水泥砂土 的英文怎麼說
中文拼音 [shuǐníshātǔ]
水泥砂土
英文
sand-cement-
In this paper the properties of the polymer modified cement mortar are studied of didy formwork concrete surface coated layer for protection. the emphasis is focused on the permeability and cracking - proof feature
本文主要對模網混凝土聚合物改性水泥砂漿保護層的性能進行研究,著重探討了與耐久性密切相關的抗裂性能和抗滲性能。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 main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus
地震波速法檢測路基擋墻強度,研究的主要內容有:片石巖性和強度及塊體形體對波速的影響;水泥砂漿強度對墻體波速的影響;擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映,在室內外模型試驗和現場生產試驗的基礎上,提出了一種正確的無損檢測法,可以正確判別漿砂片石擋墻墻身的完整性。The compatibility and harmony among workability, mechanical grade and durability are optimized, with the ground of adjusting composition and dosage of fd - 1 ; after analyzing anti - freezing damage mechanism, it is concluded that temperature is main factor, which affects structure and property of concrete. after two processes of temperature - elevation of hydration heat and temperature - descent of cold - environment, there is original damage in concrete and its existence leads to temperature fields, as results in temperature damage on transition phase > aggregate and cement mortar of concrete
通過對負溫混凝土早期防凍分析研究認為,環境溫度對混凝土的結構形成及其性能的影響十分突出,水泥水化溫升和環境散熱降溫兩個過程導致混凝土結構內部產生不均勻溫度場,對過渡相、水泥砂漿以及骨料都能產生不同程度的溫度損傷,產生內部溫差應力裂紋,初始損傷也是不可避免的。This paper mainly deals with the effect of hydrosoluble hp fibre, fibremesh and fdn on cement mortar ' s bend resistant strength and compressive strength under the same operating conditions and with different hp mixtures ; comparing fibremesh to hp, both of which have different effects on concrete ' s compressive strength, tensile strength and bend resistant strength ; and finally discussing hp ' s mechanism
本文主要研究了工作性相同、 hp摻量不同時水溶性高分子纖維( hp ) 、纖維網、 fdn高效減水劑對水泥砂漿抗折強度、抗壓強度的影響。同時對纖維網和hp增強混凝土的抗壓強度、劈裂強度、抗彎強度作了對比分析。最後對hp的作用機理進行了研究。The results indicate that hp can promote the toughness and strength of cement mortar and concrete, and with the increase in hp mixture, compressive strength increases more obviously than bend resistant strength does ; with the hydrosoluble hp fibre added, the microstructure of mortar or concrete will change, the space web structure will be formed, which consists of mixed hydrates and hp films. as a result, the performance of mortar and concrete, with high strength and few apertures, can be improved
結果表明, hp對水泥砂漿和混凝土有顯著的增韌、增強作用,且隨著hp摻量的增加抗壓強度提高的幅度增大,抗折強度提高的幅度降低; hp水溶性高分子纖維的加入可改變混凝土的微觀結構形態,在混凝土或砂漿中形成了水化產物與hp膜交織的空間網狀結構,使漿體緻密,減小孔隙率,從而影響其整體性能。This research put forward three repairing and curing projects : one is to use the steel fiber reinforced concrete to repair the road ; other is to use dula fiber concrete to repair the layer ; another is to use polymer cement mortar to repair the curing layer
本研究提出了三種維修養護方案,其一為鋼纖維混凝土修補層,其二為杜拉纖維混凝土修補層,此兩種都為補強性修補層;第三種為聚合物水泥砂漿維修養護層。Application of cemint mortar concrete water - repellent
水泥砂漿混凝土防水劑在屋面防水中的應用In the view o6f micro mechanics and fracture mechanics, the mechanism of crack generation of mass concrete is expatiated, thermal stress on the interface between aggregate and cement paste of concrete and crack forming and developing is analyzed and the disciplinarian crack developing with temperature is given
