagnetic sensor, a controller and a motor), a parking management cloud platform, and a mobile client. According to the method, the intelligent parking lock is connected to the parking management cloud platform by using the narrow band Internet of things NB-IoT technology, and the state information of the intelligent parking lock can be acquired and the intelligent parkinglock can be controlled online. The NB-IoT technology has the characteristics of low power consumption, low traffic, wide laying range, remote control, convenience and reliability, and the like, and facilitates the realization of parking spot sharing. The system and the method overcome the problem that the existing intelligent parking lock depends on close-range Bluetooth or ultrasonic control andthe system cannot acquire the real-time state of the parking lock, can only control the parking lock offline and cannot manage the parking lock remotely. A good solution is provided for solving the difficulty of parking in cities through shared parking spots. The system and the method are convenient to implement, and have good economic benefit and application prospect.

The invention discloses a prefabricated and light floor cover plate and an industrialized building house floor plate structure. The prefabricated and light floor cover plate comprises a facing layer, light packing layers where light packing blocks on the back face of the facing layer are arranged and bonding piece for fixing the facing layer and the light packing layers in a locating mode, steel reinforcement framework sheets are arranged between the light packing blocks, steel reinforcement meshes are laid at the backs of the light packing layers, and concrete structure layers are poured at the backs of the light packing layers and extend to gaps between the light packing layers to enable the facing layer, the steel reinforcement meshes, the steel reinforcement framework sheets and the light packing layers to be bonded to form a whole. The industrialized building house floor plate structure comprises a plurality of prefabricated and light floor cover plates transversely and fixedly arranged on a supporting beam, prefabricated lower sunk grooves, prefabricated balcony assemblies and cast-in-place concrete connecting pieces. The industrialized building house floor plate structure is simple in construction process and has the advantages of being light in weight, high in anti-shocking capacity, safe and the like.

The invention discloses a connecting node of an assembled whole thick prefabricated slab. Connecting steel bars are reserved on the connecting surface of a prefabricated slab unit in the mode, the exposed parts of the connecting steel bars are ' '-shaped, and the exposed parts and the connecting surface form a closed polygon. In the connecting mode for the prefabricated slab unit and a beam or a wall, the connecting steel bars of the prefabricated slab unit are inserted with steel bars configured for the beam or the wall together at the connecting positions in a penetrating mode. Viewing from the cross section of the whole connecting node, the connecting steel bars and the steel bars configured for the beam or the wall form a single closed stirrup or a composite stirrup, and longitudinal bolt steel bars penetrate into the inner corner position of the single closed stirrup or the composite stirrup. The connecting node of the whole thick prefabricated slab unit can achieve the equivalent performance as a prefabricated slab connecting nodes and a cast-in-place concrete structure while achieving higher prefabrication rate and assembly rate. The invention further provides the whole thick prefabricated slab unit for achieving the connecting mode.

The invention relates to a concrete repairing material suitable for an ocean environment and a preparation method thereof. The repairing material is prepared from the following components in parts bymass: 100 to 230 parts of portland cement, 20 to 47 parts of aluminate cement, 10 to 25 parts of dihydrate gypsum, 0 to 110 parts of mineral powder, 3.0 to 4.5 parts of water reducer, 0 to 2 parts ofearly strength agent, 0.01 to 0.02 part of air entraining agent, 5 to 20 parts of polyester fiber, 0.10 to 0.15 part of antifoaming agent and 300 to 500 parts of quartz. ,According to the invention, the portland cement is complexed with the aluminate cement, so that the early strength and later strength are ensured, resistance of mortar to chlorine salt, sulfate and magnesium salt in the ocean environment is enhanced. The concrete repairing material is suitable for ocean-eroded concrete repairing engineering, is large in market space, and is high in practicability.

