1023results about "Dykes" patented technology

A flood control system, in one aspect involving providing a plurality of substantially rigid containers, at least some of the containers having a top portion, a bottom portion and substantially rigid sidewalls operably connecting the top and bottom portions, the sidewalls being configured to withstand compressive forces between the top portion and the bottom portion; and positioning the plurality of substantially rigid containers at a selected location proximate a body of water, at least some of the substantially rigid containers being positioned at the selected location in a substantially abutting relationship to form a barrier.

The invention relates to flood protection comprising a plurality of fillable sacks made of flexible fabric material, with mutually adjacent coupling sides of adjacent sacks being connected to one another in a coupling region and with at least one stiffening structure being associated with each coupling region and extending from the base region of the sacks up to their upper marginal region.

Sediment control devices and systems are provided. The device generally includes a core made up of granular material encased within a puncture resistant fabric, a compressible layer enwrapping the core and a geotextile fabric outer casing. A plurality of such devices provide a system for controlling erosion and sedimentation.

A reinforcement element, comprises at least one sensor fiber adapted for strain measurements based on stimulated Brillouin scattering within said sensor fiber. Furthermore, a system for monitoring strain within a structure comprises a reinforcement element comprising at least one sensor fiber adapted for strain measurements based on stimulated Brillouin scattering within said sensor fiber, a pump laser for coupling in laser radiation of a pump frequency into said at least one sensor fiber, a Stokes laser for coupling in laser radiation of a Stokes laser radiation into said at least one sensor fiber, wherein the pump frequency and the Stokes frequency are different from one another and wherein the frequency difference between the pump and Stokes frequencies is within the range of acoustical phonons within said sensor fiber, a sensor adapted to obtain a stimulated Brillouin backscattering signal, and a network analyzer adapted for determining the complex transfer function of the sensor fiber to determine a spatially resolved strain measurement.

A device and method for stabilization of beaches and building walls, patios and similar simple structures consisting of blocks with trapezoidal or rectangular shapes which have staking or interlocking means of interconnecting blocks and where the top has an open area allowing fill by slurries of water and sand, gravel or clay and the escape of clarified water during and after filling.

The invention relates to an automatic water stop device which comprises a face plate (1), a hinged base (3) and a base (5). The hinged base (3) is arranged at one end of the base (5), one end of the face plate (1) is hinged to the hinged base (3), the other end of the face plate (1) can perform arc rotation along the hinged base (3), and a water inlet-outlet hole (51) is formed in one end of the base (5). The automatic water stop device further comprises a floating plate (2). The floating plate (2) is arranged on the face, close to the base (5), of the face plate (1). When water enters the base (5) from the water inlet-outlet hole (51) or space above the base (5), the floating plate (2) can drive the face plate (1) to upwards rotate along the hinged base (3) under the effect of floating force of the water. According to the automatic water stop device, external-force driving is not needed, the water is automatically stopped, and the automatic water stop device is simple in structure, low in cost and easy to install.

A water-fillable flood control device is provided that consists of a waterproof bag with a friction causing outer surface and having a mouth that can be closed with a waterproof seal after filling the bag with water. The bag can be filled by one person at a flood site using a filling/form sleeve and locally-available water. It is not necessary to fill the bag with sand, or add chemicals. The friction causing surface may be achieved by any means or method so long as the purpose is to hold the device in place for facilitating the stacking of a plurality of devices on top of each other to form a stable water control structure without the need for external supports.

The use of water soluble product in construction that is at least partially encapsulated by a water resistant membrane layer, particularly, the use of phosphogypsum, preferably leached phosphogypsum, that is at least partially encapsulated by a geomembrane layer, thus enabling the use of phosphogypsum as a construction material.

The water permeable and soil keeping wall is one wall formed with longitudinally connected blocks, which are longitudinal sections including top side with raised middle part, bottom side and two end sides and are downward horn. The blocks are laminated vertically to form wall with water permeating gap between each two blocks. The water permeable and soil keeping wall has excellent water permeating and soil retaining performance and has various kinds of application.

A damming device for forming a liquid-damming protective bank comprises at least one first board (1), in the active state laying, intended to be urged by the liquid against the surface and thereby anchoring the device, as well as at least a second board (2), in the active state up-right, intended to dam the liquid. There are liquid-draining means (5) on the bottom side of the anchoring board (1). Devices (9, 9') act between the two boards (1, 2) with the purpose of inhibiting tilting of the damming board (2) from the active position in the direction towards the dry the side, when liquid simultaneously affects the anchoring board (1) with a vertical force and the damming board (2) with a horizontal force.

