熱裂縫 的英文怎麼說
中文拼音 [rèlièféng]
熱裂縫
英文
thermal crack-
At the same time, the problem from the concrete cracking is effectively solved through the measures such as enhancing the quality of the excavated surface, adjusting the admixing ratio of fly - ash in the concrete, and lowering the temperature rise of the hydration heat
同時通過提高開挖表面質量,以及調整粉煤灰摻量以降低水化熱溫升等措施,有效地解決了混凝土裂縫問題。Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance
通過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其直徑,其路用性能仍值得探討,瀝青橡膠碎石結構層具有變形性能和抗裂性能良好,空隙率小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗裂性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射裂縫,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。Some other defects in castings are well - defined cracks and hot tears that develop during solidification, under combination of stress concentration from uneven contraction and the metal ' s low strength at near - melting temperatures
鑄件內部的其它一些缺點是,凝固過程中,在不均勻收縮造成的應力集中和接近熔點溫度下金屬的低強度的綜合作用下,出現的清晰裂縫和熱撕裂。The factors that probably leads to cracks are put forward based on the analysis, which in turn are : the deformation of surrounding rock and the deformation of concrete volume and the pelter of air temperature and thermal insulation temperature rise and the thickness of liner and cooling pipe
通過分析得出了導致裂縫的幾種可能原因依次為:混凝土的圍巖變形、自生體積變形、氣溫驟降、絕熱溫升、襯砌厚度和冷卻水管等,為今後類似工程提供理論依據。Several analysis methods such as casting slice, scanning electron microscope, porosity and permeability data, mercury injection data and density of fissures are used to study the reservoir properties of volcanic rocks in huang - yu - re area, the east sag of liaohe basin. volcanic rocks in this area are mainly composed of basalt, diabase, tuff and trachyte. the dominating type of volcanic reservoir space includes secondary solution pores and structural fissures
通過火山巖的常規物性分析壓汞分析和裂縫密度分析,結合鑄體薄片和掃描電鏡,研究了遼河油田黃于熱地區的火山巖儲層物性特徵,認為該區火山巖儲層巖石類型主要有玄武巖輝綠巖凝灰巖和粗面巖,主要儲集空間類型為次生的構造裂縫和溶蝕孔縫。This thesis also first presents the most straightforward and the most effective evaluation indexes on the qualities of crack filling and pothole repair, compares and analyzes the properties, the applicable situations, the strong and the weak points of crack filling materials ( such as hot asphalt cement, emulsified asphalt, modified asphalt, etc. ) and pothole repair materials ( such as hot - mix asphalt mixture and cold - mix asphalt mixture ). on the basis of the permanent demands on repair, this thesis sums up and lists the maintenance steps in crack filling and pothole repair, and advances the procedure designs to be directly adopted by maintenance workers of asphalt roads
首次提出了評定瀝青路面裂縫填封和坑槽修補質量好壞最為直接、有效的評價指標,分別對用作裂縫填封材料的熱瀝青、乳化瀝青和改性瀝青及用作坑槽修補材料的熱拌瀝青混合料和冷拌瀝青混合料的性能、適用場合及優缺點進行了比較分析,並按永久性修補要求,歸納提煉了裂縫填封和坑槽修補的工藝步驟,提出了可供瀝青路面養護人員直接採用的工藝方案。It has large signification for people to improve residence environment, live in satisfactory rooms and lead a high quality life. main contents of the thesis : crack and its control of buildings made of concrete small air blocks. 1 introduced development and application of building blocks in china and foreign countries ; made a research on the mechanism, configuration and reason of crack ; analysized the influencing factors of blockwork crack and put forwards the anti - measures on design, production and construction, etc
通過分析、研究,認清了裂縫產生的機理、成因,找出影響裂縫的相關因素,針對產生裂縫的原因,在理論上提出了治理裂縫發生的相關措施,這些措施會對青島地區混凝土小型砌塊建築的推廣起到積極作用,使墻體裂縫這個熱點問題將得到有效的治理,為使老百姓能夠住上放心房,滿意房,為改善居住環境,提高生活質量將起到重大的意義。There is an old saying in our field - " no dam is not crackable ". the crack is mainly because of the bad dilation after " alkali - aggregate reaction ", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete
水電行業有句「無壩不裂」的俗話,產生裂縫的原因主要有「堿集料反應」造成的破壞性膨脹,水泥水化過程中放出的熱量出現的混凝土內外溫度梯度和水泥石硬化後由於後期降溫發生的體積收縮等造成。The proper interpass temperature is required to prevent cold and hot cracking as well as the proper selection of welding filler material, to produce the proper creep resistance and toughness
需要適當的程間溫度和正確選擇填充金屬材料來防止冷熱裂縫,產生適當的蠕變阻力和韌性。7mpa / km in the center of the zone ( 6 ) in the hot dry rock geothermal energy extraction system, after the system start to operate, the normal stress of crack show the pronounced influence depending on the temperature ' s change in a month, there are a marked drop in temperature nearby the injection well, forming a lower stress area, with the heat extraction, the temperature ' s change even gradually, but the temperature descend quickly nearby the production well, forming a new lower stress area
( 6 )高溫巖體地熱開發中,裂縫面法向應力受溫度變化的顯著影響,在系統開始運行的一個月內,注入井附近區域其溫度降低較快,形成低應力區;隨開采時間的延長,其溫度變化逐漸平緩,而生產井附近區域溫度降低加快,逐漸形成新的低應力區。Scientists have discovered a form of fish that lives on top of the hot lava of under ocean volcanic crevices
