697results about How to "Prevent water seepage" patented technology

The invention discloses asphalt pavement conditioning curing agent and a preparation process. The formulation comprises the following components with percentage by weight, 10-15% refined asphalt, 23-50% organic solution, 3-23% surface modifier, 2-10% functional auxiliary agent and 5-25% regenerative agent. The preparation process comprises conducting reasonable proportioning for refined asphalt, organic solution and regenerative agent, surface modifier and functional auxiliary agent, putting into a stirred tank in turn, starting a stirrer to stir continuously, stirring for 0.5-4h in condensation reflux under the temperature of 60-150 DEG C, and then cooling down to ambient temperature, finally obtaining the product of asphalt pavement conditioning curing agent when the mixture is completely cooled down. The curing agent has simple making art, low device requirement, low usage cost and simple construction technology, which can significant increase penetration degree, softening point and ductility of aging asphalt, beautifies the appearance of asphalt pavement, improves the quality of pavement, increases the cling ability of the pavement, and prolongs the service life of the pavement.

The invention belongs to the technical field of shield tunnel engineering and particularly relates to a shield tunnel portal sealing device and a shield tunnel portal sealing method. The shield tunnel portal sealing device comprises a lined wall, an embedded steel ring is arranged on the lined wall, a sealing box is arranged on the embedded steel ring and comprises a sealing steel ring, a fixing plate, a fold type support plate and two waterproof structures, a plurality of grease injecting holes are evenly circumferentially reserved in the sealing steel ring between the two waterproof structures, each waterproof structure comprises a steel wire brush and a cord fabric rubber plate, the cord fabric rubber plates are arranged on one side close to the embedded steel ring, and grouting holes are reserved in the lined wall and in the sealing steel ring on the inner sides of the cord fabric rubber plates. The shield tunnel portal sealing device has the advantages that the cord fabric rubber plates are primarily used for sealing to prevent a major part of water and soil from pouring out, so that 'pouring prevention' is achieved; water penetration is prevented as the steel wire brushes secondarily achieve seamless contact with a shield tunneling machine shell or duct pieces; and the grouting holes reserved in the lined wall and the sealing steel ring can achieve grouting sealing timely in emergencies.

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.

The invention discloses a submersed type inspection well which comprises a well cover above the ground as well as a shaft and a well body structure below the well cover, wherein the traditional drainage pipe is arranged below the shaft, a foundation is arranged between the lower end of the shaft and the drainage pipe, and the lower end of the shaft, the upper end of the foundation and the pipe arepoured into a whole; the diameter of the foundation is larger than the outer diameter of the shaft, and the bottom end of the foundation is located below the sheath of the traditional drainage pipe;and the bottom end of the foundation is inwards extended below the traditional drainage pipe. The invention also discloses a construction method for realizing the inspection well, which comprises thefollowing construction stages: (1) placing the inspection well; (2) submersing, joining and measuring the shaft; (3) manufacturing the foundation of the inspection well and communicating the shaft with the traditional drainage pipe; and (4) mounting a shaft cover plate and a ladder. By adopting the structure and the method of the invention, the inspection well is conveniently manufactured by adopting a submersed type construction method so as to be beneficial to carrying out long-distance jacking pipe construction and developing novel prefabricated inspection well structures and convenient for carrying out pipe engineering construction in downtown areas without excavating.

The invention discloses an asphalt pavement curing agent which comprises A components and B components which are mutually independent, wherein the A components comprise epoxide resin, an organic solvent A, carbon black, a dispersing agent, a permeating agent and a heat stabilizer A; the B components comprise a curing agent, an organic solvent B, asphalt, an asphalt regenerant and a heat stabilizer B; the curing agent is cashew-nut oil modified amine. The preparation method comprises the following steps of: firstly sequentially adding the A components into a stirring kettle, storing a dispersion liquid prepared after dispersion; sequentially adding the B components to the stirring kettle, and storing in a sealing way after the dispersion. When the asphalt pavement curing agent is applied, the A components and the B components are uniformly mixed on site, the mass ratio is controlled to (1:1)-(2:1), then aggregates are added, spread and compacted, and the asphalt pavement curing agent is directly coated on an asphalt pavement at normal temperature without being heated or diluted during construction application. The asphalt pavement curing agent disclosed by the invention can be used for reducing and regenerating aged asphalt, outstandingly reducing the water penetration coefficient of the asphalt pavement and improving the pavement property.