The invention relates to a method for river course slope protection by using composite stream constructed wetlands, comprising the following steps that: (a) grass planting ditches with V-shaped cross section are dug on a slope surface, and plants are planted in the grass planting ditches; (b) a composite stream constructed wetland in which fillers are provided is set at the water outlet of the grass planting ditch, and one or more plants selected from reeds, cattail, sedge, Sparganium, Juncus, canna, metasequoia, calamus, Scirpus tabernaemontani, arrowheads, Aponogetonaceae grass, Alternanthera sessilis, cress or sedge are planted on the fillers; (c) a water outlet pipe is arranged at one side of the composite stream constructed wetland adjacent to the river course so that water flowing from the composite stream constructed wetland is drained into the water course. The method for river course slope protection by using composite stream constructed wetlands has the advantages of good stability of slope protection to water courses, little damage to ecological environment keeping at both sides of rivers, capability of beautifying riparian landscape and adding biological diversity, low cost and favorable pollution interception and purification effects.

Berms for use with protective liners are disclosed. The berms may be configured to allow vehicular traffic to pass over the berms without causing damage. Such drive-over berms may be rigid and shaped to allow vehicle tires to pass over them, or may be resilient and collapsible such that they collapse when subjected to the weight of a vehicle tire, and then spring back to shape after the vehicle passes. Also disclosed are berms that may be stacked for storage and transportation purposes, and berms that include connectors for connecting multiple sections of the berms end-to-end.

A modular berm system and method for installing the berm system about a containment area are provided. The berm system is formed by interconnecting a plurality of panels in an end-to-end arrangement. Corner pieces which enhance the modularity, stability and rigidity of the berm system are also provided. A continuous liquid barrier liner overlies the containment area and the supporting perimeter of panels. The liner blocks any discontinuities between panels. Discontinuities can be overlapped with flaps for protection of the liner.

The method of the present invention results in a secondary containment area for above ground storage tanks. The method involves leveling the site, laying a foundation bed, building a retaining barrier around the site, covering the foundation bed and retaining barrier with a liner cloth, and applying a layer of polyurea to the liner cloth and retaining barrier.

A small-flow river water cleaning and pollution stopping system comprises shore-based ecological beds, relaxation hydrophilic tribunes, ecological filtering beds and diversion rubber dams. The shore-based ecological beds are arranged on two shores of the river and in a slope structure, the shore-based ecological beds and water are separated through the relaxation hydrophilic tribunes, filtering layers are arranged on the side of the shore-based ecological beds, which are in contact with the relaxation hydrophilic tribunes, and a plurality of drainage openings are formed in the bottom of the relaxation hydrophilic tribunes. The ecological filtering beds are arranged in the water of the river and close to the sides of the shores, the middle of the two ecological filtering beds is a central region of the river, and the ecological filtering beds and the river central region are separated by permeable retaining walls and the diversion rubber dams on the permeable retaining walls. The ecological filtering beds are divided into upper and lower layers, filtering material layers are arranged on the lower layers, and soil layers are arranged on the upper layers. The ecological filtering beds are in rectangular or cambered structures and opened towards the river upstream direction to collect water from the upstream.

A water or flood control and containment system is provided having foundations, sealed bases, supporting structure, and pumping system that gives the user control over water containment and movement either to reduce the water hazard or to store water. The bases are secured and sealed to paved surfaces with foundations that have been preset into the street or other prepared foundation. When deployed on multiple adjacent streets, roadway levee creates a compartmented barrier containment system that mitigates flooding and storm surges. The invention is to be removed and stored off site when not in use.

The invention discloses a groove bottom-reinforced fully lined debris flow drainage groove and a construction method thereof. The groove bottom-reinforced fully lined debris flow drainage groove comprises a fully lined drainage groove bottom plate and drainage groove side walls on the two sides of the bottom plate; a plurality of submerged sills which pass through along the drainage groove transversely, are connected with the drainage groove bottom plate, are distributed at intervals, and have a certain effective burial depth are arranged in the foundation and below the drainage groove; the submerged sills at the inlet and the outlet of the drainage groove are deepened submerged sills, and the submerged sills at other positions of the drainage groove are common submerged sills; and the effective burial depth of each of the deepened submerged sills is larger than that of each of the common submerged sills, and the deepened submerged sills extend to the bottom of the foundation of each of the drainage groove side walls on the two sides so as to form a triangular wedge-shaped body respectively. Compared with the prior art, the groove has the advantages of making full use of the bed-reinforcing effect of the submerged sills, reinforcing the bottom of the drainage groove in sections, avoiding danger to the entire drainage groove due to the damage of local drainage groove bottom, guaranteeing the operation safety of the drainage groove adequately, increasing small working amount and saving a large amount of engineering maintenance cost, along with low construction cost.

