plain concrete 中文意思是什麼

plain concrete 解釋
普通混凝土
  • plain : vi 〈古、詩、英方〉發牢騷,訴苦;嘆惜,悲傷;哀悼;悲歌,痛哭。adj 1 平的,平坦的。2 平易的;普通...
  • concrete : adj 1 具體的,有形的;實在的,實際的。2 固結成的,混凝土製的。3 圖案詩歌的(參閱concrete poetry)...
  1. 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。
  2. Test results show that the steel fiber in concrete have more effectiveness on improving the splitting tensile strength and the flexural strength in the early age than after its hardening ; the flexural modulus of elasticity of sfrc are higher than the plain concrete at different ages while their compressive modulus of elasticity are almost the same. it ' s also shown that, similar to the plain concrete, the early - age loading decreases the strengths of sfrc, but, with the increase of the contents of the steel fiber things are getting better, especially for the splitting tensile strength and the flexural strength

    試驗結果表明:與性能穩定之後相比,在混凝土中摻入鋼纖維對它的早期劈裂抗拉強度和抗折強度有尤為顯著的提高作用;對各齡期的受壓彈性模量影響不大,而對提高抗折彈性模量有一定的效果;與素混凝土試件相同,在早期(強度達到28天強度的85前)對鋼纖維混凝土試件施加荷載會對它的各種強度產生一定的不利影響,但是摻入鋼纖維可以減輕這種不利影響,尤其對劈裂抗拉強度和抗折強度作用突出,並且含纖率越高,效果越明顯。
  3. Study on bearing capacity test on plain concrete underpinned column

    素混凝土托換柱承載力試驗研究
  4. Plain concrete structure

    素混凝土結構24
  5. ( 8 ) smart concrete structure based on mechano - electric effect of cfrc and plain concrete is developed

    ( 8 )開展了基於碳纖維混凝土和素混凝土力電效應的機敏混凝土結構應用研究。
  6. The main research contents are as follows : 1. this thesis observes the shrink and creep curve of plain concrete and concrete filled steel tubes

    主要研究內容如下: 1 、觀測得到素混凝土及鋼管混凝土的收縮(膨脹)徐變曲線。
  7. Much less steel fibers are evenly distributed on the surface and at the bottom of the pavement slabs, the middle body of which is composed of plain concrete

    它將極少量的鋼纖維均勻的撒佈於路面板的上下表面,而中間仍為素混凝土。
  8. The test studies show that sfrc has better electric conductivity than plain concrete, while the resistance is still remarkable because of the corrosion of steel fiber

    Sfrc的導電能力比素混凝土有所提高,但是由於鋼纖維的銹蝕, sfrc的電阻仍然很大。
  9. 2. this thesis analyses the curve, then obtains the principles of shrink and creep of concrete filled steel tubes, estimates the creep of concrete filled steel tubes by the test data of plain concrete creep

    2 、對測試曲線進行分析,得出鋼管混凝土收縮、徐變規律及特點,用素混凝土徐變試驗資料估算鋼管混凝土徐變。
  10. The first, site experiment is carried out. the paper analyze in - situ testing data of subgrade which is made up of plain concrete pile composite foundation and agitation pile composite foundation including pore pressure, layer settlement of soils between piles, earth pressure, lateral deformations

    發現正常荷載下,兩種復合地基路基的受力性狀不一樣,用建築垃圾填土樁距較大的素混凝土樁復合地基,淺層應力向樁體集中,並通過樁向深層擴散,樁間土與樁有較大的相對位移,樁頂和樁端的刺入較為明顯。
  11. After fatigue tests were carried out for 44 stand beams, the following consequences were achieved. 1, contrasted with lsfrc, the strength of standing dead load of lhfrc are improved above 10. 62 %. contrasted with plain concrete, the amount is 22

    在對44根標準試驗梁進行抗折疲勞試驗的基礎上,本文主要取得以下成果或結論: 1 、層布式混雜纖維混凝土的靜荷載抗折強度比層布式鋼纖維混凝土提高約10 . 62 ,比素混凝土抗折強度提高了22 . 6 。
  12. The results showed that the creep coefficients in cfrp - confined concrete columns and in epoxy - coated concrete columns are almost same, both are less than that in plain concrete columns on the same other conditions but surface treatment, which demonstrates that the creep reduction in cfrp - confined concrete columns is due to the existence of epoxy coating not of cfrp sheet. furthermore, the physical apperence and dimension have litter effect on the creep behavior of cfrp - confined and epoxy - coated concrete columns

    結果表明:其他條件相同時, cfrp約束混凝土柱與塗膠混凝土柱的徐變基本一致,比素混凝土柱徐變小29 . 0 %和26 . 9 % 。 cfrp約束混凝土柱的徐變減小是由於粘貼cfrp布時的膠層所致而非核心混凝土的約束效應。 cfrp約束或表面塗膠的混凝土柱的外形、尺寸及體表比對其徐變的影響很小。
  13. ( 6 ) the electrically induced strain is observed in both cfrc and plain oncrete. compared with plain concrete, cfrc demonstrates more sensitive to the outward electric field. that is, cfrc can produce the same strain as plain cement paste with smaller voltage

