44results about How to "Good joint water tightness" patented technology

The invention relates to a prestressed glass fiber reinforced plastic (GFRP) reinforced concrete pipe with a plastic inner bush, a mouthing and a socket, which comprises the mouthing, the socket, a concrete wick and a prestressed steel wire. The mouthing and the socket are coaxially and fixedly arranged on the two ends of the concrete wick respectively and the prestressed steel wire twines on the outer wall of the concrete wick. The concrete pipe is characterized in that: the outer wall of the concrete wick is coaxially and fixedly provided with a GFRP jacket and the inner wall of the concrete wick is coaxially and fixedly provided with the plastic inner bush. The reinforced concrete pipe has simple integral structure, scientific and reasonable design, relatively good durability, noncorrosibility, impermeability, uneven settling resistance, small friction resistance coefficient of the inner wall of the pipe, low cost of raw materials and construction, simple construction process and convenient maintenance and is a relatively highly innovative prestressed glass fiber reinforced plastic (GFRP) reinforced concrete pipe with the plastic inner bush, the mouthing and the socket.

The invention relates to a novel prestressed concrete reinforced pipe with a steel bell and faucet, and consists of a bell mouth, a faucet, a concrete reinforced pipe core, a framework of steel reinforcement, a prestressed steel wire and a protection layer; wherein, the bell mouth and the faucet are fixedly arranged at the two ends of the concrete reinforced pipe core respectively; the framework of steel reinforcement is embedded in the concrete reinforced pipe core with the wall fixedly provided with a protection layer; the prestressed steel wire wines around the outer wall of the concrete reinforced pipe core under the protection layer; wherein, an inner ring station is coaxially fixed on the inner wall of the bell mouth coaxially fixed at one side of the concrete reinforced pipe core. The invention has the advantages of simple integral structure, scientific and reasonable design, good durability, good impermeability, good joint sealing property, relatively low construction cost, convenient maintenance, simple construction and operation and reduced construction cost, thereby being a high-creative novel prestressed concrete reinforced pipe with a steel bell and faucet.

The invention relates to a prefabricated concrete pipe gallery, which is composed of a gallery body and a gallery. The gallery is made in the gallery body. The cross section of the gallery is square. It is fixed with a socket and a socket. The overall structure and construction steps of the present invention are simple, scientific and reasonable in design, convenient for hoisting and transportation, and the manufacturing and construction costs of the entire pipe gallery are low, and it is a prefabricated concrete pipe gallery that can effectively resist uneven settlement.

The invention relates to a steel fiber reinforced concrete pipe with a ribbed thin wall. The steel fiber reinforced concrete pipe provided by the invention is composes of a mouthing, a socket, a steel fiber reinforced concrete pipe core with a steel cylinder, a prestressed wire and a protective layer, wherein the mouthing and the socket are respectively coaxially fixed on the two ends of the steel fiber reinforced concrete pipe core with the steel cylinder, the external wall of the steel fiber reinforced concrete pipe core with the steel cylinder is fixedly provided with the protective layer, and the prestressed wire is wound on the external wall of the steel fiber reinforced concrete pipe core with the steel cylinder between the external wall and the protective layer; and the ratio of the wall thickness d of the steel fiber reinforced concrete pipe core with the steel cylinder and the inner diameter D of the pipe core is mu, wherein 1 / 32<mu<1 / 16, the thread pitch of the prestressed wire is @ mm, the diameter of the prestressed wire is phi mm, 2phi<=@<=50, and an annular steel rib is coaxially welded on the steel cylinder. The steel fiber reinforced concrete pipe with the ribbed thin wall provided by the invention has the advantages of simple integral structure, scientific and reasonable design, simple production process, higher production efficiency, thin pipe wall, light weight, distinct external pressure bearing capability, good impermeability and lower transportation and construction cost.

The invention relates to a socket-faucet prestress reinforcing steel bar pipe with a water blocking ring, comprising a socket, a faucet, a reinforcing steel bar framework, a concrete pipe core, a prestress steel wire and a protective layer, wherein both ends of the concrete pipe core are provided with the socket and the faucet, the concrete pipe core is internally and coaxially embedded with the reinforcing steel bar framework, and the prestress steel wire is wound on the outer wall of the concrete pipe core; the prestress steel wire and the outer wall of the concrete pipe core are fixedly provided with the protective layer; a water blocking ring is fixedly arranged on the socket in the concrete pipe core; and a water blocking ring is also fixedly arranged on the faucet in the concrete pipe core. The socket-faucet prestress reinforcing steel bar pipe with a water blocking ring has simple integral structure, scientific and reasonable design, stronger anti-permeability, lower cost and convenient mounting, and can effectively resist the increase of internal water pressure.

