表土處理 的英文怎麼說
中文拼音 [biǎotǔchǔlǐ]
表土處理
英文
surface soil treatment-
Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering
主要考察了老混凝土表面不同處理方式(刷毛面,鑿毛面,劈裂面) 、界面粘結劑類型(水泥凈漿,水泥砂漿, u型膨脹劑水泥漿) 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響,以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明,粗糙度對新老混凝土粘結性能有重要影響,隨著粘結面粗糙度的增大,粘結面劈拉強度不斷增加;界面粘結劑類型對新老混凝土粘結性能有一定影響,在凍融作用下, u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿;凍融循環對粘結面劈拉強度有較大影響,加氣能明顯改善新老混凝土粘結面的抗凍能力。The experiment was conducted to determine the influence of different regulation and control methods of soil moisture, such as plastic film mulching, covering grass under trees, growing grass under trees, irrigating regularly, loosening the soil under trees, on quality of fruit in a non - public nuisance crisp pear garden in the area of old course of yellow river
摘要以45年生酥梨樹為試材,分析測定塑料薄膜覆蓋、樹盤覆草、自然生草、定期灌水、清耕等不同土壤水分管理措施對土壤水分和酥梨品質的影響,結果表明:塑料薄膜覆蓋和樹盤覆草處理中,土壤含水率比較適宜,且變幅較小,有利於果實生長發育和提早著色,提早成熟,產量和品質較好;其它處理中土壤含水率要麼過高,要麼過低,且變幅較大,酥梨的果實品質也比較差。The results showed with the application of coated compound fertilizer, the activities of soil urease, neutra phosphatase, catalase and sucrase were better than compound fertilizer treatment because of the significantly controlled release effects of the coated compound fertilizer
結果表明,在試驗條件下,由於包膜復合肥對養分的顯著控釋效果,它的施用對土壤脲酶、中性磷酸酶、過氧化氫酶和蔗糖酶活性的影響要好於普通肥料處理。And the effects of ballmilling, floatation and weight - selection, acid treatment and heat treatment on the specific surface and adsorbability of the natural minerals have been studied further, especially on diatomite and sepiolite
並進一步研究了球磨、浮選和重選、酸處理、熱處理等前處理對天然礦物的比表面和吸附性的影響,並著重討論了前處理條件對硅藻土和海泡石的吸附性能的影響。To avoid manual labor of chiseling - grossness, in the area of second - stage concrete construction, permanently non - removed metal molding boards nets are used as molding boards of first - stage concrete. substitution joints of reinforcing steel bars for traditional electric welding and usage of equipments for joints of reinforcing steel bars efficiently improve strength of junctions and rate of connecting reinforcing steel bars, and safety of construction and stability of quality, and greatly reduce cost. it ' s possible that three gorges project become top - ranking project in the world by study on systems engineering of high - strength concrete construction
混凝土縫面處理採用高壓水流沖毛技術,大大提高了施工工效,減少了倉面污染;模板工程大量採用定型鋼模板施工技術,提高了壩體混凝土成型質量和工程進度;在二期混凝土施工區域,為免除人工鑿毛勞動強度,採用永久性免拆金屬模板網作為一期混凝土模板;鋼筋連接改進傳統的電焊連接方式,採用大量採用鋼筋接頭機械連接技術,有效提高了接頭強度和鋼筋連接速度,施工安全性大大加強,質量穩定性有效提高,經濟成本大大降低;三峽二期工程持續高強度混凝土施工系統工程的研究,使三峽工程成為名符其實的「世界一流工程」成為可能;三峽二期工程混凝土溫控綜合技術的應用,有效降低了壩體混凝土溫度的產生;混凝土表面處理及裂縫處理技術的應用,提高了建築物的整體性和耐久性。The results showed that straw returning had not significantly increased the content of organic matter except for the treatment b. the treatments of straw - returning had a tendency to decrease the bulk density of soil in a no significant manner, thus increased the porosity of soil
實驗室內對土壤微團聚體的分析還表明,隨著稻草的施入,土壤的微團聚化程度得到了提高,但全量整株還田處理與其它處理之間差異很小。The results show that, after being improved by lime, the high liquid limit soil can be used as subgrade filling of expressway as its liquid limit and plastic index being reduced, the dilatability decreased and the value of cbr increased remarkably
研究結果表明,經石灰改性處理的高液限土,液限與塑性指數均降低,膨脹性顯著減弱, cbr大幅提升,可用作高等級公路的路基填料。Based on nonlinear finite element theory, stress and deformation behaviors are analyzed after ground stabilization and foundation pit reinforcement with deep mixing method. by comparison of the conditions of treatment and non - treatment of two examples respectively, the results indicate that the match ratio scheme used for deep mixing method is more ideal when soft clay is stabilized in this area of fuzhou in the thesis. this scheme not only can fully utilize industrial waste material, but also can economize construction cost
