膨土 的英文怎麼說
中文拼音 [péngtǔ]-
The result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash
試驗結果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。If magnitude of expansive stress caused by adscititious magnesia is too large, or its distribution is not uniform, it trends to damage the structure of cement concrete, and then affect seriously dam durability
如果氧化鎂混凝土膨脹量過大或不均,都將破壞水泥混凝土結構,影響耐久性,甚至局部崩裂造成安全事故。For thirty years, the institute has been engaged in geological prospecting for alunite, illite, pyrite, bentonite, fluorite, phosphate rock, sericite etc, has completed and submitted more than 70 geological reports
該院對明礬石、伊利石、硫鐵礦、膨潤土、螢石、磷礦、絹雲母等礦進行了綜合找礦,綜合評價,先後提交各類地質報告70餘份。Yh bentonite for artesian well and civil engineering
Yh鉆井和土木工程用膨潤土Introduction : yh series of artesian well has a good lubricity, floatability and rheopery. it plays an important role in protecting the wall of the well, and it also can be used in the aspects of oil field artesian well and oil base unfreezing slurry
介紹: yh系列鉆井用膨潤土具有良好的潤滑性,懸浮性和觸變性,能有效地起到保護井壁的作用,可用於油田鉆井,油基解卡泥漿等方面Bentonite is an expandable three-layer clay mineral.
皂土是一種可膨脹的土層粘土礦物。If more bentonite clay is used, the lead temperature must be decreased.
如果多用膨潤土,鉛的溫度必須降低。The moving current is white and opaque due to the use of a bentonite solution.
由於採用膨潤土溶液,流動的異重流為白色不透明的。Treatment of pb2 wastewater by acid - modified bentonite
酸改性膨潤土處理含鉛廢水Purification of bentonite from guangfeng in jiangxi
廣豐膨潤土提純工藝的優化研究Dealing with the wastewater of f - with cr3 bentonite
改性膨潤土處理含氟廢水的研究To improve the binding strength between the deck slabs and deck surfacing layer of badong changjiang river highway bridge and to provide the surfacing layer with anti - cracking ductility, a series of technical measures has been taken in the construction of the deck surfacing of the bridge, including those of embedding binding reinforcement in the deck slabs, spraying inorganic binding agent between the slabs and layer, replacing part of the cement with micro expansion agent and adding appropriate amount of polypropylene fibers to the concrete
摘要巴東長江公路大橋橋面鋪裝,通過採取預埋橋面粘接鋼筋、噴塗無機界面粘結劑、用微膨脹劑替代部分水泥、在混凝土中摻入適量的聚丙烯纖維等措施來提高橋面板與鋪裝層間的界面粘結強度和給橋面抗裂增韌。The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high
本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討,在合理的假設前提下,採用「齡期調整的有效模量法」得到的混凝土的本構關系,推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式,並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。Soil - water characteristic curves of gaomiaozi bentonite
高廟子膨潤土的土水特徵曲線A study on soil water characteristic curve of expansive soil
膨脹土土水特徵曲線的研究The cyclo - hoop effect which steel tubular has exert to the concrete shows the character of heterogeneous in the arch rib section, the same to the axial direction. the paper verifies the change of the material poisson ration and the concrete grade will make the cyclo - hoop effect obvious alteration, the change of the cyclo - hoop effect and the stress redistribution of the section produced by the shrinking and creeping of the concrete and the expensive concrete on the section
在鋼管混凝土拱肋斷面上,鋼管對內填混凝土的環箍效應具有非均勻性,在拱軸方向上環箍效應也呈現非均勻性。驗證了材料的橫向變形系數、混凝土標號等參數的變化將引起環箍效應的明顯改變;混凝土的收縮、徐變和膨脹混凝土的應用導致鋼管混凝土的環箍效應發生變化並使截面的應力發生重分佈;並總結了其變化的基本規律。The decoloring technology of the edible rap seed oil and the activation of bentonite are also studied
在此基礎上,初步探討了膨潤土的活化和對菜油的脫色工藝。Preparing a decolorizing material with grains formed by bacterial cells immobilized on bentonite base
膨潤土基固定化細胞顆粒材料的研製Taking the brown alumina powder and french chalk as the refractory, the silicasol and dextrin as the composite binder, the western bentonite and sodium carboxymethyl cellulose ( cmc ) as the composite suspension agent, the optimum mixing ratio of the water - based coating was established by the method of orthogonal experiments
摘要選用棕剛玉粉及滑石粉為耐火填料,以硅溶膠及糊精為復合粘結劑,以鈉基膨潤土和羧甲基纖維素鈉( cmc )為復合懸浮劑,通過正交試驗方法確定了最佳配方。Geotechnical investigation and testing - field testing - part 11 : flat dilatometer test iso ts 22476 - 11 : 2005 ; german version cen iso ts 22476 - 11 : 2005
土工勘察和檢測.現場檢測.第11部分:扁平膨脹儀試驗分享友人