The invention relates to a steel mouthing socket glass steel reinforced concrete pipe which is composed of a mouthing, a socket, and a concrete pipe core; the mouthing and the socket are fixedly arranged at two ends of the concrete pipe core respectively; the concrete pipe core is coaxially embedded with a cylindrical steel skeleton; the two ends of the cylindrical steel skeleton are fixedly arranged on the mouthing and the socket, wherein, the outer wall of the concrete pipe core is coaxially and fixedly provided with a fiberglass sheath. The concrete pipe has the advantages of simple structure, scientific and rational design, good durability, corrosion resistance, impermeability, uneven sedimentation resistance, low raw material cost and low construction cost, simple construction process and easy maintenance, and is a steel mouthing socket glass steel reinforced concrete pipe with higher innovation.

The invention relates to a steel barrel reinforced steel bell and spigot pre-stressed longitudinal bar concrete push pipe, which consists of a pipe socket, a spigot, a reinforcement cage and a concrete pipe core, wherein, the pipe socket and the spigot are respectively and fixedly arranged at the two ends of the concrete pipe core and the reinforcement cage is coaxially embedded in the concrete pipe core. The reinforcement cage is the longitudinal bar and the steel barrel is respectively, coaxially and fixedly arranged on the pipe socket and the spigot in the concrete pipe core the outer wallof which is poured with a protective layer and the outer wall of the concrete pipe core in the protective layer is twined by a pre-stressed steel wire. The concrete push pipe is simple in the whole structure and scientific and rational in design and has good durability, impermeability and joint water closeness, and besides, the pipe wall is thin and the engineering cost is low, greatly reducing construction cost and transportation cost, so the concrete push pipe is a steel bell and spigot pre-stressed longitudinal bar concrete push pipe with a reinforced steel barrel and higher innovation.

The invention relates to a steel bell-and-spigot longitudinal bar pre-stressed concrete pipe which is composed of a pipe socket, a faucet, a pre-stressed concrete pipe core, a pre-stressed steel wire and a protective layer. The pipe socket and the faucet are respectively fixed on the two ends of the pre-stressed concrete pipe core, the protective layer is coaxially disposed on the outer wall surface of the pre-stressed concrete pipe core, the pre-stressed steel wire is wound on the outer wall surface of the pre-stressed concrete pipe core, wherein a plurality of longitudinal bars which are axially embedded and have the same diameters are uniformly distributed in the pre-stressed concrete pipe core, and the two ends of each longitudinal bar are fixedly arranged on the pipe socket and the faucet. The steel pipe bell-and-spigot longitudinal bar pre-stressed concrete pipe has simple overall structure, scientific and reasonable design, good durability, barrier property and water resistance at joints, less steel consumption, convenient maintenance, simple operation and greatly reduced construction cost of the product, thereby creating the conditions for the wide application of the pre-stressed concrete pipes.

The invention relates to a pre-stress concrete reinforced pipe with a water-resistant ring on a bellmouth, which comprises a bellmouth, a faucet, a reinforcement cage, a concrete pipe core, a pre-stress steel wire and a protection layer. The bellmouth and the faucet are respectively made at both ends of the concrete pipe core; the reinforcement cage is coaxially embedded in the concrete pipe core, the outer wall of which is wound by the pre-stress steel wire; and the protection layer is fixedly mounted on the pre-stress steel wire and the outer wall of the concrete pipe core, wherein the water-resistant ring is fixedly mounted on the bellmouth in the concrete pipe core. The invention has simple whole structure, scientific and reasonable design, stronger impermeability, lower cost and convenient mounting and can effectively resist the internal water pressure increase of the pre-stress concrete reinforced pipe with the water-resistant ring on the bellmouth.

The invention relates to a precast prestressed concrete pipe gallery with a steel cylinder, consisting of a gallery body and a gallery passage. The gallery passage is arranged in the gallery body, andthe cross section of the gallery passage is square, wherein (1) the gallery body is cylindrical, and two ends of the gallery body are coaxially and fixedly provided with a bearing port and a pluggingport respectively; (2) the steel cylinder is coaxially embedded in the pipe wall of the gallery body, and two ends of the steel cylinder are coaxially and fixedly mounted on the bearing port and theplugging port; and (3) the outer pipe wall of the gallery body is fixedly provided with a protecting layer, and prestressed wires are winded on the outer wall of the pipe wall of the gallery body in the protecting layer. The invention has simple integral structure, scientific and reasonable design, convenient lifting and transportation, simple construction process and lower cost of raw materials and construction, and is capable of effectively resisting uneven settlement.