對于加固土的工程特性,本文以非線性有限元理論為基礎,模擬分析水泥攪拌樁加固地基和基坑支護加固的應力和變形情況;通過兩個例子分別在有處理和無處理情況下的對比,利用固化劑最佳摻入比來設計地基處理方案,並運用非線性有限元方法計算出土體內大小主應力的分佈情況以及變形情況,結果表明本文所得出的配合比方案用於深層攪拌樁法來對福州地區軟粘土進行地基加固時還是比較理想的,這樣不僅充分利用工業廢料,還可節約工程造價。Following ancient chinese tradition, mausoleums were built for the dead and a large number of useful household objects were buried with them as a tribute. not surprisingly, a wide variety of burial objects, such as pottery replicas of male and female attendants, livestock, horses and carts, have been found in ancient mausoleums
中國人事死如事生的喪葬觀念根深蒂固,所以對死去的人處理非常隆重,例如給死者造陵墓,埋葬各種不同用途的器物,藉此來表示對死者的尊重,所以出土墓葬中常發現有形形式式的隨葬器物,如侍從俑、牲畜俑、車馬俑等。This paper first present a study on the bond properties of furan resin concrete reinforced with gfrp bars, in which the pull - out test was adopted to investigate the bond performance between gfrp bars and furan resin concrete, compare the bond strength of gfrp bars of different surface disposal and validated the feasibility by test the gfrp bars reinforced furan resin concrete beam. then the paper provides a micro - mechanical model for the splitting failure analysis of gfrp reinforced concrete member and deducted the relation between splitting failure load and parameter of gfrp rod
本文首先對gfrp筋加強呋喃樹脂混凝土及普通混凝土的界面粘結性能進行了實驗研究,對玻璃鋼筋表面採取了三種處理方法,用拔出試驗研究分析了gfrp筋和呋喃混凝土、普通水泥混凝土之間的粘結強度,比較了用不同方法進行表面處理的效果,確定了合適的表面處理方案,並通過對gfrp筋加強呋喃混凝土梁進行了彎曲試驗,進一步驗證了方案的可行性。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。3. based on the bond test for 33 concrete specimens and gfrp and bending test for 15 beams strengthening with gfrp, surface preparation of concrete, type of epoxy adhesives, thickness of adhesives, hardening time of adhesives, cure condition after strengthening are considered, and the effect on concrete structures strengthening with gfrp causing by construction behavior was analyzed. 4
根據gfrp片材加固混凝土結構在施工中常涉及到的一些相關因素,如混凝土基層表面處理情況、所選用的粘結劑類型、塗抹粘結劑的厚度、加固的方式以及養護狀況,進行了33個混凝土試件與gfrp片材的剪切粘結試驗,並進行了採用gfrp片材加固的15根混凝土梁的抗彎試驗,分析了與施工性能相關的因素對gfrp片材加固混凝土結構效果的影響。The primary study contents as follows : acquire the superhigh strength and excellent duration by adoption of the confecting technique of high performance concrete ; reduce the penetrability of color facing layer and extend the fixed number of serve years of color stamped facing layer to a great extent by the basis of the compound optimum principle of materials and the technique of surface managing and coating ; realize onetime quick construction and tridimensional modeling of facing and foundation by printing principle and mould and by using subtly the flowing - changing characteristic effacing layer
主要研究內容有以下幾個方面:採用高性能混凝土配製技術獲得彩色飾面層的超高強度和優異的耐久性;根據材料復合優化原理,通過表面處理和罩面技術,降低彩色飾面層的滲透性,大幅度延長彩色印模飾面的使用壽命;借鑒印刷原理和模具造型並巧妙地利用飾面層的流變特性,實現飾面與基體的一次性快速施工和立體造型。論文的主要工作及研究成果包括以下幾個方面。Abstract : anticorrosive process for the drinkable water container of world is described, and wide - ranging applied epoxy is stressed. the different material, such as steel, cement and plastics container is explained. application of coating : paint designs, paint process, on - the - spot management, after paint handling are illustrated by the aminopolyimide epoxy. the conclusion is that the year of anticorrosive result can reach 5 years with perfect surface process and aminopolyimide epoxy painted
文摘:簡介國內外生活飲用水容器應用塗料進行防腐處理的情況,就其中應用最廣泛的環氧樹脂塗料著重進行說明,根據生活飲用水容器的不同基材,就鋼質容器、混凝土水池和塑料容器的基材表面處理進行了論述,以聚酰胺環氧樹脂為例,從塗裝設計、塗裝過程、現場管理、塗裝后處理等方面對塗料的應用進行闡述;文章認為,只有基材表面處理恰當,採用聚酰胺環氧樹脂進行防腐處理,飲用水防腐效果可以滿足5年以上。The cleavage strength test has been carried out to investigate the effect of pour direction for the strength of specimen without mechanical joint element ; the effect of mechanical joint element for the cleavage strength ; the effect of different materials which were used to embedding bars for the cleavage strength