The invention discloses a cement-based rapid repair material with high early strength, wherein the cement-based rapid repair material is prepared from the following raw materials by mass: 500-650 parts sulphoaluminate cement, 200-400 parts of ordinary Portland cement, 800-900 parts of quartz sand, 4.5-9.0 parts of nanometer silicon dioxide, 0.25-0.6 part of a dispersing agent, 1.1-10.8 part of a water reducing agent, 0.045-0.160 part of a retarder, 0.10-0.25 part of a defoaming agent and 315-360 parts of water. The invention further provides a preparation method of the cement-based rapid repair material with improved early strength. According to the invention, the field preparation is convenient and easy, sulphoaluminate cement and Portland cement are compounded so as to ensure the early strength and the later strength, the microstructure of the composite repair system is obviously improved through the nanometer material, the early mechanical property of the cement-based material is remarkably improved, the driving quality and the driving safety of the repaired pavement are ensured, the repair cost is low, and the practicability is high.

The invention relates to the technical field of oil filed fracturing, and specifically relates to an anionic clean fracturing liquid, which is composed of 0.5 to 10% of anionic surfactant, 5 to 20% of counter-ion salts, and the balance being water. The provided clean fracturing liquid preserves all advantages of conventional clean fracturing liquids. The species of additives can be reduced and the requirements on liquid blending equipment can be lowered by using the clean fracturing liquid. The fracturing liquid can be used in oil fields with a high mineralization degree. The gel breaking time can be well controlled by using a gel breaker and the cost is reduced.

The invention relates to a ship shafting integral tail pipe alignment positioning structure and positioning method. An adjusting bracket and adjusting bolts are arranged at each of the front and rear ends of a ship shafting tail pipe; each adjusting bracket is L-shaped, and one end of the adjusting bracket is transversely welded and fixed onto one corresponding fixing base; two pairs of the adjusting bolts are respectively arranged at the front and rear ends, perpendicularly penetrate through two side surfaces of the respective adjusting brackets, and are respectively propped against the ship shafting tail pipe axially and radially, so as to adjust the axial and radial positions of the ship shafting tail pipe; after positioning is finished, an epoxy cushion block is cast between the ship shafting tail pipe and the fixing bases; the adjusting brackets are disassembled, the exposed parts of the adjusting bolts are cut off, and sealing treatment is performed; the fixing base at the front part of the ship shafting tail pipe is a bearing steel casting, and the fixing base at the rear part of the ship shafting tail pipe is a sternpost. Through adoption of the structure and method provided by the invention, alignment positioning is performed on the ship shafting tail pipe in a three-dimensional space, so as to greatly improve the mounting accuracy; the adjusting bolts are not in contact with an epoxy medium, and bubbles and the like are unlikely to generate on the contact surfaces, so that the quality of epoxy casting can be effectively improved.

The invention discloses a novel steel structure building system comprising a steel pipe concrete column, a steel main beam, an auxiliary beam, a floor and a wall surface, wherein the floor is an assembled steel bar truss floor support plate, and the auxiliary beam is a precast concrete auxiliary beam; the wall surface is a CCA board and aerated concrete composite lath, the composite lath comprises an upper layer, a core layer and a lower layer, the upper layer and the lower layer are CCA boards, the core layer is an aerated concrete layer, the core layer is covered on the lower layer, and the upper layer is covered on the core layer. The novel steel structure building system disclosed by the invention is accurate in stress, simple in member connection, convenient and quick in construction, convenient for industrial production, beneficial for reducing the environmental pollution and improve the living environment, and good in economical efficiency.

The invention discloses an assembly type bathroom and an installing method thereof. The assembly type bathroom comprises bases arranged on the ground, a bottom keel arranged around the bases, a wall face structure arranged on the bottom keel, a top keel arranged on the wall face structure, and a top panel fixedly arranged on the top keel. The bases of the bathroom are the independent dry area base and wet area base, installation and transport are convenient, and a wall face and a ceiling are fixedly installed through the keels. The assembly type bathroom is simple in structure, modular and standardized production of a factory is achieved, water resistance and reliability are achieved, quality is stable, site construction is simple and fast, and assembly type decoration is facilitated to be developed better.

