point load test 中文意思是什麼
point load test
解釋
點荷載試驗-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。 -
By using 5000kn pressure - bent testing machine, the specimens of boulder concrete and crushed stone concrete were tested through three - point - bending method and wedge - split tensile method, the scale division of the index dial of pressure - bent testing machine is larger, whereas the predicted test - load is lesser, so the velocity of exerted load is controlled through observing the reading of the multimeter which is connected with the collecting systerm in order to continuously exert test - load
本文使用5000kn壓彎實驗機，對不同強度等級的卵石混凝土和碎石混凝土試件分別進行了三點彎曲試驗和楔入劈拉試驗。試驗過程中，由於實驗機噸位較大，而試驗荷載預計較小，為了能夠有效地控制加載大小和加載速度，採用通過觀察與荷載傳感器相連的萬用表讀數控制加載速度的方法，連續加載。 -
Standard test method for determination of the point load strength index of rock
巖石的點荷載強度指數測定的標準試驗方法 -
The static loading test for three group of testing piles of jiading power plant secend stage project are analyzed and studied in this thesis, and the practical applying of high - accurate data collector, technique of waterproof insulation and testing technique of burying in the body of pile are introduced also. the vertical and horizontal loading features of three group of piles of different kind and constructing technique in different earth layer at the pile point are analyzed and compared and summed up with basic integro - differential equation calculating the pile earth system load transmit, transforming principle of stress - deforming and pile body rating of burying electric measuring element. changing law of stress, and changing law of pile body shifting and bending for different testing piles under vertical and horizontal load are showed so that the loading features of soil layer and pile at testing spot, reliable design data for pile type and base for scientific construction technique are provided
本文僅就嘉定電廠二期工程中的三根試驗樁的靜載試驗進行了分析和研究，利用樁土體系荷載傳遞分析計算的基本微分方程及應力-應變轉換原理，結合預埋電測元件的樁身率定，對三組不同種類、不同施工工藝、不同持力層中的樁的豎直、水平承載特性進行了分析、比較和歸納，通過大量、全面的實測數據，經過整理、轉換和推演，揭示了不同試驗樁在豎直、水平荷載作用下的應力變化規律和樁身變位、撓曲變化規律，最終提供試驗場地土層和樁的承載特性，為該工程合理設計樁型提供了可靠的設計參數，為確定科學的施工工藝提供了有力的依據。 -
3. the test study indicates that the load - deflection curves of frp reinforced concrete beams reinforced can be divided into two linear stages through the boundary point of initial cracking
試驗研究表明，纖維增強塑料筋混凝土受彎構件的荷載撓度曲線以截面初裂為界限點分為兩個線形階段。 -
An easy way to determine a starting point is to configure your connection pool ' s maximum number of connections to be " unbounded, " run a load test, and measure the largest amount of concurrently used connections
決定你的連接配置池初始值和最大值的一個容易的方法是先把它設到極大，然後進行壓力測試，測量並發應用連接的最大數。 -
And the displacement control of the leaf spring center was transferred to the displacement at load point. then after the load step options configuration, the leaf spring stress circulation under cycle loadings was calculated. the model was validated by the result compare between the rigid extracted from the simulation results and the one out of the rigid test of the leaf spring
使用加載頭和簧片的接觸行為來模擬加載狀況，並將對簧片中心的變形控制轉換為對加載點的位移約束，然後利用載荷步選項配置完成一個載荷循環，由此計算出加載階段下鋼板彈簧內部的應力循環。 -
This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value
本文以周口地區瀝青路面為研究對象，以現行《公路瀝青路面設計規范》為依據，從路面使用性能和交通特徵的調查入手，從疲勞特性和極限強度出發分析了路面早期破損的原因，全面系統地進行了交通參數的分析，提出了當量軸次增長率、季節修正系數和超載系數的概念和方法，並提出了重載交通的軸載換算方法。在此基礎上，針對超載、重載交通從結構組合設計、結構厚度計算（包括疲勞強度標準和極限強度標準）等方面提出了適宜的瀝青路面結構設計方法，並結合工程實測，說明了結構層厚度計算的具體步驟，最後通過試驗路驗證本文提出的設計方法。理論與實踐均表明，本文提出的路面結構型式合理、設計方法可靠，能適應目前重載、超載交通的狀況，具有較高理論與實用價值。 -
I also do some exploration to the resisting features of powdery earth and the factors affecting the load transforming of pile in the powdery earth layer through this big test. please point out my mistakes in this thesis
同時，對粉性土的土抗力特徵及其影響粉類土層中樁的荷載傳遞性狀的有關因素，以及對進行過高應變測試后又進行了低應變完整性檢測的斷樁進行了淺顯的分析，疏誤之處，敬請指正。 -
Standard test method for determining bond strength between hardened roller compacted concrete and other hardened cementitious mixtures point load test
測定硬化碾壓混凝土和其它硬化粘結混合物間粘結強度的標準試驗方法 -
Afterward the numerical method was used to decompose the inherited integration, so the matrix form of constitution equations was derived. then through utilizing the lagrange equation directly, the paper gets the finite element formula. to test the model, the paper calculate the osteoblast ' s dynamic response under near static load and sinusoidal load at a simple tension beam and a four point bending beam
針對單向拉伸和四點彎曲兩種離體培養成骨細胞的裝置，再根據實際情況，將培養基看成是一種多孔材料，而將成骨細胞看成是粘彈性體，利用自編的有限元分析程序分別計算了受擬靜態載荷和受交變載荷下細胞的動力響應，結果很好地反映了細胞的粘彈性性質。 -
Then the penalty finite element formula can be derived through galerkin weighted residual method. to test the model, the paper calculate a cantilever sample and a four point bending beam under near static load and sinusoidal load
針對浸泡在液體中的懸臂梁試件和四點彎曲試件，計算了在受躍階載荷和正弦載荷作用時的變形、流動以及流動電場分佈。 -
The main achievement of the paper is to recommend the 90 point as the best place for sensor by the contrast of numerical calculation results and test signals. on the point the high frequency disturbing signal was weakened very much when the load impulse was changed, which could be explained when vibration shape was considered
本文最重要的工作是通過數值計算與實驗的對比確定點擊脈沖荷載作用下傳感器的最佳接收位置，即距離加載點相對于管樁截面中心夾角為90的點。
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