168 results about "Water stop" patented technology

The application provides a foundation pit supporting structure of deep silt stratum and a construction method thereof. The foundation pit supporting structure comprises cast-in-situ bored piles arranged in rows and a water stop curtain. The water stop curtain comprises a plurality of rotary jet piles located in the silt layer and the upper stratum thereof and a plurality of swing jet piles located in the lower stratum of the silt layer. The cast-in-situ bored piles are constructed by using rotary drilling machines; adjacent rotary jet piles are overlapped and engaged with each other; adjacent swing jet piles are overlapped and engaged with each other; and adjacent cast-in-situ bored piles are not engaged with each other. The application combines the construction of the water stop curtain and the cast-in-situ bored piles, firstly constructs the rotary jet piles of the water stop curtain, overlaps and engages the rotary jet piles with each other, then constructs the cast-in-situ bored piles by using rotary drilling machines in the rotary jet piles, the diameter of the rotary jet piles is larger than that of the cast-in-situ bored piles, the former serves as the water stop curtain and also serves as the temporary casing during the construction of the latter, one pile has two uses, the construction process is reduced, the engineering cost is lowered, and the application has good popularization value.

The utility model provides a prefabricated channel relates to water conservancy engineering irrigation and drainage channel technical field. The prefabricated channel realizes the effective link of section through setting up support step and lap overstep at U type channel groove both ends, effectively avoids the dislocation of assembling lap joint and the damage of water stop, the joint of each section U type channel groove is constituted the combined type seepage prevention system by the joint surface sealing filler and the built -in water stop band, has improved the leakproofness and water stop effect of joint surface greatly, the top of channel groove adopts hidden type protection cover plate to cover, can strengthen the safety protection of irrigation and drainage channel, can slow down the silting of groove bottom obviously, is favorable to the later operation management maintenance, the wall body adopts the gradual expansion structure of overcurrent surface vertical, retaining soil surface inclination, can guarantee the overcurrent surface after the assembly of each adjacent U type channel groove is always even and straight, avoids the heterofacial convex, improves the flow state, U type channel groove adopts the whole prefabricated thin wall type structure, safe and stable, economic and practical, simple structure, can prefabricate or purchase the factory prefabricated product on the spot.

This invention discloses a water-stopping structure and construction method for vertical joints in ultra-long dam panels. The structure includes a mortar pad filled with grooves in the vertical joint. A neoprene rubber gasket is placed on the upper surface of the mortar pad, and a water-stopping copper sheet is placed on the neoprene rubber gasket. The water-stopping copper sheet includes a copper lug and two side wings positioned opposite each other on either side of the copper lug. The copper lug is filled with a flexible material and sealed with tape. The flexible filling material includes a neoprene rubber rod placed at the bend inside the copper lug and a polyethylene closed-cell foam board placed on one side of the neoprene rubber rod. A composite water-stopping layer covers the upper surfaces of the two side wings of the water-stopping copper sheet. Through this multi-layered synergistic seepage prevention structure, the rigid water-stopping load-bearing capacity and the flexible water-stopping deformation are adapted to each other, improving the water-stopping effect.

The present application provides a kind of pile between cast-in-place retaining wall single-sided formwork and construction method, arc stress reinforcement is reliably welded with pile foundation main reinforcement, whole arc stress reinforcement is in the interior of pile between wall body, water stop screw used in single-sided formwork is firmly welded with arc reinforcement, the first reinforcing of single-sided formwork outside adopts one screw configuration two vertical steel pipes vertical reinforcement, most outside is provided with horizontal steel pipe horizontal reinforcement to ensure the integrity of single-sided formwork, the present application is suitable for the installation and reinforcement of pile between retaining wall single-sided formwork, construction cycle is greatly shortened, and cost reduction effect is remarkable.

The utility model relates to basement outer wall water stop steel plate place exempts from cutting exempts from reinforcing's assembly type stirrup, including upper ellipse hoop, lower ellipse hoop, stand hoop, sleeve, telescopic adjusting lever, round cake shape steel clamp plate, single limb mountain type muscle, water stop steel plate, be provided with many stand hoops between upper ellipse hoop and lower ellipse hoop, the outside of stand hoop is provided with the sleeve, and single limb mountain type muscle is connected with stand hoop through the sleeve, the inside of every stand hoop is provided with telescopic adjusting lever, and the end of telescopic adjusting lever is fixed round cake shape steel clamp plate, water stop steel plate inserts the cavity that upper ellipse hoop, lower ellipse hoop, stand hoop enclose, and round cake shape steel clamp plate is located at both sides of water stop steel plate, and the round cake shape steel clamp plate of water stop steel plate both sides is close to water stop steel plate. The utility model basement outer wall water stop steel plate place stirrup adopts assembly type stirrup structure, can effectively avoid the collision problem of the steel bar of basement outer wall and shear wall edge component or frame column intersection, guarantees water stop effect.

