粗骨土 的英文怎麼說
中文拼音 [cūgǔtǔ]
粗骨土
英文
regosols-
The elementary idea of the reference units method can be described as follows : firstly, by the setting of double series of reference units, we can control the highest and lowest land quality class of each village or town ; secondly, the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area, the difference in quality is the key factor to classify the land. the results show, 87. 6 % of the lands from i to iii distribute on alluvial and lacustrine plains, where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones. and 61. 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits
分等結果表明:臥龍區等的耕地中,有87 . 6分佈在沖積、湖積平原區,主要土壤類型是在河流沖積物上發育形成的灰潮土、在湖相沉積物上發育形成的砂姜黑土;等耕地中,有61 . 4分佈在壟崗區,主要土壤類型是洪坡積物上發育形成的黃褐土:而、等耕地集中分佈在丘陵區,主要土壤類型是殘坡積物上發育形成的粗骨性黃褐土,等別結果分佈總體上體現了不同地貌類型、土壤條件下耕地質量的差異。In the same time, according to the fracture test results, the influence mechanism of aggregate size on fracture toughness of adherence of new and old concrete is discussed and analyzed, which is verified by manse of the fractal theory
同時根據新老混凝土粘結斷裂試驗結果,分析了粗骨料最大粒徑對新老混凝土粘結斷裂韌度的影響機理,並用分形理論對影響機理進行了驗證。Concrete is the composite multiphase material made up of stones and ossified cement grout
混凝土是一由粗骨料和硬化水泥沙漿組成的多相復合材料。The experiment determined the fracture process and the parameter of the fracture properties of two different aggregate concrete and recorded the stable whole fracture curves of boulder concrete and crushed stone concrete separately, which are determined through three - point - bending method and wedge - split tensile method
測定了兩種粗骨料混凝土的斷裂過程及斷裂特徵參數,分別記錄了兩種試驗方法測定的卵石混凝土和碎石混凝土的斷裂全曲線。Being lightweight aggregate, the chemical mineral constituents and physical mechanics properties of lytag are analyzed. meanwhile properties of haydite concrete using lytag as coarse aggregate are also studied. the influences on lightweight concrete qualities by introducing wollastonite and chemical admixtures are researched which proves the important roles of wollastonite and admixtures in construction of concrete platforms
分析了作為輕骨料的粉煤灰陶粒的化學、礦物成分和物理力學性能以及用它作為粗骨料配製出的輕質混凝土的各項特性;研究了摻入硅灰和減水劑等外加劑對混凝土的強度、耐久性和新拌混凝土可工作性的影響;說明了硅灰和化學外加劑在海洋平臺混凝土施工中不可或缺的作用。The stress induced electrical current changes with stress changing. the sensitivity of cfrc and plain concrete depends on their component, loading condition and the method of measurement. the study on mechano - electric effect of hardened cement paste provides a new method to make smart concrete structures. according to nonequilibrium thermodynamics, a mathematical model on the relatrionship between strain gradient and electric potential gradient is presented
研究表明,碳纖維混凝土(粗骨料)的電阻隨所受荷載的變化而變化,不同組成混凝土的力電機敏特性不同,力電機敏特性可望用於混凝土結構的應力診斷,從而為智能混凝土結構的實現開辟了新的途徑。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 experimental results show that there are few differences in the mechanical properties between normal concrete slabs and lightweight aggregate concrete slabs which are made by haydite as coarse aggregate. at the same time, the haydite concrete proved that it is available in practice
試驗研究結果說明,以南寧市福民節能保溫陶粒製品廠生產的陶粒作粗骨料的輕質混凝土板,其受力性能與普通鋼筋混凝土板沒有什麼差別,可以用於工程實際。Secondly, the workability, the ( cube ) compressive strength, the cylinder compressive strength, the drying shrinkage and the modulus of elasticity of the recycled coarse aggregate concrete, were studied in systemly in this paper
其次,系統的研究了再生粗骨料混凝土工作性、 (立方體)抗壓強度、稜柱體抗壓強度、干縮變形、彈性模量,並詳細分析影響再生粗骨料混凝土工作性、強度、干縮變形的因素。The design strength of the new concrete is c40, which adopts 525 # common portland cement, the sand is middle wide river - sand, the radius of coarse aggregate is 10 - 30mm. the surfaces of the old concrete which are harnessed are divided into i, ii, iii three type faces
Znfl , ao新混凝土設計強度等級選用c40 ,採用525 』普通硅酸鹽水泥,砂是中粗河砂,粗骨料的粒徑為川30mm 。老混凝土表面處理后的表面分為1型面、 11型面、 ill型面三種類型。The cold resistance and the water permeability resistance of the recycled coarse aggregate concrete were also test. the principle and the influencing factors of the drying shrinkage, the freeze thaw action and the water permeation action of the recycled coarse aggregate concrete were briefly narrated
還測試了再生粗骨料混凝土的抗凍性和抗滲性,簡要敘述了再生粗骨料混凝土干縮變形、凍融作用、滲透作用的機理以及影響因素。Despite the same tpyes of soils in this region ( the majority is dry red soil ), different types of soil parent materials / rocks imposed an important influence on soil infiltration due to soil degradation such as the removal of soil material and appearance of gravels / rock fragments. as a result, plant growth is closely related to the types of rocks