對比了老混凝土表面處理相同的情況下,不同澆築方位對無機械連接件試件劈拉強度的影響;機械連接件對劈拉強度的影響;不同植筋材料對劈拉強度的影響。At present, the experi - mental research for structures strengthened with cfrp focuses on the bending and shearing etc, but the creep research is limited. aimed at the situation, the paper complete several aspects as following : ( 1 ) long - term test on ten concrete columns with three different surface treatment of coat free, epoxy coated and cfrp sheet wrapped were completed. the creep properties of those concrete columns were studied
目前國內對于碳纖維加固結構的試驗研究主要集中在抗彎、抗剪等短期性能方面,而對其徐變性能研究十分有限,針對這種情況,本文主要完成了以下工作: ( 1 )完成了10個不同表面處理混凝土短柱的徐變試驗,研究了長期荷載作用下不同表面處理軸心受壓短柱的徐變發展規律。The paper designs a set of technics flow of producing recycled aggregates and uses scrap concrete in wuchang vehicle factory to manufacture some recycled aggregates, and researches the basic properties of recycled aggregates such as apparent density, absorption, crush index, compacted density, porosity, etc. and analyses the properties change of recycled aggregates after the respective surface treatment with the polymer and polysilicone waterproofing agents, and then obtains the result that their absorption decreases and their properties improves after recycled aggregates are surface treated
本文設計了一套生產再生骨料的處理工藝流程,並利用武昌車輛廠的廢棄混凝土製備了一定量的再生骨料。對再生骨料的表觀密度、吸水率、壓碎指標、容重和孔隙率等基本性能進行了研究,分析了分別採用聚合物和有機硅防水劑進行表面處理后的再生骨料的性能變化。從而得出經過表面處理后再生骨料的吸水率有所降低,性能有所改善。Ions ( mainly refering to ca2 ', mg2 * and ncv et al., which have higher concentration in soil solution ) in rape rhizosphere with no re and appropriate dose re treatments moved mainly via a diffusion process up to a 3mm distance from the central compartment ( c. c ), and mainly by mass
油菜對照和低濃度稀土處理距根表3mm以內離子(主要指ca 》 、 no 。 w等在土壤溶液中濃度較大的離子)遷移以擴散方式為主, 3mm以外的區域則以質流方式為主。The paper designs some teams of different mix proportion concrete according to the different replacement of the recycled aggregates and fly ash, and researches their working properties and mechanical properties, and analyses influence factors of the working properties and the mechanical properties of the recycled concrete such as the replacement rate of recycled aggregates, the replacement amount of fly ash, surface treatment of recycled aggregates, adding the high range water reducing agents and mineral admixture, etc. the paper researches the durability of recycled concrete as to the sulphate - corrosion resistance, the permeability resistance, the frost - resistance, etc. and analyzes some factors, as to the replacement of recycled aggregates, the replacement of fly ash, the surface treatment of recycled aggregates, adding high range water reducing agent and mineral admixture, bring the influence to the properties of recycled concrete, and analyzes the economic feasibility of the application of the recycled concrete
本文根據再生骨料和粉煤灰的不同取代率設計了幾組不同配合比的再生混凝土,對其工作性能和力學性能進行了研究,分析了再生骨料的取代率、粉煤灰的取代量、表面處理再生骨料及摻加高效減水劑和礦物外加劑等因素對再生混凝土的工作性能和力學性能的影響。本文根據配製的再生混凝土對其抗硫酸鹽侵蝕性能、抗滲性、抗凍性等耐久性進行了研究,分析了再生骨料的取代率、粉煤灰的取代量、表面處理再生骨料及摻加高效減水劑和礦物外加劑等因素對再生混凝土的這些性能的影響。並對再生混凝土的應用進行了經濟可行性分析,為再生骨科和再生混凝土的應用提供了有利的支持。Re contents in roots had significant positive correlation with the contents of re treatment concentrations and soil exchangeable re concentrations, the correlation between re contents in the roots and soil exchangeable re concentrations was more marked, which indicated that soil exchangeable re could be available composition absorbed by plants
外源稀土促進了根系對稀土元素的吸收,植物體內稀土含量與稀土處理濃度和土壤交換態稀土含量成正相關,其中土壤交換態稀土含量與植物稀土含量相關性更顯著,表明土壤交換態稀土可作為有效態成分被作物吸收。分享友人