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Patent Searching and Data


Matches 801 - 850 out of 13,679

Document Document Title
JP2012026113A
To highly accurately manage a compaction state of a top-of-slope part of an embankment.A top-of-slope compaction management device includes compaction means 10, moving means 20, position measurement means 30 and management means 40. The ...  
JP2012026167A
To provide a water-intake mechanism for check dam, simple in structure and readily maintainable, and capable of easily switching between water-intake in a normal state and lodging of a water-intake gutter when clogging occurs due to floo...  
JP2012026104A
To provide a penetration type erosion control dam for which floor slab concrete is protected from an impact due to falling of gravels when debris flow occurs.The erosion control dam 5 includes: a main body 71; a steel column 12 which is ...  
JP2012026120A
To provide a reinforcement technique for keeping the effect of reinforcement over a long period of time.The reinforcement method of a concrete skeleton includes: a step of opening a through-hole 18 on the concrete skeleton 10 and also op...  
JP2012026269A
To provide a thin pump gate which does not hinder opening/closing of a channel by a gate (door body) of a swing type or a miter type gate facility, or elevation of a gate of an elevation type gate facility.A pump gate has one or more gat...  
JP2012021359A
To provide a structurally simple and inexpensive tide protection board device capable of securing high water-tightness by using a lightweight tide protection board with high rigidity.A tide protection board device 1 includes: a pair of m...  
JP4869085B2  
JP4868657B2  
JP4867653B2  
JP2012017628A
To provide a flood flow estimation system and a method capable of geographically and time-sequentially simulating an increase and a decrease in the flood flow in a downstream area caused by an overflow or a washout of a natural dam.The p...  
JP2012018130A
To provide a diameter measuring device capable of highly precisely and stably measuring the diameter (the dimension of an outer diameter) of a streak material and the like submerged in water, for performing an opening/closing operation o...  
JP3173213U  
JP4861212B2  
JP4863965B2  
JP4861708B2  
JP4863215B2  
JP2012012820A
To provide divided individual blocks to constitute a caisson, which can be assembled into an individual block at a site within a short time, preventing water leakage from a junction, reducing a construction period required for assembling...  
JP2012012907A
To provide a dam measurement data evaluation method capable of more accurately detecting at an earlier stage whether or not a change in a dam requires a measure such as a repair work to be taken.In a dam measurement data evaluation metho...  
JP2012014622A
To reduce operator's loads and to achieve operation of a water level management system in an unsteady state without depending on an experienced operator by acquiring weather information and river upstream information which are necessary ...  
JP4856483B2  
JP4855601B2  
JP2012007313A
To provide a water intake device enabling an effective use of river water without exceeding a predetermined amount of water intake.The water intake device comprises: a water intake body 11 fixed to a water channel and having a passage in...  
JP2012001927A
To eliminate harmful influence on a position adjustment bolt when fixing a door stop.The present invention relates to a hardware 4 which faces a reservoir side concrete surface 1a of a dam weir body 1, where an underwater cofferdam insta...  
JP2012002028A
To provide a cut-off door excellent in durability (weather resistance, corrosion resistance).A cut-off door 10 comprises a plurality of main girders 6, 6,... provided in parallel with one another, a plurality of vertical girders 7, 7, 7a...  
JP2011256535A
To enable inspection and operation of a lifting device prepared in a conduit for lifting and lowering a scouring gate with the scouring gate closed.There are provided a scouring gate 41 capable of vertically movable with respect to a con...  
JP4835903B2  
JP4836155B2  
JP4836154B2  
JP4837773B2  
JP4836156B2  
JP2011247079A
To provide a protective structure of an erosion control structure, which facilitates the attachment and replacement of a protective member protecting the upper surface of a steel frame structure and has high durability.The protective str...  
JP2011245453A
To provide a water-stop agent for water-impervious sheets which does not require to be warmed and is handled easily.The water-stop agent is used for repairing a damaged portion of the water-impervious sheet laid on the ground and is a ur...  
JP2011246990A
To provide a door body raising/bringing-down operation device of a floating body type derricking gate, which is capable of forcibly raising/bringing down the door body of the floating body type derricking gate, securing a tension state a...  
JP4829642B2  
JP4829861B2  
JP4833154B2  
JP4829859B2  
JP4834017B2  
JP4829862B2  
JP4831597B2  
JP4829860B2  
JP4831382B2  
JP4834018B2  
JP2011241670A
To provide a master-slave gate opening and closing device that allows a master gate and a slave gate to lift separately and the master gate to lift rapidly without damaging the slave gate.A master-slave gate opening and closing device is...  
JP2011241543A
To solve a problem with supplying air to a door body through an air tube arranged inside the door body.The present invention is a floating type flap gate 11 where a door body 12 is risen by supplying air to the same in a manner that a ti...  
JP4827488B2  
JP4825192B2  
JP4825711B2  
JP2011236654A
To provide a construction method of a cofferdam and the cofferdam, capable of easily corresponding to a construction site having a large width, with excellent workability at low cost.A construction method of a cofferdam 1 during redevelo...  
JP4823196B2  

Matches 801 - 850 out of 13,679