科學家們已發現,有一種魚生活在海底火山裂縫的熱熔巖上方。The gap is caused by air lifting a corner of the blanket up
裂縫的產生是由於空氣將隔熱板的一角掀起。After 20 days at 450 or 1 day at 500, the u3si2 particles cracked and fragmented, there were a lot of cracks in al - matrix and reacted areas, there were also a lot of holes in the meat. the meat lost its continuity and perfection, and departed from clad. above 450 the volume fraction of the al - matrix and the u3si2 decreased and produced u ( al, si ) 3 in the meat, u3si2 particles invaded to clad
在450熱循環20天後、 500熱循環1天後,燃料板的厚度變化一般0 . 04mm ,燃料板的翹曲現象嚴重; u _ 3si _ 2顆粒開裂及破碎,基體中產生大量的裂縫,反應層也存在大量的裂紋及孔洞,芯體已失去連續性、完整性,並且與包殼脫開。As we all know, the hydration of concrete is a radiative process, which might lead to emergence of, cracks in the early age of concrete while the heat cumulated exhales. thus great disadvantage may be engendered as far as seepage prevention, erode resisting and the whole structure maintaining are concerned
因為水泥的水化作用是一個放熱的過程,它所產生的熱量在冷卻過程中可能導致早期混凝土中溫度裂縫的出現,這對水工結構的防滲、抗沖及保持結構的整體性是極為不利的。Analysis on the causes of damage, this paper modified the meijia bitumen materials in order to enhance the low temperature capacity of bitumen and bituminous mixture through the polymer. emphasis on the study of low temperature capacity of modified asphalt and bituminous mixture, we utilize reasonable construction craft to avoid the cracks problem between bituminous mixture and bridge and give a advance way of small or moderate span bridge expansion joint in low temperature areas
針對這一缺陷,本文通過添加熱塑性橡膠類改性劑和橡膠類改性劑,對美佳改性瀝青結合料進行二次改性,重點研究了改性后瀝青結合料和混合料的低溫性能,並採用合理的施工工藝解決填縫料與梁端間存在的界面裂縫問題。The results of the studies show that the size, length, and scope of tunnel lining crack can be identify by infrared thermography images
經實地檢測高雄市西子灣隧道和高雄縣大關山隧道,發現隧道襯砌之孔洞與裂縫部位,其紅外線熱影像溫度差異變化大於沒有孔洞裂縫之襯砌。And it can be concluded that cracks on top floor ' s walls are caused by the temperature difference between floor or wall ' s inner and outer surface and the temperature difference between floor and walls. if the floor and wall ' s thermal resistance is appropriate, the cracks issue on cscbb can be solved
分析表明,砌體建築頂層墻體的裂縫主要是墻體、屋面板內外表面溫度差異和屋面板、墻體之間的溫度差異所致,因此如果墻體和屋面的保溫隔熱措施合適,砌體建築的溫度裂縫問題是可以解決的。Abstract : during construction of the capital international airport ' s garage building project, the c50 and over c60 high performance concrete has been adopted for its construction. for the aim of 1, to get a maximum reduction of cement comsumption 2, to lower the concrete ' s hydration heat 3, to reduce concrete ' s shrinkage and cracks, and 4, to promote concrete ' s performance, a high quality chilled blast furnace superfine slag has been adopted as an admixture. furthermore, the adoption of some other minerals as the admixtures to get a high performance concrete has been carried out. as a result, these procedures and operations would have developed considerably the potential activity of concrete, and eventually the multiple performance and multiple function of concrete would have been improved and promoted. in conclusion a good result has been achieved in practice
文摘:首都國際機場停車樓工程中,採用c50及c60以上高性能混凝土,為最大限度減少水泥用量,降低水化熱,減少收縮與裂縫,提高混凝土的性能,優選了有效成分含量高、質量好的水淬高爐礦渣磨細后單獨摻用,或再與其他礦物組分復合作為高性能混凝土的摻合料,以充分發揮礦渣的潛在活性,從而使混凝土的多項性能得到極大的改善和提高,並在實際應用中取得了良好的效果。During construction of the capital international airport ' s garage building project, the c50 and over c60 high performance concrete has been adopted for its construction. for the aim of 1, to get a maximum reduction of cement comsumption 2, to lower the concrete ' s hydration heat 3, to reduce concrete ' s shrinkage and cracks, and 4, to promote concrete ' s performance, a high quality chilled blast furnace superfine slag has been adopted as an admixture. furthermore, the adoption of some other minerals as the admixtures to get a high performance concrete has been carried out. as a result, these procedures and operations would have developed considerably the potential activity of concrete, and eventually the multiple performance and multiple function of concrete would have been improved and promoted. in conclusion a good result has been achieved in practice
首都國際機場停車樓工程中,採用c50及c60以上高性能混凝土,為最大限度減少水泥用量,降低水化熱,減少收縮與裂縫,提高混凝土的性能,優選了有效成分含量高、質量好的水淬高爐礦渣磨細后單獨摻用,或再與其他礦物組分復合作為高性能混凝土的摻合料,以充分發揮礦渣的潛在活性,從而使混凝土的多項性能得到極大的改善和提高,並在實際應用中取得了良好的效果。5. in response to heat conduction test, air heat - insulation course is proved to work well, it reduces temperature difference of tank walls greatly and prevents cracks effectively
進行了罐體熱傳導試驗,證明了空氣隔熱層具有令人滿意的效果,大大降低了罐壁溫差,有效預防了溫度裂縫的發生。分享友人