common concrete 中文意思是什麼
common concrete
解釋
普通混凝土-
The research overcomes the shortcomings of primers in common use, and breaks through the traditional astriction of absence of chemical bond between new and old concrete. both macrostructure and microstructure as well as bond mechanism was discussed and some further research advice was put forward
本研究克服了以往的界面劑僅能改善界面層宏觀或微細觀結構的缺點，突破了新老混凝土粘結層主要依靠范德華力提供界面粘結力而幾乎不存在化學鍵作用的缺點。 -
Cast - in - place piles with expanded branches or plates based on common concrete bored piles are a new type of piles foundation which have the specialty of high vertically bearing capacity and have been marked both economic and social benefits. especially in the resist draw load, it indicates a broader application scope. however, because of the poor application of cast - in - place piles in the practices, almost all the experiments are based on modeling experiments
擠擴支盤混凝土灌注樁是近年來工程界有較強生命力的新樁型，該樁型是採用仿生學的方法在原有等截面混凝土灌注樁的基礎上研發成功的，其顯著的特點就是具有較高的單方混凝土承載能力，具有良好的社會與經濟效益。 -
The author redesigned the common concrete beams and carried out a comparative analysis to the existing beams according to the specification for design of reinforced concrete and prestressed concrete highway bridges and culverts ( jtj023 - 85 ), the specification for design of reinforced concrete and prestressed concrete highway bridges and culverts ( informal version for advices ) and relevant rules of its matching stipulations, light aggregate concrete bridge technology stipulations ( ( informal version for advices ) and on the basis of prestressed concrete theory. the thesis emphasized on the research of the variation of the concrete, prestressing tendon quantities, their spans, beams " height and their rigidity of both the designed beams and the existing beams, and obtained the quantitative results from above research
採用hslc置換梁體中的普通混凝土，並運用預應力混凝土理論，依據《公路鋼筋混凝土及預應力混凝土橋涵設計規范》 （ jtj023 - 85 ） ， 《公路鋼筋混凝土及預應力混凝土橋涵設計規范》 （徵求意見稿）和與之配套編制的《輕骨料混凝土橋梁技術規程》 （徵求意見稿）的有關規定，對上述普通混凝土梁進行了重新設計並與既有梁進行了對比分析，得出了設計梁與既有梁在混凝土及預應力筋用量、跨度、梁高以及剛度等方面的變化情況，得到了定量結果。 -
The effects of mineral additive such as fly ash, slag, and dura fiber on concrete expansive property are studied, the results show that these mineral admixture reduce shrinkage in common concrete and also reduce expansive value in shrinkage - compensating concrete
本文討論了粉煤灰、礦渣、杜拉纖維對混凝土膨脹性能的影響，在補償收縮混凝土中，摻合料使其膨脹率減低，杜拉纖維可以提高混凝土的體積穩定性，顯著提高劈拉強度。 -
Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。 -
Firstly, this paper analyzes the influence of some factors ( such as the water / cement ratio, types of cement, curing time etc. ) on the carbonization properties of high performance concrete as well as that of common concrete
首先，對諸多因素（如水膠比、水泥品種、養護齡期等）對于高性能混凝土及普通混凝土的抗碳化能力影響程度進行定性和定量分析。 -
According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not
地下連續墻是一種歷史較短的施工方法，目前，砼防滲墻的設計還是以傳統的設計方法為主，根據查找國內外文獻資料，華東建築設計院王衛東利用地下連續墻與樁在豎向荷載作用下的工作性能有相似性，將適用於樁基的poulos彈性理論引入對地下連續墻的沉降計算中；清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土的參數，利用非線性e - b模型，結合黃河小浪底土石壩設計剖面，採用thepd土石壩總應力程序，對深覆蓋層塑性混凝土防滲墻的應力、位移進行有限元分析，並與普通混凝土防滲墻計算結果加以對比，同時分析了不同配比塑性混凝土特性的影響，並採用應力水平和拉應力數值來判斷塑性混凝土防滲墻的安全程度。 -
To the common concrete, adding fly ash or blast furnace slag can decrease the shrinkage rate, but adding silica fume deteriorate the shrinkage rate
其早期收縮主要是塑性收縮，而後是冷縮和自收縮，長期收縮以乾燥收縮為主。 -
Combining the fracture toughness test results of rcc specimens with the existed size effect formula for fracture toughness of common concrete, the suitable size effect formula fur fracture toughness of rcc was gotten on the comparative of results of the computation models
將碾壓混凝土斷裂韌度試驗結果與已有的普通混凝土斷裂韌度尺寸效應公式結合，通過對幾種模型的計算結果的分析比較，得到了碾壓混凝土所適用的斷裂韌度尺寸效應公式。 -
At present, high strength and high performance concrete is studied > produced and used extensively at home and abroad. but in our country, common strength concrete is used in huge quantities, this paper is based on this point, from studying and analysing the structure and formation of common concrete to adjust all kinds of components and to add fly ash and cinder powder to concrete to make common concrete acquire high performance and high durability. the experiment has manifested that common concrete ' s workability and even performance are improved greatly, at the same time, common concrete ' s strength and permeation is also improved after its performance - proof is improved
