compaction index 中文意思是什麼

compaction index 解釋
密實指數
  • compaction : n. 緊密;緻密;壓縮。
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  1. In the highway blacktop design criterion ( tjt014 - 97 ), four methods are recommended to the value of the modulus of resilience of the roadbed. however, the limitation of the methods induce disconnection between the designing modulus index and the compaction in the process of field construction

    盡管現行《公路瀝青路面設計規范》 ( tjt014 - 97 )中,推薦了4種不同方法確定路基回彈模量值,但是由於這些方法的局限性,導致路基設計回彈模量取值與現場施工壓實過程脫節。
  2. On the basis of field investigation and a lot of tests, the paper detailed researches the engineering geology properties of xigeda filling material. the distinction of the modulus of resilience was analyzed, and the influence of the intrinsic factors including moisture content, dry density, mudstone content and the external factors including compaction mode, paving thickness were adequately discussed. based on the researching how various factors influence the road compaction effectiveness, the author studied the relationship between modulus of resilience and roadbed compaction quality index, connected the compactness with modulus, and listed the data of the modulus in the various compaction area

    基於此,本論文在大量現場調查、室內外試驗資料基礎上,詳細研究了昔格達填料的工程地質性質;通過路基回彈模量特徵的研究,充分闡述了含水量、干密度、泥巖含量等「內因」 ,及壓實方式、松鋪厚度等「外因」對路基模量值的影響;在分析眾多因素對路基壓實效果影響的基礎上,開展了回彈模量與路基壓實質量指標間關系的研究,進而把現場壓實度與現場回彈模量有機的聯系起來,給定了不同壓實區間對應的模量值。
  3. In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages

    本文針對黃河沖積而成的低液限粉土其粘粒含量極低、土的不均勻系數很小、膠體活性差的工程特性,通過採用不同方法穩定該類土作底基層材料的力學性能研究,從技術、經濟角度綜合評價,得到滿足規范抗壓強度指標要求的水泥石灰穩定方案。通過對原材料、試驗配合比設計、施工、等方面進行優化,從而顯著減輕了基層的早期及長期縮裂程度,從而提高了路面的耐久性。
  4. Conclusions as following have got through test study : ( 1 ) when impact compaction technology is applied to treat collapsible loess subgrade, the effect depth may be treated generally can not override 80 cm and impact compaction pass is optimum at 30 times. ( 2 ) for stratified impact compaction of subgrade, when compactness of each level reaches codeslstandards loose laying depth of 80 cm fits 40 impact compaction pass is the optimum combination of subgrade construction. when average compactness in each level reaches codeslstandards loose laying depth of 80 cm fits 30 impact compaction pass is the optimum combination o ( 3 ) the quality control method may request impact compaction pass as the main control index and at the same time the final division settlement is less than 10 % of total settlement as large area subgrade is constructed

    通過試驗研究主要得出如下認識:沖擊壓實技術處理濕陷性黃土地基時,其有效處理深度一般不超過80cm ,沖壓遍數以30遍左右為宜;對路基分層沖壓,在要求土體中各點壓實度均達到規范要求時,路基沖壓最佳組合為虛鋪厚度80cm 、沖壓40遍;在只要求土體平均壓實度達到規范要求時,路基沖壓最佳組合為虛鋪厚度80cm 、沖壓30遍;大面積施工時,質量控制方法可按照在以沖壓遍數作為主要控制指標的同時,要求最後10遍分計沉降量小於累計沉降量10 ;在施工單位自己購置沖擊壓實機情況下,與傳統施工相比較,沖擊壓實技術是一種既能節約資金又能大量縮短工期的施工方法。
  5. To discuss farther the relation between compaction and deformability, moreover bring forward the reasonable method of roadbed compaction quality detection, the writer used the settlement data of the roadbed to validate father the correctness of the modulus value ; and demonstrated that it was not reasonable that the compactness is regarded as the only index representing compaction quality in the criterion, and demonstrated that the modulus of resilience is a credible index which represents compaction quality by contrasting the deformability of roadbed modes in the different compacted condition

    為了進一步探討路基壓實與變形之間的關系,從而確定有效的路基壓實質量檢測方法,論文以昔格達填料路堤沉降監測資料為依據驗證了路基模量取值的正確性,通過不同壓實狀態下路基變形性的對比,論證了規范中僅以壓實度控制路基壓實質量存在弊端,提出了路基填築層模量是控制路基壓實質量的可靠指標。
  6. The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et

    公路沿線廣泛分佈有昔格達地層,昔格達地層能否用作高速公路路基填料,國內沒有先例,本論文就是結合導師的科研項目,在非典期間,現場長達5個月的工作,完成了從試驗、現場施工工藝到路堤分層沉降監測等工作,是面對生產實際,認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有:對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析,研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響,通過地區地震活動頻繁,差異沉降較大,對公路建設、安全運行和沿線構築物設計有較大影響;由於昔格達地層在有些路段作為地基、有些作為路基,對其基本性質進行了研究:包括天然密度、含水量、塑液限、顆粒級配等指標的試驗研究。研究成果表明:昔格達地層為湖相沉積,主要為砂巖和泥巖,它以細粒組為主,同時粘粒的存在,使其具有一定粘性。
  7. Based on the laboratory tests, the influences of two subgrade compaction controlling index to the subgrade stability were compared, and a conclusion was obtained that it is feasible to control the quality of subgrae compaction by air rate

    摘要從室內試驗出發,對比了國內外兩種路基壓實控制指標對路基穩定性的影響,得出了採用空氣率控制路基壓實質量的可行性結論。
  8. Compaction degree is the key index to control construction of embankment

    摘要壓實系數是控制路堤填築的關鍵性指標。
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