The invention relates to a steel mouthing socket prestressing force glass steel concrete pipe which is composed of a mouthing, a socket, a concrete pipe core, a prestressing force steel wire and a protection layer; the mouthing and the socket are fixedly arranged at two ends of the concrete pipe core respectively, wherein, the outer wall of the concrete pipe core is coaxially and fixedly providedwith a fiberglass sheath, the outer wall of which is wrapped with the prestressing force steel wire and fixedly provided with the protection layer. The concrete pipe has the advantages of simple structure, scientific and reasonable design, good durability, corrosion resistance, impermeability, uneven sedimentation resistance, low raw material cost and low construction cost, simple construction process and easy maintenance, and is a steel mouthing socket prestressing force glass steel concrete pipe with higher innovation.

The invention relates to a steel socket pre-stressed concrete push pipe consisting of a bell mouth, a spigot, a reinforcement cage and a concrete pipe core, wherein, the bell mouth and the spigot are respectively and fixedly arranged at the two ends of the concrete pipe core and the reinforcement cage is coaxially embedded in the concrete pipe core the outer wall of which is poured with a protective layer and the outer wall of the concrete pipe core in the protective layer is twined by a layer of pre-stressed steel wire. The concrete push pipe is simple in the whole structure and scientific and rational in design and has good durability, impermeability and joint water closeness, and besides, the pipe wall is thin and engineering cost is low, greatly reducing construction cost and transportation cost, so the concrete push pipe is a steel socket pre-stressed concrete push pipe with higher innovation.

The invention relates to a prestressed reinforced concrete pipe with a built-in plastic sleeve socket, which is composed of a socket, a socket, a concrete pipe core, a prestressed steel wire and a protective layer. At the end, the concrete core is coaxially embedded with a steel skeleton, and the two ends of the steel skeleton are respectively fixed on the socket and the socket, wherein a plastic sleeve is coaxially embedded in the concrete core, and the plastic sleeve The two ends are fixed on the socket and the socket. The present invention has simple overall structure, scientific and reasonable design, good impermeability, corrosion resistance, resistance to uneven settlement, low cost of raw materials and construction cost, simple construction process, and convenient maintenance. Prestressed reinforced concrete pipe with built-in plastic sleeve socket.

The invention relates to a prestressed reinforced concrete pipe with a waterproof ring of a socket, comprising a socket, a supporting port, a reinforced frame, a concrete pipe core, prestressed steel wires and protecting layers, wherein both ends of the concrete pipe core are provided with the supporting port and the socket; the reinforced frame is coaxially embedded into the concrete pipe core; the outer wall of the concrete pipe core is twisted with the prestressed steel wires; the prestressed steel wires and the outer wall of the concrete pipe core are fixedly provided with the protecting layers; and the socket in the concrete pipe core is fixedly provided with a waterproof ring. The invention has the advantages of simple integral structure, scientific and reasonable design, stronger impermeability, lower cost and convenient installation, and can effectively prevent internal pressure from increasing.

The invention relates to a steel bell-and-spigot steel longitudinal-bar-free pre-stressed concrete pipe which is composed of a pipe socket, a faucet, a pre-stressed concrete pipe core, a pre-stressed steel wire and a protective layer. The pipe socket and the faucet are respectively fixed on the two ends of the pre-stressed concrete pipe core, the protective layer is coaxially made on the outer wall surface of the pre-stressed concrete pipe core, and the pre-stressed steel wire is wound on the outer wall surface of the pre-stressed concrete pipe core. The steel pipe bell-and-spigot steel longitudinal-bar-free pre-stressed concrete pipe has simple overall structure, scientific and reasonable design, and good durability, barrier property and water resistance at joints; the steel consumption is less, the maintenance is convenient, the operation is simple, and the construction cost of the product is greatly reduced, thereby creating the conditions for the wide application of the pre-stressed concrete pipes.

The invention relates to a concrete pipe of pre-stress thin wall of a steel bell and spigot. The ratio of the wall thickness d of a pipe core of the concrete pipe to the inner diameter D of the pipe core is Mu, which is not less than one thirty second but not more than one sixteenth; the screw pitch of a pre-stress steel wire is @mm while the diameter of the pre-stress wire is Phi mm, and the @ is not less than 2Phi but not more than 50. The whole structure of the invention is simple, the design is scientific and reasonable and the value of the wall thickness of the pipe core and the value of the screw pitch of the pre-stress steel wire are obtained through scientific calculation and have good test effect; the concrete pipe has good durability and impermeability and good water sealing in joint and the construction cost is comparatively low, the maintenance is convenient and the construction and the operation are simple, thereby greatly reducing the transport cost and the construction cost. The concrete pipe of the invention is the concrete pipe of pre-stress thin wall of steel bell and spigot with higher innovation.