sand control measure 中文意思是什麼
sand control measure
解釋
防砂措施-
Control of discharge - sand gate discharge - sand gate adopts electro - hydraulic handspike ; it uses displacement transducer to measure opening of sluice gate ; when opening of displacement transducer is smaller than set point, the electro - hydraulic handspike will open this gate ; when opening of displacement transducer is larger than set point, the electro - hydraulic handspike will close the gate
卸砂門採用電液推桿，由位移傳感器檢測砂門的開度，當位移傳感器檢測的開度小於控制系統的給定值時，電液推桿工作將門開大，當位移傳感器檢測的開度大於控制系統的給定值時，電液推桿工作將門關小。 -
Taking the measure of uncorking on the steel tube and filling water before sand filling, the installation process of sand compaction piles is optimized, the installation parameters and testing rate under the near shore condition are confirmed, and the control and testing methods for the piles ' quality are summarized
採取樁管壁開孔、先灌水后灌砂的方法，優化了水上擠密砂樁的施工工藝；給出了在近岸無掩護、水流急的施工條件下的施工參數和檢驗比率，總結了沉樁定位、高程式控制制、灌砂率等參數的控制措施和檢驗方法。 -
Through analyzing the structure of open caisson, and according to sinking stress principle, the paper introduced in the open caisson construction process sinking, correcting error, survey control as well as peculiar circumstance processing technical measure, such as in open caisson construction the inner - mold for sanding, framework supporting and steel binding, and concrete casting ; in open caisson sinking - control the sand in edge foot inner - mold, sand - pumping sinking, and pressure hydraulic monitor breaking and pressure - blowing sinking by air pressure blower etc
摘要根據下沉受力原理，分析了沉井結構，介紹了沉井施工過程中的下沉、糾偏、測量控制以及特殊情況處理的技術措施，如沉井製作中的填沙內模，模板支設和鋼筋綁扎，混凝土澆注；沉井下沉控制中的刃腳內模沙土，抽沙泵抽沙下沉，高壓水槍破壓、空壓機吹壓下沉等。 -
In this paper, referring to qingju water power station, temperature control analysis and study has been done : study on the match ratio of the concrete and question of modifying of the special fine sand concrete to improve resisting ability of splitting of concrete ; study on the technology of the highly mixed fly ash to reduce the adiabatic temperature rise of concrete ; in case of the condition of resisting splitting to allow, study on the temperature control measure to strengthen and water the size of building, simplify the operational procedure, accelerate the construction speed, economize the expenses of the project
溫控問題成為青居水電站設計和施工的關鍵技術問題。 、本文對水工大體積混凝土溫控問題進行了分析和總結，結合青居水電站閘壩工程，開展溫度應力及溫度控制研究:研究混凝土的配合比及特細砂混凝土『改性問題，提高混凝土的抗裂能力;研究高摻粉煤灰技術，降低混凝土的絕熱溫升:在抗裂條件允許的情況下，研究施工過程中溫控措施的簡化，以加大澆築尺寸，簡化施工程序，加快施工進度，節約工程費用。
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