    ( 6 )得出了碳纖維混凝土和素混頒土在外加電場作用下,山電場產生的變形與電場的對應關系,表明電場引起的變形隨外加電壓的增加而增加,梁彎曲的方向隨電場方向而變化,碳纖維混凝土比素混凝土具有高的電力敏感性。
  14. Foundation optimization of a highrise building in beijing - analysis and first application of composite foundation with cast - in - place plain concrete pile driven by auger rig

    鉆孔壓灌素砼樁復合地基在北京地區高層建築中首次應用
  15. Fatigue tests were carried out for 70 small - scale beams ( 55 lsfrc beams and 15 plain concrete beams ). the evolvement of fatigue strain and damage with cycles was discussed and the influence of steel fibers and the stress level on the fatigue strain and damage was analyzed

    通過70根(層布式鋼纖維路面55根,素混凝土15根)試驗小梁的等幅彎曲疲勞試驗,得出了層布式鋼纖維路面混凝土的疲勞變形和損傷特徵,並分析了鋼纖維和應力水平對疲勞變形和損傷的影響。
  16. For details, the main contents are as follow : 1. the research is conducted on the confecting method of steel - slag concrete by indoor experiment. through comparison of the physical and mechanical properties between steel - slag concrete and plain concrete, it can analyze the advantages of using steel - slag concrete. based on the test results, empirical formulae is developed, which provides some bases for practical projects

    通過試驗研究了廢鋼渣作為原材料配製混凝土的方法,並將鋼渣混凝土與普通混凝土在配製過程中的某些性質指標作了比較,分析了其原因,並在試驗的基礎上建立了強度與灰水比經驗公式,為工程設計提供了依據。
  17. In the dissertation, the study on carbon fiber reinforced concrete ( cfrc ) and plain concrete has been reviewed. then mechano - electric effect of cfrc and plain concrete, its mechanisms, the interaction among mechano - electric effect, piezoresistivity and seebeck effect, the electrical circuit model of concrete based on mechano - electric effect, electromagnetic emission of concrete, the mathematical model of mechano - electric effect are investigated. also the converse effect of mechano - electric effect of cfrc and plain concrete, that is, electromechanical effect, and the interaction between electromechanical effect and electrothermal effect of cfrc are examined

    本文對碳纖維混凝土和素混凝土機敏性的國內外研究現狀進行了全面的評述,在大量實驗分析的基礎上,系統地研究了碳纖維混凝土和素混凝土的力電機敏性,研究了力電效應機理、力電效應與其它效應(壓阻效應、塞貝克效應等)的耦合關系、基於力電效應的混凝土電學模型、混凝土電磁發射現象、混凝土力電效應的數學模型等;論文同時對混凝土和素混凝土的電力效應、碳纖維混凝土電力效應與電熱效應的耦合關系等進行了探討;最後開展了基於力電效應的機敏混凝土結構應用研究。
  18. This thesis has made the contrast test of shrink and creep for plain concrete and concrete filled steel tubes on the basis of long term in - door test, obtains the principles of shrink - creep of concrete filled steel tube, simulates the test data, analyses and contrasts the coefficient of shrink and creep, thus offers reference for the calculation mode of creep, furthermore by introducing reasonable assuming at the same time, develops the calculation formula of equivalent elastic modulus at the same time, develops the calculation formula of equivalent elastic modulus, adopts common structure analyses procedure ansys to calculate the redistribution of section stress in the steel tube and concrete during operation

    本文在長期的室內試驗的基礎上對素混凝土和鋼管混凝土做了收縮和徐變的對比試驗,得出鋼管混凝土的收縮徐變規律,對試驗數據進行了擬合,對鋼管混凝土的收縮和徐變系數進行了分析和比較,從而為鋼管混凝土的徐變計算模式提供參考,同時通過引入合理的假定,並結合由「齡期調整有效模量法」導出的混凝土徐變本構關系,推導出了鋼管核心混凝土考慮徐變影響后的等效彈性模量計算公式,並以此為基礎採用通用結構分析程序ansys對成橋后鋼管和混凝土應力重分佈進行了計算。
  19. The effects of plain concrete expanding admixture on the early shrinkage of high performance concrete

    普通混凝土膨脹劑對高性能混凝土早期收縮的影響
  20. It is found mat many factors under working load are different between agitation pile composite foundation and plain concrete pile composite foundation, and analyze the reasons, describe the factors of two composite foundations under working load. the second, the module of the ground consisted of construction garbage is inverse analyzed with finite element analysis. then some mechanics rule of rigid pile ( plain concrete pile ) composite foundation is educed

    而對于用粉質粘土填土樁距較小的柔性攪拌樁,樁間土和樁的相對位移很小,樁群和樁間土形成了一個加固整體,應力在樁頂和樁端較集中,大部分的荷載傳到樁端土和下臥層中,起到了很好的擴散荷載的作用。
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