A structure for diverting fish away from water intakes comprises a porous dike having a bottom portion, a central portion, and a top portion, the top portion preferably being submerged a short distance below the surface, and the central portion having flow passages. In a preferred embodiment, the top and bottom portions comprise solid blocks and the flow passages in the central portion are lined with zebra mussel resistant sleeves to minimize clogging. Preferably the sleeve can be readily replaced as desired.

The present invention relates to hydraulic engineering, and is composite energy dissipating method with pier grating swirl chamber in the estuary of drainage system. The diffusion cell of the present invention includes a water inlet, side walls and a water outlet, and has one first row of pier grating comprising energy dissipating piers in the water inlet and one second parallel row of pier grating comprising energy dissipating piers in the water outlet to form one powerful swirl chamber in between. The present invention has obvious energy dissipating effect caused y hydraulic jump, swirl chamber and energy dissipating piers. The present invention has simple design, easy construction and low cost.

A water barrier device which doubles as a walkway, the device having a base secured to earth proximate a body of water and a plate pivotally connected to the base unit. There is a lifting device connected between the base and the plate for lifting one side of the plate that is opposite the body of water. There is a seal between the plate and the base, and between multiple plates thereby creating a water barrier.

An intelligent temperature control dam, comprising a dam body, a real-time induction machine, a decision support system and a fast regulating machine, wherein the fast regulating machine comprises anindustrial control computer, a plurality of temperature compensation sources, a variable topology pipe network and a wireless base station, and the variable topology pipe network comprises a pluralityof grid multi-pass control units; The decision support system comprises an intelligent decision machine, a rule generation system, a knowledge base, a model base and a database stored on a decision support system server. The invention also provides a temperature control method of an intelligent temperature control dam. The invention grids the temperature control pipeline of the dam and introducesthe grid node, thereby improving the flexibility and pertinence of the temperature control of the dam. Moisture transfer equation and heat transfer equation are introduced to quantify the specific effect of humidity on dam temperature, which improves the accuracy of temperature control. Predicting the disadvantageous factors of dam temperature control in advance, changing the traditional passivetemperature control mode into active temperature control mode, reduces the uncertainty of dam temperature control.

The invention discloses a debris flow gabion prevention and control structural body and a design method of the debris flow gabion prevention and control structural body. The flexible debris flow blocking structural body aims to overcome the defects that an existing permeable dam is limited in water permeability and is cracked and destroyed easily by over large instantaneous impact force. The debris flow gabion prevention and control structural body comprises at least one gabion dam prevention and control structural single body. Each single body comprises a lower steel pipe pile group and an upper gabion dam, wherein the steel pipe pile group is formed by arranging a plurality of steel pipe piles in the transverse direction of a debris flow channel, the lower pile bodies of the steel pipe piles are embedded into a debris flow gulley bed, and the upper portions of the steep pipe piles are exposed out of the gulley surface and are connected with the gabion dam in a penetrating mode. The multiple gabion dam prevention and control structural single bodies are arranged adjacently in the longitudinal direction of the debris flow channel. Through the optimization design, the gabion dam is of a multi-layer structure, each layer of the gabion dam is composed of a plurality of gabion nets, and the gabion nets of each layer are arranged in a staggered mode. The invention further provides the design method of the debris flow gabion prevention and control structural body. The debris flow gabion prevention and control structural body can fully utilize the water permeability of the gabion combined structure and deformation feedback of the gabion combined structure on the impact to achieve a good prevention and control effect.

The present invention relates to a quick diking method and technique on soft foundation. Said invention is characterized by that it adopts the measures of plastic water-discharging plate, earthwork fabric and explosion, etc. to quickly treat foundation; adopts the methods of explosive filling, explosive tamping and light hard-shell dyke and dam, etc. to quickly build dam body; adopts the methods of raw soil pipeline transmission equipment and light hard-shell dyke and dam, etc. to quickly form closed earthwork; and adopts computer technique, finite element analysis and high-effective stereo diking construction method to implement the invented goal of building dyke on soft foundation.

A system and method to create or elevate a berm of a liquid retention facility by placement of lightweight fill material anchored by an impervious liner material(s). The impervious liner material is integral to a water retention system such as a containment system of a retention pond. The system and method can also be used to elevate the liquid retention height of a levee in combination with impervious liner retention material. By constructing the berm system on an existing levee, the effective height of the levee can be increased. The lightweight fill material provides the shape of the berm or levee extension. The liquid impervious liner material provides a watertight surface, the media for joining of the lightweight fill material, and the anchoring of the lightweight fill material to the existing berm or levee structure.

