破土劑 的英文怎麼說
中文拼音 [pòtǔjì]
破土劑
英文
soil-fracturing agent-
The research overcomes the shortcomings of primers in common use, and breaks through the traditional astriction of absence of chemical bond between new and old concrete. both macrostructure and microstructure as well as bond mechanism was discussed and some further research advice was put forward
本研究克服了以往的界面劑僅能改善界面層宏觀或微細觀結構的缺點，突破了新老混凝土粘結層主要依靠范德華力提供界面粘結力而幾乎不存在化學鍵作用的缺點。Say the jungles in brazil - the environmental abuse there. the destruction of the forest there, the rain forest. the land, it s being defoliated and that results in floods
在巴西叢林里，也有環境濫用的問題，他們破壞那裡的雨林區，在土地上施放落葉劑造成水災，這和人口過多的問題也有關系。Look at the jungles in brazil, the environmental abuse there, the destruction of the forests there, the rain forests. the land is being defoliated and that results in floods. and these are not unrelated to the problem of overpopulation
在巴西叢林里，也有環境破壞的問題，他們破壞那裡的雨林區，在土地上施放落葉劑造成水災，這和人口過多的問題也有關系。Application of soundless broken preparation in concrete and steel reinforced concrete demolishment
無聲破碎劑在混凝土和鋼筋混凝土拆除中的應用Reinforced concrete cover removal of filling pile by static breaking agent
利用靜態破碎劑拆除灌注樁鋼筋混凝土蓋帽Demolition of reinforced concrete railway pier by static - demolition agent blasting
鋼筋混凝土橋墩的破碎劑脹裂拆除Construction in winter of the huhhot financial office that is from the twelfth floor to the top, the concrete was mixed with antifreeze and others, heat was produced by the stove from emitting, during the building was discussed the effective measures were taken to prevent concrete from damaging in the low temperature, and the cost was reduced
摘要對呼和浩特市財政局辦公樓12層以上框架主體混凝土工程的研究，摻防凍劑和綜合蓄熱法的冬季施工措施，以及在施工過程中的具體控制辦法，降低了造價，保證了混凝土不被受凍破壞。Principle : it is adoping tattered dose to blend inner place the pouing perforate against water, utilizes such water action to come into being swelling the pressu ` re, by the rock, confuses soil forms piece and so on the brittleness substance distends to crack either cuts
原理：它是採用破碎劑與水混合灌入鉆孔中內，利用其水化作用產生膨脹壓力，將巖石、混泥土構件等脆性物體脹裂或切割。Man dirties the air with gasses and smoke, poisons the water with chemicals and other substances, and damages the soil with too many fertilizers and pesticides
人們通過氣體和煙霧來污染空氣，用化學物質以及其他物質污染水源，還用大量的化肥和殺蟲劑破壞土壤。Measures for further developing concrete mix design were presented based on above work. for example, adopts pfca as an index in designing durability of concrete, uses mortar slump flow test to select cements and water - reducers and to measure saturation dosage of water - reducer in mortar and then determine optimum dosage of it in concrete, uses bar - slump test to determine stability and fluidity of fresh concrete, and consequently, the workability of high fluidity and high stability concrete such as pumped or self - compacting concrete can be designed by adopting proper cfvm determined in terms of rheological properties of designed mortar measured with cone - based rheometer
如採用粗集料破碎率作為耐久性設計的一個指標；採用砂漿坍落擴展度試驗選擇水泥和減水劑，確定砂漿中減水劑的飽和摻量，並通過上述數學模計算混凝土中減水劑的飽和摻量，以此為參照確定最佳摻量；採用障礙坍落度試驗確混凝土的穩定性和流動性，結合由漏斗式砂漿流變儀測定的砂漿流變性能確定合理的砂漿填充系數，從而實現對高流動性高穩定性要求的混凝土（如泵送和免振自密實等）的工作性設計。Much of this damage can be avoided by using corrosion protection systems such as low - permeability concrete, high - performance concrete, corrosion - inhibiting admixtures, epoxy - coated steel reinforcement, corrosion - resistant steel reinforcement, waterproofing membranes or sealants, or combinations of the previously mentioned methods and materials
許多這樣的腐蝕破壞可以採取系列防護措施加以避免，包括低滲透混凝土、高性能混凝土、鋼筋阻銹劑、環氧塗層鋼筋、耐腐蝕鋼筋、防水膜或封閉層等，或者上述方法、材料的聯合使用。分享友人