The utility model discloses a kind of gas pipeline water stop, it is related to gas pipeline conveying equipment technical field, comprising: water stop body and gas-liquid separation mechanism and free-floating ball type trap, gas-liquid separation mechanism is set in water stop body, to form in water stop body top air passage and bottom drain passage, air passage is communicated with gas outlet pipe, drain pipe is communicated with drain passage;Free-floating ball type trap is installed in the bottom of drain pipe, to form liquid storage cavity in drain pipe, after the water of liquid storage cavity exceeds design height, drive free-floating ball type trap's float ball to rise and then open free-floating ball type trap and discharge water exceeding design height from the drain port of free-floating ball type trap, without manual intervention, can automatically control drainage according to the change of water level in liquid storage cavity, improve the timeliness and efficiency of drainage, ensure that ponding in pipeline system does not too much affect operation.

The utility model relates to bridge expansion joint device technical field, and concretely speaking, the utility model relates to a high -speed railway beam water stop expansion joint device, including the elastomer (1) in expansion joint, be equipped with connecting rod (2) on the elastomer (1), the utility model water stop expansion joint device installation is convenient, is not limited by climate and construction condition, and the elastomer can be prefabricated according to bridge expansion joint width and expansion amount in advance, is not limited by bridge expansion amount, and the scope of application is wider, after installation, the device and the extrusion force between the beam body are generated, the connecting rod is arranged in the device interior and can enhance the extrusion force, and the interface is not easy to crack, the connecting rod and the elastomer structure of arch structure structure connection are firm, simplify the installation and removal operation of the device, and simultaneously reduce production cost.

The utility model discloses a reinforced retaining wall deformation joint structure for constructional engineering, it includes the connecting steel sheet of pre -buried in the both sides retaining wall of deformation joint body inner chamber, the top and bottom of two connecting steel sheet all are installed with the water stop body, both ends of water stop body all are in the inside of retaining wall, the side of water stop body away from connecting steel sheet is filled with pitch hemp yarn located deformation joint body inner chamber, the side of pitch hemp yarn away from water stop body is filled with foam strip. The utility model discloses a connecting steel sheet and water stop body of pre -buried in retaining wall, played the role of partition, effectively guaranteed the waterproof effect of deformation joint place, then adopt pitch hemp yarn, foam strip and foam board to cover and protect water stop body, effectively block the destruction of water stop body to the foreign matter, can reach the waterproof of deformation joint with pre -buried steel sheet and double -layer water stop band cooperation filling material, improve waterproof effect, prolong waterproof cycle's purpose.

The present application relates to a kind of for locking steel pipe pile cofferdam water stop pressure grouting device, including a support frame, pressure grouting pipe, annular air bag and inflation pipe;The support frame includes upper support plate and lower support plate, there is a certain interval between upper support plate and lower support plate and welding connecting rod, multiple buckles are arranged in equidistance rotation on the edge of upper support plate, and the lower end of buckle is located below upper support plate and is inclined to the outside of upper support plate upwards;Pressure grouting pipe vertically penetrates upper support plate and lower support plate;Annular air bag is located between the upper support plate and lower support plate of support frame, annular air bag can extrude the lower end of buckle to rotate to the outside of upper support plate in inflation state, and its annular outside surface protrudes to the outside of upper support plate and lower support plate;Inflation pipe penetrates upper support plate and inflates and deflates air bag.The present application can be combined with rock by the way of high-pressure grouting to press cement slurry from inside steel pipe pile to outside steel pipe pile, so that steel pipe pile is closely combined with rock, and the water stop effect of steel pipe pile cofferdam is improved.