當前國內外大量研究與生產應用的是高強高性能混凝土，但是，目前在我國大量使用的還是普通強度的混凝土，本文正是基於這一點，從研究與分析普通混凝土的結構形成入手，合理調節各組分，摻入粉煤灰與礦渣磨細粉，使普通混凝土獲得了高性能與高耐久性，試驗證明，高性能化后的普通混凝土，其和易性和結構均勻性得到改善，強度提高，抗滲性明顯提高。 -
From the experiments, we can see the affect of concrete performances mixing with liter polypropylene fiber and glass fiber is minor. compare with common concrete, the crack - load of concrete slab mixing with liter polypropylene fiber and glass fiber is marked improved. mixing with liter polypropylene fiber and glass fiber, the behavior of cracks - resisting of is marked improved, and the cracks are controlled and smeller
研究表明，在混凝土中摻入低摻量的聚丙烯纖維或玻璃纖維對抗壓強度及抗拉強度的影響較小；纖維混凝土板比普通混凝土板的開裂荷載有較為顯著的提高；加入低摻量的聚丙烯纖維后，混凝土板的抗塑性開裂性能有顯著提高，可以抑制、細化裂縫。 -
This paper conducts a study of the influence of core concrete performance upon the stability factor of axially compressed medium long concrete - filled steel tube column on the basis of comparison of the axial compression test results of long column made up of common concrete filled steel tube and medium long column made up of lightweight aggregate concrete - filled steel tube, and in accordance with analysis of the constitutive relation curves between both the common and lightweight aggregate concrete
摘要通過對鋼管普通混凝土長柱和鋼管輕集料混凝土中長柱的軸壓試驗結果的比較，結合對普通混凝土和輕集料混凝土的本構關系曲線的分析，研究了核心混凝土性能對鋼管混凝土軸壓中長柱穩定系數的影響。 -
( 2 ) it has been shown that the cast - in - situ piles with expanded branches or plates can provide a higher bearing capacity than common concrete bored piles
（ 2 ）對擠擴支盤樁能高承載力、節約成本進行了定量分析。 -
Cast - in - situ piles with expanded branches or plates based on common concrete bored piles are a new type of piles foundation, which have been marked economic and social benefits
擠擴支盤樁是在普通混凝土鉆孔灌注樁的基礎上衍生出來的一種新型的樁基礎，具有顯著的經濟效益和社會效益。 -
( 4 ) by using finite element method, the settlement and stress distributions both cast - in - situ piles with expanded branches or plates and common concrete bored pile have been comparied. the main differences are pointed out, which may be useful for pile design
（ 4 ）用有限元法對擠護支盤樁和直樁的沉降、應力分佈進行分析，指出它們應力分佈的異同點，這有助於樁的設計。 -
Some conclusions are drawn : the compressive strength and flexural strength of cubic specimens of steel fibre reinforced concrete increase with the dosage of steel fibre ; without change of dosage of steel fibre, the elastic modulus of steel fibre reinforced concrete increases with the concrete age ; steel fibre reinforced concrete is of obvious function in cracking resistance, but there is no obvious function in avoidance of cracking ; for both common concrete and steel fibre reinforced concrete, the variation of the internal temperature is different from that of the external temperature before the initial set of concrete, and the internal strain of both two kinds of concrete is great, and, in general, the variation of strain of common concrete is much greater than that of the steel fibre reinforced concrete ; after the initial set of concrete, the variation of the internal temperature of both two kinds of concrete is similar to that of the external temperature, and the variation of the internal strain is relatively small
結果表明：鋼纖維混凝土立方體的杭壓強度、抗彎強度隨著鋼纖維摻量的增加而增大；在鋼纖維摻量不變的情況下，鋼纖維混凝土的抗壓彈性模量會隨著齡期的增加而提高；鋼纖維對混凝土的阻裂作用很明顯，而對混凝土起裂的限製作用不明顯；在混凝土初凝之前，無論是普通混凝土還是鋼纖維混凝土，內部溫度的變化規律與外界溫度的變化規律不同，並且此階段混凝土內部應變的變幅很大，普通混凝土應變的變幅要比鋼纖維混凝土應變的變幅大得多；在混凝土初凝之後，無論是普通混凝土還是鋼纖維混凝土，內部溫度的變化規律與外界溫度的變化規律相同，並且此階段混凝土內部應變的變幅很小。 -
First, the steel fiber reinforced concrete and the lightweight aggregate concrete can make up the deficiencies of common concrete such as low tensile strength and large dead weight
首先，鋼纖維和輕骨料能彌補普通混凝土存在的抗拉強度低和自重大等方面的不足。 -
( 2 ) to take full advantage of the common concrete strength testing methods : drill and rebound, fuzzy neural networks ( fnn ) was build up to evaluate concrete strength
（ 2 ）為了充分利用鉆芯法和回彈法這兩種常用混凝土測強方法的特點，建立模糊神經網路來綜合評定結構的混凝土強度。 -
The influence of mineral materials such as fly ash, blast furnace slag and silica fume on expansion performance of the common concrete and compensating - shrinkage concrete was researched
在此基礎上，研究了高強混凝土在不同齡期的收縮規律，發現高強混凝土的收縮特性與普通混凝土存在顯著不同。 -
Secondly, the paper tries to analyze and make a comparison between the common concrete and the high performance concrete regarding carbonization life span, considering the carbonization life span, the high performance concrete have the preponderance over the common one
其次，本研究對高性能混凝土和普通混凝土在抗碳化壽命預測方面作了比較分析。從抗碳化壽命預測來看，高性能混凝土有著普通混凝土無法比擬的優勢。
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