Flood control apparatus are disclosed. In one aspect, a flood control apparatus includes a structural frame. The structural frame has an elongated length in a longitudinal direction. The structural frame includes a plurality of transverse support structures, that are generally aligned in the transverse direction, and that are spaced apart in the longitudinal direction. The structural frame includes one or more longitudinal coupling structures that couple the plurality of transverse support structures together. One or more sheets of material are coupled to the structural frame. When in use, earth may be used to substantially fill an inner region of the apparatus that is enclosed by the one or more sheets of material coupled to the structural frame.

The invention belongs to the technical field of light bricks and particularly relates to a light brick capable of purifying water quality. The light brick capable of purifying water quality comprises a brick casing and a brick core arranged in the brick casing, wherein the brick core is made of activated carbon, and the brick casing is made of sludge, construction waste, potassium feldspar powder, coal ash and cement. The light brick manufactured by a manufacture method thereof is light in weight, has well water quality purifying function, can maintain long-time ecological balance when applied in river barrage building and enables the water to be clear and green.

The invention provides a slope excavation digital construction and quality control method. The method comprises three steps that first, before construction of slope excavation, data acquisition is carried out on an original mountain face, the information including the most excavation depth, the area of a construction area, the amount of excavation is acquired through system analysis, and is inputinto a computer to built a mountain three-dimensional simulation model, and the mountain three-dimensional simulation model is used for providing suggestions for a reasonable construction scheme; andsecond, during construction, excavation form data information is acquired in real time, and is input into the computer, the built mountain three-dimensional simulation model is modified in real time,and constructors can judge whether the construction quality meets the requirements or not according to the simulation model and timely provide and modify a construction method. The slope excavation digital construction and quality control method is a dam building quality control and construction scheme, according to which, during excavation construction of a dam slope, dynamic control is unceasingly carried out on the excavation progress, the excavation image and face, the excavation quality and the like, and it can be guaranteed that a project is built smoothly while the construction speed isincreased.

The invention provides a composite curtain wall for efficiently intercepting pollutants in a farmland surface source. The composite curtain wall is characterized in that a surface plant buffer zone, a plant protection slope, a water collection zone and an anti-pollution curtain wall are arranged in sequence along the direction from a farmland drain outlet to a field drain ditch; the water collection zone is lower than the surface plant buffer zone and the anti-pollution curtain wall in height; the anti-pollution curtain wall is formed by gravel, filled soil or the combination of the gravel and the filled soil, and the shape of the cross section of the anti-pollution curtain wall is trapezoid. According to the composite curtain wall provided by the invention, the pollutants discharged by the farmland can be intercepted and purified through plant absorption and physical absorption filter, the nitrogen and phosphorus pollutants in the farmland surface source can be effectively prevented from entering water body such as a river, and the composite curtain wall has good ecological benefit and the popularization and application value.

The flexible dam capable of elevating on its own buoyancy has the basic structure comprising dam body, foundation, anchor bolts and anchor rope. The dam body consists of light barrels tied to composite rubber-Chinlon canvas and is in one of two forms, the fixed form with lower part anchored to the structural underplate and the movable form with lower part of water resisting rough canvas layer. The movable dam may be constructed fast via assembling and combination and is used as floow controlling coffer dam or emergency son dam. The fixed dam may be constructed in river, lake, reservior, etc, and as tide blocking dam, construction coffer dam, etc.

The invention provides a technology of rapidly constructing a cofferdam by large mud-filled bags combined with sand-filled bags on a soft soil foundation, construction can be conducted directly on the soft soil foundation, and a road, the cofferdam and a block dam can be rapidly formed. The technology mainly includes the constructing steps that a soil engineering soft body row is laid on an original mud surface; a first layer of large sand-filled bags and a second layer of mud-filled bags are constructed sequentially, and the mud-filled bags and the sand-filled bags can be collected from the local area; sand blowing is conducted within two meters of the outer edges of the mud-filled bags, and a third layer of sand-filled bags is constructed; filled mud bag blowing and filled sand bag blowing are sequentially constructed in a cycled mode, and the sand-filled bags are located on the uppermost layer. The gradient ranging from 1: 1.5 to 1: 2 is appropriate. The technology has the advantages that consumption of natural sand materials is reduced, the filled mud can be collected from the surrounding soft soil, the surrounding soft soil is reduced, and the technology is environmentally friendly, rapid, economical and advanced.