The application provides a diaphragm wall joint water stop construction method, and relates to the technical field of underground engineering construction, which comprises the following steps: drilling a grouting hole to the bottom of the diaphragm wall on the inner side of the joint, injecting slurry into the joint gap to establish a first water stop barrier; before the initial setting of the slurry, the grouting hole is re-drilled and swept, and the re-drilled hole is reused as a temperature measuring hole; a freezing pipe hole is drilled in the soil on the outer side of the joint, the freezing pipe is installed and connected to a freezing system, the freezing system is started to freeze the soil on the outer side of the joint, and a second water stop barrier is formed; the freezing effect is monitored by using the temperature measuring hole, and the timing of foundation pit excavation and the operating parameters of the freezing system are controlled according to the monitoring data. The application constructs a double water stop guarantee by series connection of grouting and freezing inside and outside, and the water stop reliability is significantly improved. The freezing pipe is installed by using the post-drilling method, and the construction flexibility is greatly improved. The three-stage dynamic operation of the freezing system takes into account safety and economy.

The utility model discloses a kind of caisson water stop K plate bolt, it is related to K plate bolt technical field, including: K plate bolt is poured in the inside of wall body;The K plate bolt includes: the bolt main body with the plug-in channel being opened;Positioning assembly is installed in the inside of bolt main body;Further include: clamping position assembly is provided with multiple, and is installed in the inside of plug-in channel, and is clamped on bolt main body by positioning assembly;Connecting assembly is poured in the inside of wall body, and two K plate bolts are connected together;Nut assembly is inserted into the inside of plug-in channel;The utility model bolt main body's circular table type and smooth outer surface design, and the structural design of nut assembly and clamping position assembly, so that the installation and disassembly of K plate bolt are more convenient and fast, reduce construction time and labor intensity, reduce the damage to wall body simultaneously, reduce later repair cost.

This invention relates to the field of building waterproofing construction technology, providing a replaceable water-stopping device and an expansion joint sealing system. The replaceable water-stopping device includes: a cylindrical body with a receiving cavity, an inlet opening on the radially outward side of the receiving cavity, and an outlet channel within the cylindrical body; a selectively permeable membrane, with the inlet opening also equipped with a selectively permeable membrane; a hydrophobic liquid sealing medium with a density less than seawater within the receiving cavity, allowing seawater to enter the receiving cavity while preventing the hydrophobic liquid sealing medium from flowing out; the bottom of the receiving cavity communicating with the outlet channel; and a counterweight, positioned within the receiving cavity and above the hydrophobic liquid sealing medium, and slidingly sealingly engaging with the receiving cavity vertically. This invention solves the defects of existing technologies, such as irreplaceable sealing structures, poor resistance to marine environmental corrosion, inability to actively drain water, and difficulty in adapting to dynamic load deformation.

The application discloses a kind of semi-covering layer semi-bedrock foundation gravity dam foundation seepage prevention water stop design method, belong to the field of hydraulic engineering design.This application method is aimed at the complex conditions of semi-covering layer semi-bedrock foundation, adopts zoning combination seepage prevention scheme: bedrock region sets seepage prevention curtain, covering layer region sets seepage prevention wall;Comprehensive construction period structure dead weight, running period structure dead weight, water pressure, uplift pressure and other loads, design seepage prevention wall top and dam foundation embedded joint and dam bottom local structure, reserve deformation and with two purple copper water stop to realize water stop by asphalt mortar joint filling;Finally, the rationality of scheme is verified by three-dimensional finite element seepage deformation numerical calculation.This application breaks through the limitation of traditional design, provides quantitative design method, and has strong operability, provides technical support and reference for similar projects.

The utility model relates to the technical field of modular integrated building, especially a pipeline connecting assembly for concrete modular integrated building pipeline floor-penetrating, the pipeline connecting assembly includes pre -buried water stop, pre -buried sleeve, connecting pipe and socket fixed pipe fitting, since the second connecting portion of socket fixed pipe fitting stretches into the connecting space of the third connecting portion of pre -buried sleeve and is connected with the inner wall of connecting space threadedly, the field operation step is reduced to the threaded connection and prefabricated component, and the installation efficiency is further improved. At the same time, since the first connecting portion of connecting pipe and the second connecting portion of socket fixed pipe fitting are connected through sealing ring assembly. Through setting sealing ring assembly cooperation threaded connection, realize double sealing structure, further reduce the risk of water leakage, especially suitable for bathroom, kitchen and other high waterproof requirement scene.

