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JP3237727U |
To provide a water guide and a sediment removing device for a shield belt conveyor, which prevents ejection, shortens sediment discharge time at the time of ejection, and improves shield construction efficiency. When an earth pressure ba...
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JP7073088B2 |
To provide a soil granulating additive capable of improving a strength of soil (such as cone index), making it difficult for the soil after solidification to become lumpy, making it easy to select unnecessary waste such as vegetation or ...
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JP7067943B2 |
To provide an additive material for soil granulation capable of improving strength of soil (for example corn index), hardly making massive shape of soil after a solidification treatment, becoming easy to select unnecessary waste such as ...
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JP7061887B2 |
To provide a method and apparatus for dehydration treatment of wet earth and sand that can relatively easily dehydrate sewage having a high water content ratio generated at a construction site or the like without the need for conveying p...
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JP7060740B1 |
To estimate and display the progress of the stirring work for a user who performs the stirring work of stirring the material stored in a tank provided in a soil carrier floating on the water surface. A measuring means 111 acquires signal...
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JP7059039B2 |
To provide a high performance, inexpensive and neutral modifier useful as a solidification for solidifying soft weak soil or sludge or enhancing strength, a method for solidifying the soft weak soil or the sludge by using the modifier, a...
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JP7044626B2 |
To provide an energy absorber for solidified soil mixed in a pipe and an installation method of using the same which can more effectively reduce force applied to the energy absorber by solidified soil mixed in a pipe force-fed from a for...
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JP2022038370A |
To provide a sediment pumping device and a sediment pumping method capable of efficiently pumping sediment even when the viscosity of the sediment is high.A sediment pumping device according to one embodiment includes a pipe 2 and a hopp...
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JP7033561B2 |
To provide a self-propelled screen which has both of stability and operability during running.A self-propelled screen comprises: a running body; a sieve device; a first conveyor; a second conveyor of which a posture can be changed to a d...
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JP7031846B2 |
To solve a problem that a large-sized place and control of thickness are required in a stock pile type mixing where temporary placing with a specified thickness is performed, in a situation where mixing by using a special soil mixer need...
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JP6990140B2 |
To provide a manufacturing method of solidification soil capable of manufacturing the solidification soil 10 meganewtons per square meters or more in low cost.A manufacturer of solidification soil performs: (step S101) measuring a plasti...
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JP7004149B2 |
To provide a quality adjustment equipment and a quality adjustment method for efficiently adjusting soil quality.A quality adjusting equipment is provided with moisture ratio measuring devices 11, 21 of soil to be conveyed on belt convey...
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JP6997424B2 |
To provide a soft soil mixing equipment capable of efficiently mixing soft soil such as dredge soil and reformer such as steelmaking slag in a space saving manner.The mixing equipment 3 is configured so that soft soil A, which is supplie...
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JP6997425B2 |
To provide a soft soil mixing equipment capable of efficiently mixing soft soil such as dredge soil and reformer such as steelmaking slag in a space saving manner.The mixing equipment is configured so that soft soil A, which is supplied ...
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JP2021127604A |
To provide a sediment transfer system and a sediment transfer method capable of suppressing adhesion of sediment to an inner surface of a transfer pipe and improving the transportability of sediment.A sediment transfer system according t...
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JP6918547B2 |
To make it easy to carry out chipping work and scraping work to cement improved soil even immediately after or even after a lapse of several months after manufacturing the cement improved soil without adding a retardant.A granulating age...
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JP2021116587A |
To provide a sediment transport method capable of improving transportation efficiency of sediment including a coarse-grained fraction such as sand without increasing cost.A sediment transport method of transporting sediment including a c...
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JP6894746B2 |
To provide a method for managing fluidized soil that can be easily managed to target performance using raw material soil obtained by mixing natural ground components and components different in density from the natural ground components....
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JP6893796B2 |
To provide a self-propelling type processor which is easy to be cleaned.A self-propelling type soil improver 1 is equipped with a vehicle body 2; and an air compressor 300. The vehicle body 2 has a raw material soil hopper 13, and a mixe...
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JP6887337B2 |
To provide a transportation method which can suppress earth and sand from adhering to an inner surface of a transportation pipe.A transportation method of earth and sand is a transportation method of transporting earth and sand in the in...
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JP6887336B2 |
To provide a transportation method which can suppress earth and sand from adhering to an inner surface of a transportation pipe.A transportation method of earth and sand is a transportation method of transporting earth and sand in the in...
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JP6885681B2 |
To provide a method for determining a maximum particle size of excavation muck to perform treatment of insolubilization efficiently and sufficiently when harmful substances (heavy metals and the like) contained in excavation muck are ins...
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JP6868497B2 |
To provide a shoot type conveying device capable of facilitating installation work with a simple structure, capable of smoothly conveying a conveyed object and surely conveying a conveyed object to a destination.There is provided a shoot...
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JP2021065217A |
To disclose a sludge treatment device for use in the bottom of a pond for use in fishery irrigation work.A sludge treatment device for use in the bottom of a pond for use in fishery irrigation work includes a floating plate capable of fl...