本文從微觀力學和斷裂力學的角度,探討了混凝土結構開裂機理,分析了溫變過程中混凝土骨料與水泥砂漿界面上的溫度應力以及界面裂紋的萌生和擴展,給出了裂縫隨溫度變化的擴展規律。Experimental techniques for simulating cavity decoupling explosion in laboratory wear developed, which include a center initiating explosive charge designed in shape of mini - spherical with yield equivalent to 0. 125 ~ 8. 00gtnt, circular electromagnetic particle velocity gages and aluminum bar strain gages measurement techniques, spherical divergent stress waves generator. large amount of tamped and cavity explosion experiments had been made in granite, soil, cement mortar and water media environment, respectively
本文建立起了包括中心起爆的0 . 125 8 . 00gtnt微型球形炸藥裝置的研製、圓環形電磁粒子速度計及鋁桿應變計測試技術和球形發散應力波實驗裝置等在內的實驗室微型藥量空腔解耦化爆模擬技術,並在花崗巖、土、水泥砂漿和水等介質中進行了大量的填實和空腔爆炸實驗研究。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。We use astmc1202 - 94 rapid testing method of chloride permeability to testify the cement mortar, in which we add ultra - fined mineral functional material
採用astmc1202 - 94的快速氯離子滲透法對摻入超細礦物功能材料的水泥砂武漢理工大學碩士論文漿、水泥混凝土的氯離子滲透性進行了測定。Studying the permeability of deep mixed cement - treated sand through tests, this paper probed into the permeability character and the influence of additives on the permeability character of cement - treated sand. the reinforced mechanism of cement - treated sand was investigated
通過對經深層攪拌形成的水泥粗砂土的滲透試驗的研究和對室內外試驗結果的分析,探討了水泥砂性土的滲透性及外摻料對滲透特性的影響和水泥砂性土的加固機理,為深層攪拌法改變砂土滲透性提供依據。Standard test method for the laboratory determination of the time of setting of hydraulic - cement mortars containing additives for shotcrete by the use of gillmore needles
用吉爾摩水泥稠度試驗針實驗室測定噴漿混凝土用含添加劑的水硬水泥砂漿凝固時間的標準試驗方法This paper researches the influence of no treating, paving cement and fly ash paste, and paving cement mortar on rcc layer surface upon the ultimate tensile strain of placing joint of rcc layers under the condition of different interval of placement of rcc layers and different amount of binding materials
研究在不同的層間間隔時間條件下,採用不同的膠凝材料用量,對碾壓混凝土層面分別採取不處理,鋪水泥粉煤灰漿(簡稱水泥凈漿) 、水泥砂漿等處理措施對碾壓混凝土層面極限拉伸值的影響。Standard test method for length change of hardened hydraulic - cement, mortar, and concrete
硬化水凝水泥砂漿和混凝土長度變化的標準試驗方法Decoration and protection of the concrete, cement mortar, mixed mortar, brick and stone surfaces various buildings
各種建築物的混凝土、水泥砂漿、混合砂漿、以及磚石表面的裝飾與保護。The result shows that different kinds and different amount of mineral functional material with different component can affect the cement concrete ' s anti - chloride permeability differently. usually the effect of multi - added is better than that of single - added
試驗結果表明,不同種類與摻量、以不同組合方式摻入的礦物功能材料對水泥砂漿及混凝土的抗氯離子滲透性的影響效果不同。4. the temperature damage experiment about mixture of cements, stones and concrete is carried out for the first time. principle that the damage changed with the temperature is analyzed
進行了水泥砂漿,夾石及混凝土試件溫度損傷試驗研究,分析了混凝土在升溫與降溫過程中損傷隨溫差的變化規律。However, the setting and hardening time of the concrete, the mortar influences the test results obviously
混凝土?水泥砂漿?環氧樹脂砂漿的凝結硬化時間長短對測試結果有比較顯著的影響。分享友人