The application discloses a waterproof and flexible lining support structure for underground space, which is formed by splicing segments; a water stop pad is arranged at the butt joint of adjacent segments so as to form a filling cavity at the butt joint of the segments; a grouting flow channel is arranged in the segment, the outlet of the grouting flow channel is arranged in communication with the filling cavity, the inlet of the grouting flow channel is arranged in communication with the outside, a lining pad is arranged in the area surrounded by the water stop pad, the lining pad is located in the filling cavity, polymer slurry can be injected into independent sub-areas through the grouting flow channel to form multiple barrier structures, the lining support structure has good waterproof effect and is not prone to water leakage under the action of vibration; and the waterproof and flexible lining support structure for underground space can be used as an underground vertical shaft parking lot or a tunnel lining structure.

The utility model relates to laboratory detection equipment technical field, concretely to a novel water stop size measuring device, including main ruler and the first frame that slides the sleeve is established on main ruler, one end of main ruler is fixedly connected with first measuring claw, one end of first frame is fixedly connected with second measuring claw, second measuring claw is fixedly connected with the auxiliary ruler, the second frame is slidably sleeved on the auxiliary ruler, one end of second frame is fixedly connected with third measuring claw, the lower extreme of third measuring claw is slidably connected with extension claw. The utility model solves the problem of the existing measuring method not only cumbersome operation steps, and the depth ruler and the small product contact area, when its inclination measurement, will bring the measurement error.

The utility model belongs to automatic assembly equipment technical field discloses a kind of full-automatic pipe cap assembly machine, including shell, water stop rubber pad feed vibration disc, water stop cap feed vibration disc, lifting rod feed vibration disc and decorative cap feed vibration disc, the present scheme provides a kind of full-automatic pipe cap assembly machine, with Compact structure, process link smooth, the beneficial effect of higher degree of automation, through multiple station rotating mechanism cooperation multiple vibration disc feeding, realize the automatic ordered assembly of water stop rubber pad, water stop cap, lifting rod, lifting rod rubber pad and decorative cap five components, solve the problem of low efficiency of multi-component assembly, poor positioning accuracy and strong artificial dependence in prior art;With turnover mechanism realizes intermediate component automatic directional adjustment, further improves assembly accuracy;Setting photoelectric detection and intelligent unloading system, can automatically identify qualified and unqualified products and classified processing, significantly improve product consistency and production yield, applicable to the efficient assembly demand in modern pipe cap mass production.

The application discloses a basement outer wall steel column water stop structure and a construction method thereof. The basement outer wall steel column water stop structure comprises a bottom pouring body, two sub-side walls formed by extending upwards from a bottom plate, a gap formed between the two sub-side walls, a water stop strip placing groove provided on the bottom plate at the gap, two water stop plates, vertical parts of the two water stop plates being respectively poured and fixed on the end parts of the two sub-side walls near the gap, the two ends of the water stop strip placing groove respectively extending to the two water stop plates, and a water stop strip placed in the water stop strip placing groove and having two ends expanded by water to tightly connect with the two water stop plates. Due to the softness of the water stop strip, the water stop strip can easily bypass the obstacles, so that the water stop strip does not need to be disconnected in the process of being placed into the water stop strip placing groove, and the water stop strip cooperates with the water stop plates to continuously stop water at the vertical construction joint and the horizontal construction joint at the gap, thereby improving the water stop effect.

The present application relates to the field of foundation pit support, and discloses a novel assembled steel pipe row pile support and water stopping method, the novel assembled steel pipe row pile support comprising a middle steel pipe pile, a corner steel pipe pile and a connecting steel pipe, an open round steel pipe is arranged on the pile body of the middle steel pipe pile and the corner steel pipe pile, the open round steel pipe has a circumferential notch, and a 'T' shaped split toe is distributed on the inner side of the notch, the adjacent pile bodies are connected through the nesting engagement of the connecting steel pipe inserted into the open round steel pipe, and a continuous row pile structure is formed, the present application forms a mechanical sealing water stopping system, adapts to different stratum water stopping requirements, the core components are prefabricated in the factory and connected in an assembled manner, the construction is simplified and the cycle is shortened, the steel pipe pile can be recycled and reused, the cost is reduced, and the present application is green and environmentally friendly, the support structure has high rigidity and clear force transmission, is suitable for deep foundation pits and protects surrounding buildings and pipes, the special corner steel pipe pile realizes seamless connection at the corner, the connecting limb plate can be adjusted as required, and the geological adaptability is improved.

