砂新成土 的英文怎麼說
中文拼音 [shāxīnchéngtǔ]
砂新成土
英文
psamment-
Setenaly according to the analyses from selected profiles, we know that, it is cold and dry in this region during the early holocene when east asian winter monsoon ' s influence is obvious, so, it is a transition period from sand deposit to sandy soil deposit, when the layers become thinner gradually from north to south. during middle holocene, it is warm and humid, influenced evidently by east asian summer monsoon, so, it is an obivious pedogenesis, when there are generally well - developped holecene palaeosol ( so ) from north to south, and the pedogenesis in the south is better than that in the north, the soil is also thicker than that of the north. from late holocene to now, the climate changes to be dry and cold, but its changing scope is smaller than that of last glacial period
2 、就所選剖面分析來看，本區在全新世早期氣候回返，相對較寒冷乾燥，東亞冬季風影響較明顯，此時為沙層堆積向砂質土壤過渡，自北至南堆積的沙粒漸細；全新世中期氣候溫暖濕潤，東亞夏季風影響顯著，此時為明顯的成壤期，表現在自北至南普遍可見發育較好的黑壚土層，且南部的成壤作用比北部好，土壤的厚度也要大；全新世晚期至今，氣候向乾冷方向轉化，但變化幅度遠小於末次冰期。The research is to develop a new material - - - - high performance concrete of hill sand on the basis of practice of high strength concrete of hill sand and knowledge of ultra - fine trass additive by using concrete material in guizhou and mixing fly ash. the research result shows that the flowability, moldability, cohesiveness of high performance concrete of hill sand are significant by comparison with ordinary concrete on mechanical properties, long term properties, and durability
本研究課題是在已成功研製並實際應用的c60高強山砂混凝土的基礎上，結合對微細（超細）活性摻合料性質的理論認識，充分利用貴州當地的混凝土材料，並摻入微細（超細）活性摻合料，研製一種新型的高性能混凝土，即山砂高性能混凝土。Based on some macroscopic evidences gained in actual earthquake fields and on a preliminary theoretical analysis, it has been pointed out that the rayleigh waves should be an essential cause of liquefaction for the fields beyond the epicentral region with saturated sand deposits at shallow depths
（ 4 ）首先介紹了提出rayleigh波是液化主因的背景，基於宏觀震害資料的啟示，提出了rayleigh波可能是造成砂土液化的主要動因的新見解。並用單相介質模型的總應力法，分析了rayleigh波可能產生的應力大小。It is made of sand, cement and lightweight aggregate, etc. some of the lightweight aggregates include pumice, stuff, expanded clays ( haydite ), etc. lightweight aggregate concrete can provide the same strength as the normal concrete with less weight
輕骨料混凝土是一種用量較大的新型混凝土，其密度在850kg m ~ 3至1950kg m ~ 3之間，由粘土陶粒，粉煤灰陶粒等粗骨料以及常用的砂，水泥，水等材料製作而成。The major performances of concrete and mortars, which are mixed with different quantities of expansion admixtures under the same mix proportions, are studied systematically and deeply in this work. sulphoaluminate mixed with a type of new expanding component by use of the composite methods are studied in the laboratory, and some achievements have been obtained. the service conditions, the characteristics and the shortcomings of expansion admixture in the concrete engineering are analyzed and summarized based on literatures, and the expanding mechanism of concrete is discussed
