Effect of Uncertainties in the Field Load Testing on the Observed Load–Settlement Response

Dasaka, Satyanarayana Murty; Jain, Aniruddh; Kolekar, Yashwant A.

doi:10.1007/s40098-013-0083-1

Cited by 5 publications

(6 citation statements)

References 5 publications

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“…while laboratory plate load test was conducted using a lever arm in place of a hydraulic jack but the sampling of undisturbed samples for the test was his major challenge (see Figure 9f). The hydraulic jack used for the test described in figure 9 does not sustain the applied pressure for so long [27]. The drop-in pressure from the hydraulic jack will affect the result obtained from the conventional plate load test which will lead to either under design or overdesign of the intended structure.…”

Section: Resultsmentioning

confidence: 99%

“…The load transfer column is shown in Figure 7. Using Euler's method to design for the cripple load as shown in equations ( 25), (26), and (27). Shear stress at equation (33) and the results are shown in Table 4.…”

Section: Load Transfer Columnmentioning

confidence: 99%

“…The I-section is quite satisfactory [22]. The cripple load 𝑊 𝑐𝑟 , on the column, from equation (26) and equation (27), according to Euler's formula, crippling load (𝑊 𝑐𝑟, )…”

Section: Design Of Anchor Legmentioning

confidence: 99%

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Structural Design of Field Plate Load Test Equipment to Determine In situ Bearing Capacity and Settlement of Clayey Soil

Umaru

Alkali

Alhaji

et al. 2023

Constr.

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The study is to design field-operated plate load test equipment to overcome the problem of predicting bearing capacity and settlement of clayey soil on site using the conventional/traditional methods of short-duration plate load test where a hydraulic jack is used in conducting the test. Ashby's method of material selection was used for the selection of a suitable material for each of the components. The 12 mm thickness was obtained as the minimum safe thickness for the applied load of 500 kg on the lever arm. The I-section frame that support the entire system has sectional modulus of 19.4 cm3 and 4 mm thickness. The equipment will use a lever arm mechanism to conduct an in-situ test that will take long-duration on clay soil where the dissipation of pore water from the clayey soils takes a longer time to complete as against the current conventional method of plate load test that is in use. The equipment will offer several advantages in terms of cost, reliability, portability, authenticity, and user friendly.

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Section: Resultsmentioning

confidence: 99%

Section: Load Transfer Columnmentioning

confidence: 99%

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Structural Design of Field Plate Load Test Equipment to Determine In situ Bearing Capacity and Settlement of Clayey Soil

Umaru

Alkali

Alhaji

et al. 2023

Constr.

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“…Theory. Thin plate refers to the plate whose thickness h is approximately 1/80~1/5 of the characteristic dimension l. For thin plate bending problems, 2 Geofluids the following assumptions should be introduced on the basis of continuous [9], uniform, and isotropic assumptions:…”

Section: Elastic Thin Platementioning

confidence: 99%

“…(1) Stress-Deformation Relationship. According to the hypothesis, the relationship between the strain component and the midplane deflection w can be obtained as shown in equation (8), and the generalized Hooke's law [9] can be written as the relationship between the principal stress component and the midplane deflection w as shown in equation ( 9):…”

Section: Constitutive Relationmentioning

confidence: 99%

Study on the Settlement Mechanism with Effect of Backfilling Method of an Underground Mine

et al. 2021

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The study on the subsidence of backfill mining block has been a concern of many scholars. A mechanical model of plate subsidence is established by studying the roof of a filling mining area in Luo Iron Mine in this paper. The boundary conditions are given, and the Navier method is used to solve the problem. Based on the thin plate model, the subsidence distribution map of the roof of the underground plate area is obtained. Based on the basic calculation parameters, the influence of a different foundation coefficient, mining depth, length-width ratio of plate area, elastic modulus of roof rock, and thickness of roof on the subsidence of roof is studied. According to the deflection calculation formula obtained, the expression of the internal force and stress is deduced, and the distribution of stress and shear stress on the upper and lower surfaces of the roof is analyzed. The dangerous area of the roof can be obtained, which provides a theoretical basis for the daily maintenance of mine safety.

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Prediction of Bearing Capacity of Stone Columns Using Type-2 Fuzzy Logic

Das

Dey

2022

Lecture Notes in Civil Engineering

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Effect of Uncertainties in the Field Load Testing on the Observed Load–Settlement Response

Cited by 5 publications

References 5 publications

Structural Design of Field Plate Load Test Equipment to Determine In situ Bearing Capacity and Settlement of Clayey Soil

Structural Design of Field Plate Load Test Equipment to Determine In situ Bearing Capacity and Settlement of Clayey Soil

Study on the Settlement Mechanism with Effect of Backfilling Method of an Underground Mine

Prediction of Bearing Capacity of Stone Columns Using Type-2 Fuzzy Logic

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