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JP2021062370A |
To provide a method of using an amphoteric polymer flocculant that can be used for improving self-standing and trafficability of fluidic gravel generated by public and construction works.A method of using an amphoteric polymer flocculant...
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JP6854211B2 |
To provide a conveying method capable of preventing earth and sand from sticking to the inner side of a conveying pipe.There is provided a conveying method for conveying earth/sand present inside a conveying pipe 10. The conveying method...
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JP6853320B2 |
To propose a screw conveyor, a shield excavator, and a soil removal method that reduces the loss of unreacted chemicals by agitating excavated sediment and additives, suppresses the occurrence of spouts, and enables efficient removal of ...
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JP6851882B2 |
To provide a method for producing calcia-modified soil, enabling calcia-modified soil having desired uniaxial compressive strength to be more surely produced.A correlation between a water calcia ratio Xa and uniaxial compressive strength...
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JP2021046758A |
To provide a novel polluted sand removing device capable of decreasing human labor in a removing work of polluted sand existing on a sand layer surface of a slow filter basin and the like.A polluted sand removing device 1 is constituted ...
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JP2021036105A |
To improve a recovery efficiency of solid material or liquid material in a lift system for pulling slurry including mud or solid material or liquid material onto a water surface from a deep water bottom or below the water bottom.The lift...
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JP2021031882A |
To provide a soil separation unit and a separation method, etc. that can separate soil containing contaminants fed into a rotating separator into soil and contaminants such as stones and wood chips very easily and reliably.A soil separat...
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JP2021031952A |
To provide an excavation pumping method and an excavation pumping system capable of reducing the amount of water added to the excavated soil.A excavation pumping method according to one embodiment is an excavation pumping method for pump...
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JP2021031842A |
To save labor of manpower and to secure safety of workers.In an operation control method of a crusher, transmitters are incorporated in a vibration feeder of a movable crusher, a crushing device and a transfer conveyer, a camera with a t...
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JP2021021219A |
To provide a sediment recovery system capable of recovering sediment more smoothly.A sediment recovery system 1 recovers sediment S. This sediment recovery system 1 includes: a suction device 10 for sucking air; a base end side hose 20 c...
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JP6823400B2 |
To provide a fluidized soil prepared with various types of soil generated at a site, a preparation method and a pressure-feeding method of the fluidized soil, capable of at least ensuring satisfactory pressure-feeding and a pressure-feed...
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JP6808373B2 |
To provide a treatment method to be applied in the case excavation muck contains heavy metals and the like, for insolubilizing heavy metals and the like contained in the excavation mud, efficiently and sufficiently.A treatment method of ...
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JP6773409B2 |
To provide a desalting method and an improvement method capable of efficiently performing desalting regarding cohesive soil or the like small in water permeability.Provided is a desalting method for cohesive soil comprising: a step where...
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JP6765159B2 |
To improve work efficiency without damaging an underground buried object in a trial digging work.A trial digging device 2 comprises a hydraulic backhoe 6, and a trial digging attachment 7 attached to a tip of an arm 6c of the backhoe. Th...
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JP6739815B1 |
To provide a dredging system in which heavy metal components are removed or insolubilized without significantly changing the water quality, water is recirculated to a reservoir, and bottom mud is collected as potting soil. In this dredgi...
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JP6717498B2 |
To provide a soil improvement device that enables soil to ve improved and strength to be added readily, or moisture to be added and an adjustment to be made readily, so as to respond to a recent need on excavated soil improvement for eff...
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JP6692973B2 |
The invention discloses an ecological restoration system for a river. The ecological restoration system comprises a sludge treatment device and a server, wherein the sludge treatment device comprisessludge sucking devices, a sludge trans...
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JP6692669B2 |
To provide a device and method for reducing moisture content ratio of sediment having improved efficiency of reducing the moisture content ratio of sediment.A sealing member 10a of a moisture content ratio reduction device 1a is attachab...
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JP6689429B1 |
To reduce the cost of recycled soil having a required particle size without using a conventional sludge solidified product on a flat ground and loosening it with a backhoe or the like, and without using a particle size separating device ...
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JP6679030B1 |
To modify mud such as mixed earth and sand containing an anionic surfactant or an anionic thickener, bentonite and the like into self-supporting earth and sand by adding a polymer flocculant. It is possible to solve the secondary problem...
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JP6681507B1 |
To provide a batch type soil reforming system and a soil reforming method capable of accurately setting the addition amount of a modifier without causing poor mixing of the modifier with respect to the soil. A batch type soil reforming s...
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JP6679685B2 |
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JP6658718B2 |
To provide a modification method of dredge soil by mixing an iron steel slag, capable of modifying the dredge soil to property exhibiting sufficient strength without selecting the iron steel slag depending on physical properties of the d...
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JP6651945B2 |
To provide a soil qualities division device and a soil qualities division method which can efficiently and precisely divide the qualities of a soil to be used for a specific purpose.A soil qualities division device A1 includes: a moistur...
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JP6635508B2 |
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JP6634183B1 |
To provide a soil reforming system and a soil reforming method capable of suppressing the occurrence of poorly reformed soil while using an appropriate amount of reforming material according to the weight and water content ratio of the s...
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