The present application belongs to the technical field of concrete construction, and particularly relates to a concrete bottom plate water stop method based on stress optimization and deformation control of construction joints, comprising the following steps: step S1, performing cast-in-place pile measurement and lofting at both ends of the construction joint; step S2, after the cast-in-place pile construction is completed and reaches the design strength, chiseling the pile head of the cast-in-place pile, and excavating between the two cast-in-place piles to form a foundation pit groove corresponding to the construction joint; step S3, pouring concrete with the foundation pit groove as a pouring formwork, and the upper surface elevation of the support beam and the lower surface elevation of the concrete bottom plate being at the same level; and step S4, pouring the concrete bottom plate. Through the "pile-beam" rigid support system, the differential settlement between adjacent bottom plates is actively constrained and eliminated, the core problem of shear damage of the water stop in the traditional technology caused by the settlement difference is solved from the root, and a leap from "passive deformation adaptation" to "active deformation control" is realized.

The present application relates to geological exploration engineering technical field, especially a new hydrological drilling water stop process of water stop strip and rubber torus, including through the rubber torus of the outer wall of the fine well wall pipe is equipped with, and the outer wall of the thick well wall pipe is welded on the steel tray above the reducing joint, the support framework of the hollow inside is built on the top of the steel tray, and the annular strip is coiled between the rubber torus and the steel tray, and the sealing structure is made.The annular strip absorbs water and expands, and the steel tray and the rubber torus jointly constitute a physical constraint framework, which guides the annular strip to radially extrude the hole wall.The process solves the problems of easy erosion and sealing failure of traditional materials in high permeability stratum, and improves the authenticity of the data of layered pumping test.

This invention relates to the field of flood control equipment, specifically to an automatically lifting and lowering water-stopping device. It includes a ground foundation, a float slidably mounted vertically on the wall of a strip groove a, a water-stopping plate vertically mounted on the float and inserted into the strip groove b, a counterweight mounted at the bottom of the float via a connecting rope, an air chamber located on the side of the counterweight, a water inlet and a through hole a on the ground foundation, and an inflation / deflation assembly for inflating or deflating the air chamber. The assembly inflates the air chamber when the water level is higher than the top of the through hole a, and deflates the air chamber when the water level is lower than the through hole a. The buoyancy of the float is less than the weight of the counterweight. When the air chamber is inflated, the buoyancy of the float plus the buoyancy of the air chamber is greater than the weight of the counterweight. In this invention, the water-stopping mechanism only activates when the water level rises to a certain height, minimizing the impact on passage. Furthermore, when the water level drops, the air chamber deflates, and the water-stopping plate quickly retracts, facilitating rapid passage after the water level decreases.

The application discloses a water stop construction method, which can improve the continuity and strength of concrete at a water stop ridge, prevent the concrete at the water stop ridge from cracking, improve the waterproof effect at the water stop ridge and construction efficiency; the water stop construction method comprises the following steps: constructing a water stop steel plate on a structural layer; constructing an arc-shaped part on both sides of the water stop steel plate, the arc-shaped part is concave in an arc shape, and the arc-shaped part is located at a corner part of the structural layer and the water stop steel plate; constructing a waterproof layer on the surface of the structural layer, the surface of the arc-shaped part and the surface of the water stop steel plate; constructing a leveling layer on both sides of the water stop steel plate; and constructing a bonding layer on the top surface of the leveling layer, and constructing a plate layer on the top surface of the bonding layer.

The utility model discloses a kind of post-cast reinforcing band structures of exempting from to tear down, including structural plate, post-cast strip is reserved between adjacent structural plate, the lateral wall of post-cast strip is provided with two side extensions and makes the cross section of post-cast strip present H shape, iron wire net pocket is arranged between post-cast strip and structural plate, iron wire net pocket is provided with bending net pocket portion corresponding side extension, two bending net pocket portions are arranged as main body net pocket, fiber net is arranged in the bending net pocket portion of downside and main body net pocket inner side, water stop is arranged in the bending net pocket portion of upside two sides, main body net pocket, bending net pocket portion are arranged with several horizontal steel wires, several vertical steel wires are connected between horizontal steel wire, several connecting reinforcing bars are arranged in post-cast strip, several vertical bars are arranged between connecting reinforcing bars of upside and downside, iron wire net pocket is provided with reinforcing bar mesh hole corresponding connecting reinforcing bar, post-cast strip is poured after using iron wire net pocket, and there is no need to tear down, convenient for construction.