In the embodiment of the present invention, the water-stop curtain is formed on the outside of the foundation pit wall by the cement mixing pile and the cast-in-place pile being occluded, making full use of the bending resistance performance of the cast-in-place pile and the water-stop performance of the cement mixing pile, so that the operation is safe and the water-forming Reinforced concrete piles are neat and regular; cement mixing piles are used to occlude casing piles to form a water-stop curtain, which can effectively prevent water seepage, water leakage and quicksand in traditional foundation pits, and can effectively prevent collapse, necking and other types of punching and drilling The quality of piles is a common problem; compared with traditional underground diaphragm walls and bored occlusal piles, the construction speed is faster, the cost is lower, and the economic benefits are obvious; the cement mixing piles are constructed first to form the constraints of casing piles and avoid the casing piles. The problem of diameter expansion in soft soil layers; the use of casing piles for support, and the use of cement mixing piles to consolidate and harden the soil, reduce the excavation of earthwork and the impact on the surrounding geology, and reduce the impact of construction on the surrounding environment Impact and environmental pollution, green construction.

A bionic underwater robot for achieving a variety of motions is disclosed. The bionic underwater robot includes a head and one or more tail structures. Each of the one or more tail structures includes one or more joint structures. Each of the one or more joint structures includes a connection plate, and a modular assembly, comprising an upper servo motor, a lower servo motor, and a bevel gear mechanism, is motorized for performing various movement motions of the joint structure. The bevel gear mechanism is integrally formed by an intermediate bevel gear, a first bevel gear, and a second bevel gear. The upper servo motor drives the first bevel gear from a first side of the modular assembly, while the lower servo motor drives the second bevel gear from a second side.

The invention discloses a construction method of an underground diaphragm wall, belonging to the technical field of a support structure. The technical essentials comprise the following steps of: (1) digging a groove on a pre-set foundation and placing a steel reinforcement cage; and casting concrete to form an underground diaphragm wall section; (2) digging one groove at the adjacent position of the formed underground diaphragm wall section and placing one steel reinforcement cage; and casting the concrete to form one underground diaphragm wall section; reserving a suitable distance between the two adjacent underground diaphragm wall sections so as to ensure that connectors can be effectively overlapped; and (3) after casting the two underground diaphragm wall sections, forming holes on the connectors of the two wall sections when the concrete is not condensed; pouring the concrete into the holes to better connect the two underground diaphragm wall sections, so as to form a continuous whole body. The invention aims to provide the construction method of the underground diaphragm wall, which has the advantages of simplicity in construction and good water sealing effects; and the construction method is used for constructing the underground diaphragm wall.

A fire-proof paint modifier of tunnel based on polymer/clay inserting layer modification technology and its production are disclosed. The modifier consists of polymer, modified clay and additive, polymer is bromo-bisphenol A epoxy resin or amino resin solution, modified clay is insert modified roseite, concavo-convex rod clay or montmorillonite, and additive is expendable graphitic, magnesium hydroxide, aluminum hydrate and nanometer TiO2. The process is carried out by destroying clay structure, stripping it into basic unit, dispersing in polymer matrix, and obtaining modifier. Its advantages include better hydrophobicity and thermal stability, higher strength and toughness, to prevent smoke from eroding and improve corrosion and water resistances.

The invention discloses a tunnel lining structure filled with ceramic particles and a construction method. The tunnel lining structure comprises a surrounding rock, a preliminary support is anchored to a tunnel rock body of the surrounding rock through anchoring rods, and a waterproof layer is laid on the inner layer of the preliminary support. A ceramic particle filler is laid on the inner layerof the waterproof layer, steel anchoring frames are arranged on the inner side of the ceramic particle filler, and secondary lining pouring is conducted on the inner sides of the steel arching frames.By adopting the technology, the bearing capacity of support materials can be brought into full play, the utilization rate of the steel arching frames is greatly increased, the using quantity of the steel arching frames is decreased, the strength requirement of the steel arching frames is lowered, the ceramic particle filler is utilized to protect the steel arching frames to the utmost extent, deformation of the surrounding rock is effectively controlled, the surrounding rock is protected and reinforced, resources are saved, and the environment-friendly and economic effects are achieved.

The invention relates to a paint brushing construction method, which sequentially comprises the following steps of brick wall base surface cleaning, base layer brushing, putty priming and surface layer rolling coating. According to a method adopted in the base layer brushing step, firstly, a brick wall base surface is moistened through water spreading, a layer of cement paste is brushed, then, cement mortar is used for brushing, the first layer brushing thickness is 0.08 to 0.1cm, the second layer brushing thickness is 0.05 to 0.08cm, then, the scraping leveling is carried out through a darby, and finally, the floating leveling is carried out through a wood float. According to a method adopted in the putty priming step, the priming is carried out in two layers, the first layer putty priming thickness is 0.3 to 0.5cm, the second layer putty priming is carried out after 22 to 26 hours, the priming thickness is 0.2 to 0.3cm, and two work procedures of grinding leveling machine and sand paper are adopted for grinding leveling after the natural maintenance. According to a method in the surface layer rolling coating step, firstly, a layer of paint is brushed on the putty surfaces primed in the former step, the paint rolling coating is carried out once again after 3 to 5 hours, and then, the maintenance is carried out. The surface layer brushed according to the construction method is smooth, flat and uniform without cracks, in addition, convex-concave corners of wall posts are made into micro arc shapes, the appearance is attractive, simple and compact, and the dust accumulation cannot easily occur.