The invention relates to a formula of water dispersing compounding sand consolidation agent. It is made up from modified phenol-formaldehyde resin 5-8%, organic silicon resin 0.02-0.25%, furfural compounding 5-15%, alcohol compounding 0.5-5%, phosphoric acid series compounding 0.05-0.15% and water 89.43-81.6%. The benefit is that the sand consolidation agent has low viscosity, low usage quantity, low cost, etc.

The invention discloses a cover plate type fiber bragg grating sensor and a packaging method thereof. The cover plate type fiber bragg grating sensor comprises a grating and a protection sleeve, wherein a wire jumper and tensile fibers are fixed in the protection sleeve. One end of the protection sleeve is fixedly connected with a flange interface, and the other end of the protection sleeve is fixedly connected with a temperature sensing box. The grating is packaged in the temperature sensing box, the wire jumper and the grating are connected with each other in the temperature sensing box. The packaging method of the cover plate type fiber bragg grating sensor includes preparing the sleeve, painting temperature-resistant AB glue, welding the wire jumper and the grating in fusion mode, leading the wire jumper to penetrate through the protection sleeve, fixing one end of the wire jumper not provided with the grating with the flange interface, arranging the grating at the central position of a sensing protection groove, and buckling a packaging cover plate on the sensing protection groove. Compared with the prior art, the cover plate type fiber bragg grating sensor is good in mechanical performance, sensor performance, insulation performance and firmness, and improves sensor firmness, data collection accuracy and data collection speed. The packaging method of the cover plate type fiber bragg grating sensor greatly improves production efficiency and production survival rate, simultaneously improves sensor firmness and enables the sensor not to split or fall easily.

The invention provides a heavy metal pollution soil restoration agent, and relates to a soil restoration agent. The restoration agent comprises a pretreatment curing ingredient and an excitation curing ingredient, wherein the pretreatment curing ingredient comprises modified expanded vermiculite; the excitation curing ingredient comprises 4 to 18 percent of slaked lime, 4 to 10 percent of chitosan, 16 to 34 percent of water glass and 45 to 60 percent of fly ash. The heavy metal pollution soil restoration agent and the use method have the advantages that the efficient curing of soil heavy metal can be realized; the soil heavy metal pollution problem is solved; in addition, the high acidity or high alkality and secondary pollution can be effectively avoided; the uniformity of environment benefits and social benefits is realized.

The invention discloses an assembled board-column structure floor slab, a dividing method thereof, and floor slab unit components. The assembled board-column structure floor slab comprises the multiple prefabricated floor slab unit components comprising adjacent column connection board belts, or the assembled board-column structure floor slab comprises the multiple prefabricated floor slab unit components comprising the adjacent column connection board belts, and the multiple conventional prefabricated floor slab unit components. The adjacent column connection board belts in the prefabricated floor slab unit components comprising the adjacent column connection board belts are long-strip-shaped belt boards integrally stretching across every two adjacent columns. The connection line of section centroids of the two adjacent structure columns connected through each adjacent column connection board belt serves as a reference line of the adjacent column connection board belt, and the width of each adjacent column connection board belt is larger than or equal to the longest side length of the connection sides of the two adjacent structure columns connected through the adjacent column connection board belt. The adjacent column connection board belts are provided with direct-through bottom reinforcing bars in the span direction. By the adoption of the technical scheme, cost can be reduced, construction is convenient, and safety and reliability of the board-column structure of the prefabricated floor slab can be improved at the same time.