本文試圖從膨脹劑不同摻量研究其對混凝土和砂漿主要性能的影響，進行了一系列宏觀力學性能試驗研究；利用差熱分析（ dta ） 、掃描電子顯微鏡（ sem ）等分析手段對鈣礬石等水化產物的結晶和生成量、形貌特徵進行微觀分析；並採用復合方法摻加新型膨脹組分對硫鋁酸鹽類膨脹劑（ uea ）進行了改性試驗研究，根據多因素模糊綜合評價方法就各類膨脹劑的主要性能進行綜合評價，得出摻加新型膨脹組分pt的膨脹劑性能較優，取得了明顯的效果。Cementitious capillary crystalline waterproofing coating ( abbreviated ccwc ) is a new type of cement - based waterproofing materials, which is characterized by its very good adhesive performance and impermeability to water, self - rehabilitating ability, permanent waterproofing effect, good aging resistance and corrosion resistance, simple construction method and harmless to hunman etc. ccwc consists of ordinary portland cement, quartz sand and reactive substances and other supplementary ingredients, whose reactive substance can permeate into the internal part of concrete structures through water and produce insoluble crystals filling capillary pores or crack of the concret through reaction with cement hydrates and unhydrates
水泥基滲透結晶型防水材料是以硅酸鹽水泥或普通硅酸鹽水泥、石英砂等為基材，摻入活性化學物質而組成的一種新型防水材料。摻入的活性化學物質以水作載體向混凝土內部滲透，與混凝土中未水化的水泥及部分水泥水化產物發生結晶反應，生成不溶於水的結晶體，堵塞毛細孔道，使混凝土緻密、防水。這種防水材料具有粘結力強、抗滲性能好、自愈合能力強、防水效果持久、耐老化、耐腐蝕、易施工、對人類無害等特點。Vibrating grouting method is a new way to treat weak foundation. the sand of foundation is made destructive by vibrating load at first, and as a result its strength is weakened in this destructive area. under the condition of high pressure, the grout is easier to be poured into the foundation
振動注漿是處理軟弱地基的一種新的施工方法，該方法首先通過振動機具的沖擊振動，在砂土地基內形成軟化區，然後利用注漿管將漿液壓入砂土中。One new rotor sand mixing machine is trial - produced successfully by qingdao tianheng machinery co., ltd, which adopts rotor configuration initiated internationally. it can break up clay in sand mixing effectively, which conquers lots of disadvantages of rotor sand mixing machine such as much clay groups ; moreover, it makes advantages of rotor sand mixing machine become more obvious
一種新型轉子混砂機在青島天恆機械有限公司試製成功，該機採用國際首創的轉子機構，可對型砂混制中形成的粘土團進行有效破碎，克服了轉子混砂機混制的型砂粘土團多的缺陷，使轉子混砂機的優點更加突出。This dissertation focuses on the systemic experiments and theoretical analysis on strengthening reinforced concrete beams with high - performance ferrocement. the main research content and achievements can be summed up in the following aspects : 1. experimental study on flexural strengthening of beams with ferrocement : based on the tests of sixty - three beams, the performance of beams flexural strengthening with ferrocement has been tested
本文對採用這種新材料加固的鋼筋混凝土梁進行了系統的試驗研究和理論分析，研究的主要內容和成果如下: 1 .復合砂漿鋼筋（絲）網加固混凝土梁抗彎試驗研究:在63根梁的試驗基礎上，研究了復合砂漿鋼筋（絲）網加固對混凝土梁抗彎性能的影響和作用。The compose, properties, application example and using experiences of new alcohol - based spraying coatings matrix brushing coatings for green sand mold are introduced
摘要論文介紹了粘土濕型砂鑄造新型醇基噴塗塗料的組成結構、性能特點、應用實例和使用經驗。To significantly improve both strength and durability of repair interfacial layer between old and new concrete, two attempts were firstly put forward in this thesis : ( 1 ) a kind of new modified primer would be produced by introducing shrinkage reducing admixture into cement mortar, which may both reduce the shrinkage of the interfacial layer, and lessen the content of large crystal in the repaired interface layer, accordingly, remarkably increase the van der waals force of interfacial layer
為大幅度提高新老混凝土修補界面層的強度和耐久性，本文首次提出並實現兩個設想： （ 1 ）以國產減縮劑為外加劑，配製新型改性水泥砂漿界面劑。該界面劑既能減少界面層宏觀干縮裂縫，又不增加大晶體，使界面層形成密實的微細觀結構，顯著提高粘結界面層內晶體間的范德華力。分享友人