The invention relates to a floor drain, in particular to a floor drain for a water seepage prevention toilet, which belongs to the technical field of floor drain structures. The water seepage prevention floor drain comprises a floor drain body 1, a sealing bowl 2 inside the floor drain body 1, and a floor drain cover 3 on the upper part, and is characterized in that the periphery of the floor drain body 1 is provided with a circle of water seal ring 4 surrounding the floor drain and extending out horizontally; and the drain floor is provided with drain openings 5 evenly above the water seal ring 4 and along the periphery of the floor drain body 1. The water seepage prevention floor drain is provided with the water seal ring on the basis of the prior floor drain to further strengthen the waterproof effect, effectively prevent water seepage of a waterproof layer and perform conduction drainage aiming at the water seepage, and is environment-friendly to use and convenient to mount.

The invention belongs to the technical field of power facilities and particularly relates to a fireproof power cable trench. The fireproof power cable trench comprises multiple trench bodies; each trench body comprises a bottom plate, side baffles and a cover plate; one accommodating cavity and multiple discharge ports are arranged in the side baffles and on the cover plate; the discharge ports are located at the inner side of the cable trench; the accommodating cavity and the multiple discharge ports are communicated; the accommodating cavity is internally provided with a fireproof material;and the discharge port is provided with a plugging mechanism. Through improving the structure of the trench body, the accommodating cavity with the fireproof material is arranged in the side baffles and the cover plate, self extinguishing is carried out while waiting for rescue, and secondary fault of a power device is avoided.

The present invention discloses a continuous reinforced plastic composite pipe and the production technique for buried heat insulation of oil field; the continuous reinforced plastic composite pipe consists of an anticorrosive coating, a reinforced layer and a coating layer; crosslinked polyethylene foamed material is continuously rolled on the continuous reinforced plastic composite pipe to form a continuous insulating course, and fluid sealant layers are respectively coated between the coating layer and the insulating layer, the insulating layer and the protective layer. The reinforced layer is weaved by metal steel wires; the anticorrosive coating and the coating layer are made of crosslinked polyethylene material; the protective layer is made of polyethylene; the insulating course is made of crosslinked polyethylene foam. The pipe of the present invention is a long-distance flexible continuous pipe; the insulating course is made of crosslinked polyethylene flexible material; the continuous reinforced plastic composite pipe has good memory, rebound resilience and concentricity inside and outside the pipeline and ensures that the continuous heat insulation pipeline prevents being squashed after being coiled and buried; thereby the thickness of the insulating course is consistent and achieving better heat insulation effect. The pipeline paved by the invention, even if the local part is damaged, water can be effectively prevented to seep into the insulating course in order to ensure the heat insulation effect.

The invention provides interior wall plastering mortar, which is prepared by mixing the following components in part by weight: 30 to 35 parts of ordinary Portland cement, 4 to 5 parts of hydrated lime, 5 to 10 parts of light aggregate, 50 to 60 parts of heavy aggregate, and 1.0 part of C-type composite auxiliary, wherein the light aggregate is an inorganic vitrified hollow cellular material of which the fineness is lower than 100 meshes; the heavy aggregate is ordinary river sand; and the C-type composite auxiliary is sold by Guangzhou Hecheng Trading Company. The construction method for the interior wall plastering mortar comprises the following steps: diluting the light energy-saving interior wall plastering mortar with water accounting for 30 to 50 percent of the weight of the mortar; and mechanically or manually stirring the diluted mortar until the mortar is mixed uniformly to achieve the viscosity suitable for mechanical spraying or manual construction. Therefore, the mortar can be sprayed mechanically or constructed manually. The interior wall plastering mortar has light weight and energy conservation, can prevent hollowness, cracking and falling off by being matched with a light wall body, can effectively reduce cracking of the mortar, ensures the quality of construction work, has the advantages of heat insulation and noise reduction, low cost of unit area, good grain composition, good peaceability, mechanical construction contribution and simple process.

The invention discloses an outer-wall tongue groove capable of preventing water seepage of a window and a construction method of the outer-wall tongue groove. The front structure of the outer-wall tongue groove is a rectangular frame arranged in a window hole, and the section structure is in the shape of a step with inside higher. The construction method of the outer-wall tongue groove includes procedures of steel banding of a main outer wall, formwork erecting of the main outer wall, concrete casting, auxiliary frame mounting, JS waterproof construction, outer-wall heat insulation construction and window frame mounting. The concrete structure at the window is designed into a manner of the tongue groove, part of construction methods for preventing water seepage of windows is updated, plugging of post-cast strips of a roof is guaranteed, and occurrence probability of water seepage of the window is decreased. Meanwhile, plastering thickness in the indoor window is reduced during construction, and the purpose for preventing water seepage of the window is achieved.