The invention discloses a prefabricated prestress concrete frame beam-column joint with additionally-arranged steel bars and sleeves. The prefabricated prestress concrete frame beam-column joint comprises a beam-column joint post-cast area, prefabricated concrete beams arranged on the horizontal two ends of the beam-column joint post-cast area, prefabricated concrete columns arranged at the upperend and the lower end of the beam-column joint post-cast area, and a superposed beam cast-in-situ area arranged above the prefabricated concrete beams and the beam-column joint post-cast area. Anti-seismic steel bars and the additionally-arranged steel bars are horizontally arranged on the lower portion of the beam-column joint post-cast area, the anti-seismic steel bars and stirrups in the beam-column joint post-cast area are connected, and the superposed beam cast-in-situ area and the beam-column joint post-cast area are cast into a whole. Longitudinal ordinary stress steel bars on the lowerside and the anti-seismic steel bars are connected through sleeves, and the additionally-arranged steel bars extend into bar inserting holes of the ends of the prefabricated concrete beams. Accordingto the prefabricated prestress concrete frame beam-column joint, the on-site construction difficulty is reduced, the size of a beam section and the steel using quantity are reduced, and the development and rotation performance of beam end plastic hinges and the anti-seismic performance such as integrity and ductility of the beam-column joint are ensured.

The invention discloses a fixing method of an explosion vibration testing geophone. An employed fixing pedestal is a T-shaped conical pedestal formed by combining an iron plate (2) with an iron cone (1). Before a three-dimensional geophone (4) is installed and fixed at a field, first of all, the iron cone (1) of the T-shaped conical pedestal is hammered into the ground deep into a soil layer or a weathering layer by use of a hammer, and the iron plate (2) is adjusted to be flush with the ground; and slurry-form gypsum blended by adding water is poured to the iron plate (2) to form a gypsum layer (3), then the lower-portion pedestal of the three-dimensional geophone (4) is placed on the gypsum layer (3), a horizontal bubble at the top of the three-dimensional geophone (4) is adjusted to be at a center position, the X direction of the three-dimensional geophone (4) is oriented towards the center of an explosion area, and after the gypsum layer (3) is solidified, a special-purpose connecting line is used for connecting a monitor with the three-dimensional geophone (4). According to the invention, the employed iron cone (1) at the lower portion of the T-shaped conical pedestal can be deep into the ground according to the thickness of the weathering layer or the soil layer to be connected integrally with the ground, and explosion vibration detected on the pedestal can reflect real vibration intensity of a building at a certain place.

The invention relates to a superimposed fabricated pipe gallery structure system component industrialization construction device and method. The superimposed fabricated pipe gallery structure system component industrialization construction device comprises a production intelligent management system. The superimposed fabricated pipe gallery structure system component industrialization constructionmethod comprises the steps that a, edge formworks are manufactured, pre-buried components are mounted on manufactured steel reinforcement frameworks, and the steel reinforcement frameworks and the edge formworks are subjected to formwork assembly operation on a formwork table; b, by adopting a distribution machine, concrete is poured onto the steel reinforcement frameworks and the edge formworks which are subjected to formwork assembly, and vibrated, and thus concrete components are obtained; c, the concrete components are cured in a curing kiln through steam; d, single sided boards loaded with superimposed-type double-layer boards are superimposed and sent to the curing kiln for secondary curing; e, the components are subjected to formwork release and stored on a component stacking field,and in the storing process, the superimposed-type single-layer boards and the superimposed-type double-layer boards are subjected to water spraying curing through a spraying system; and f, the components are conveyed to a site to be assembled and mounted. According to the superimposed fabricated pipe gallery structure system component industrialization construction device and method, on-site construction is easy, energy saving and environmental friendliness are achieved, long-time exposure of a foundation pit is reduced, the influence of weather on construction is small, and pollution emission and cost are reduced.

The invention relates to the field of building underground engineering, in particular to a reversed construction method for a suspension-type containment deep, large and long foundation pit fabricated structure. The method includes the several steps of (1) design calculation, (2) foundation pit engineering construction, (3) underwater control, (4) foundation pit bracing construction, (5) establishment of a basement reinforcement impermeable layer, (6) reversed construction and (7) floor slab structural construction. According to the reversed construction method for the suspension-type containment deep, large and long foundation pit fabricated structure, construction quality of a foundation pit can be controlled easily, the waterproof effect of a basement is good and can be monitored easily, and quality control, overhaul and maintenance are made easy.