盡管該區不同的母質母巖發育形成相同的土壤一簡育干潤富鐵土(過去稱燥紅土) ,但母質母巖特性卻對植被生長有明顯的影響,其主要原因是土層淺薄化、石質粗骨化使土壤受巖性特徵深刻制約,導致不同土壤?母質?母巖系統表現出顯著的滲透性差異。Some respects of self - compacting high - strength concrete ( schsc ) made of fujian province ' s local material have been studied in this thesis as follows : 1. studies on microstructure of the schsc. three different mixed schsc and one normal high - strength concrete ( nhsc ) were observed by the scanning electron microscope at different sites and different ages of 1 day, 3 days, 7 days, 28 days and 60 days. from the test, the effects due to no vibrating and admixture on the microstructure of schsc were studied
通過四組強度等級相當,分別為普通混凝土、兩組不摻膨脹劑的自密實混凝土(其粉煤灰的摻量不同)和摻有膨脹劑的自密實混凝土,在同一養護齡期的條件下( 1天、 3天、 7天、 28天和60天) ,分別選擇粗骨料過渡區、細骨料過渡區、水泥石和砂坑作為觀測點,採用sem進行細觀掃描對比實驗,以研究自密實混凝土因免振搗的特性及摻合料對其骨料界面和水泥石結構的影響。Firstly, the environment harm of the waste rock is studied ; secondly, we research the physics and mechanics property of the waste rock of the dabagou tunnel and get the physics and mechanics property index of waste rock ; thirdly, after comminuting the waste rock and compounding concrete as coarse aggregate, we make the comparison between it and the songshan stone in the fuxin building market at present, it proves to possess extension application value ; fourthly, on the foundation of it, we utilize waste rock as coarse aggregate to compound high strength concrete, steel fiber high strength concrete, polymer cement concrete, asphalt concrete by uniform design and research their mechanics property index by experiment
首先闡述了排矸石對環境產生的危害,其次對大巴溝隧道排矸石的物理力學性質進行了試驗研究,獲得了排矸石的物理力學性能指標。將排矸石粉碎后,作為粗骨料配製成混凝土,與目前阜新建築市場上所用的松山石子進行比較,證明其具有推廣應用價值。在此基礎上,利用均勻設計法,將排矸石作為粗骨料配製成高強混凝土,鋼纖維高強混凝土,聚合物水泥混凝土,瀝青混凝土,通過試驗測定其力學指標,獲得了各種排矸石混凝土的優化方程和最佳配合比。In light of great harm from alkali - aggregate to concrete, the alkali activation of the limestone to be used as the aggregate for the concrete in the construction of zhangfeng reservoir is fully tested with petrographic method, accelerated mortar bar method and autoclave expansion test etc., so as to ensure the durability of the anti - abrasion concrete therein
摘要堿骨料對混凝土的危害很大,為保證抗沖磨混凝土的耐久性採用巖相法、砂漿棒快速法、壓蒸法等4種方法對陽城下川灰巖進行檢驗,以充分揭示張峰水庫混凝土粗骨料是否存在堿活性。Method of test for variability of freshly mixed concrete by measuring mortar and coarse aggregate contents
通過測量灰漿和粗骨料含量測定新拌混凝土變化性的試驗方法Technology of non - damage test for concrete intensity is extensively applied in project testing, as a precise and direct approach. accordingly, the test in this essay makes use of average concrete samples made up of commo - n raw material in boutou, and adopt comprehensive method of ultrasonic elasticity to test the concrete used within one year in boutou. through the regression analysis, we get the regression equation of anti - intensity of these two materials under the given conditions. according to the result, we establish the accurate curve line for comprehensive method of ultrasonic elasticity and provide practiced and non - damage testing approach and calculating method for concrete intensity test and reference for testing staff concerned
混凝土強度無損檢測技術作為一種簡便快捷準確的測強技術在工程檢測中得到了廣泛的應用,鑒於此,本次試驗通過採用包頭地區常見原材料製成的一定批量常見齡期的不同種類(指混凝土試塊中的粗骨料、混凝土強度等級不同)普通混凝土標準試塊,採用回彈?超聲綜合法對包頭地區齡期不超過一年的現場混凝土進行了大量的試驗,並利用回歸分析,給出兩種骨料混凝土在相應測強條件下的立方體抗壓強度回歸方程,根據實驗結果建立包頭地區精度較高的混凝土回彈?超聲綜合法基準測強曲線,為實際工程的混凝土現有強度評定提供簡單易行的無損測試方法和計算方法,供有關檢測人員參考使用。The study content includes the abrasion resistance performances of the aggregate and the characteristics of powder, and the effects of the coarse aggregate coated by powder on the mechanic performance, anti - permeability and frost - resistance capability of concrete by using the blended aggregate of rcc with different powder content
通過對粗骨料抗磨耗性能、物理性能及裹粉性能進行研究,使用不同裹粉含量的粗骨料拌制碾壓混凝土,分析了粗骨料表面裹粉對碾壓混凝土力學性能、耐久性能的影響。Lastly, universal laws about the workability, the dynamical property, the deformation property and the durability of the recycled coarse aggregate concrete, and about the characteristic performance of recycled coarse aggregate were summarized in this essay
最後,文章歸納總結了有關再生粗骨料特徵性能以及再生粗骨料混凝土工作性、力學性能、變形性能、耐久性的普遍規律。According to the demands of sustainable development of construction field, the performance of recycled coarse aggregate concrete, produced with crushed waste concrete, one of the most of waste building materials, was studied in systemly in this paper
根據可持續發展對建築業的要求,本文對建築材料廢棄物排放量最大者之一? ?廢棄混凝土破碎后所配再生粗骨料混凝土的性能進行了系統的研究。分享友人