The invention discloses an external wall heat-preservation construction method which adopts the inorganic heat-preservation mortar and includes the steps of the wall body substrate layer treatment, arranging a heat preservation layer, laying grid cloth and sticking a decoration layer; wherein, the arrangement of the heat-preservation includes the boundary treatment, the smearing of the inorganic heat-preservation mortar and the anti-leakage treatment process. The external wall heat-preservation construction method which adopts the inorganic heat-preservation mortar effectively prevents the water leakage of the heat-preservation layer and has the advantage of firm connection between the slurry in the layers and the grid cloth, flat heat-preservation layer, guaranteed engineering quality, convenient construction, improving the work efficiency, saving time, labor and the cost.

The invention discloses a ventilated air conditioning wall for a multi-storey building. The ventilated air conditioning wall comprises a water supply device and a heat exchange wall, wherein the water supply device comprises a water supply pipe, a flow regulating valve and a spray device, the flow regulating valve is arranged on the water supply pipe, and the spray device is communicated with the water supply pipe; the heat exchange wall comprises an external thermal insulating wall, an internal thermal insulating wall, a filtering drainage piece, an air inlet, a ventilated heat exchange interlayer, an activated carbon filtering layer and an air induced feeder, a gap between the external thermal insulating wall and the internal thermal insulating wall serves as the ventilated heat exchange interlayer, the activated carbon filtering layer and the filtering drainage piece are arranged in the ventilated heat exchange interlayer, the air inlet is arranged on the external thermal insulating wall, and the air induced feeder is arranged in the internal thermal insulating wall; the spray device is arranged in the ventilated heat exchange interlayer, and located between the activated carbon filtering layer and the filtering drainage piece; and the part, below the air inlet, of the ventilated heat exchange interlayer serves as a water return pool, and a water return pipe is communicated with the water return pool through a water return regulating valve. According to the invention, air is subjected to heat exchange and humidification through spraying cool water to an inner cavity of a wall in summer and spraying hot water to the inner cavity of the wall in winter, and then the air is fed indoors so as to achieve the purpose of ventilated air conditioning.

The invention relates to an artificial stone plate and a curtain wall thereof. The artificial stone plate comprises a stone plate made of a concrete material. Two layers of steel wire meshes are embedded in the stone plate; two rows of fastening nuts are embedded in a back surface of the stone plate; inner ends of the fastening nuts are connected to a strip plate between the two layers of the steel wire meshes; the fastening nuts penetrate through one layer of the steel wire meshes; and the outer ends of the fastening nuts reach the back surface of the stone plate. The artificial stone plate has the advantages of light weight, low cost, and convenient and fast installation, overcomes the disadvantages of high cost of stone installation framework, and complex program and high labor cost for stone slotting, punching and fixed installation; the surface of the stone is treated by a plurality of surface treatment methods, thereby achieving a decoration effect of natural stone completely; and a hydrophobic layer can effectively prevent phenomena of water seepage, discoloration and efflorescence. The artificial stone plate is synthesized by using regenerated resources, overcomes the disadvantages of large disruption to the environment and radiation pollution in stone exploration, has the advantages of low cost and environment protection, and has very good economic benefits and social benefits.

The invention discloses a metal roof structure. A steel lining plate is arranged on the bottommost layer of the roof structure, an aluminum-magnesium-manganese alloy roof panel is arranged on the topmost layer of the roof structure, a support steel plate and a gypsum fiber plate are arranged between the aluminum-magnesium-manganese alloy roof panel and the lining plate, the support steel plate is supported at the bottom of the gypsum fiber plate, a superfine glass cotton noise proofing layer is filled between the aluminum-magnesium-manganese alloy roof panel and the gypsum fiber plate, support purlines are arranged at the bottom of the support steel plate, a non-woven fabric dustproof layer is paved on the lining plate, a glass cotton sound-absorbing layer is arranged on the non-woven dustproof layer, heat-preserving cotton is filled among the glass cotton sound-absorbing layer and the support purlines, a vapor barrier layer is arranged between the heat preservation cotton and the glass cotton sound-absorbing layer, and a water-proofing and vapor-permeating layer is arranged between the superfine glass cotton noise proofing layer and the gypsum fiber plate. Waterproof effect of a metal roof is improved, outdoor noise is prevented from being transmitted into a room, and a heat preserving, a damp proofing effect and a vapor permeating of the metal roof are improved.