Добірка наукової літератури з теми "Concrete piling Testing"

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Статті в журналах з теми "Concrete piling Testing"

1

Rodway, L. E. "Testing of zero-slump piling concrete." Canadian Journal of Civil Engineering 14, no. 3 (June 1, 1987): 308–13. http://dx.doi.org/10.1139/l87-049.

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Анотація:
For several years it had been noted in the field that in the absence of an accepted, rational standard method for testing impact-placed zero-slump piling concrete, a variety of strength levels were produced from the same sample of fresh concrete depending upon which of a variety of test methods happened to be used. Finally, in 1977 the Canadian Standards Association published a standard method. This method subsequently proved ambiguous and impractical in practice to many field engineers.This paper presents the results of a laboratory and field study conducted during 1985 directed at the rational development of a practical test method to realistically predict the appropriate concrete strength, [Formula: see text], to be used in the calculation of the structural load-carrying capacity of this type of pile. Key words: zero slump, impact piles, energy input, vibration, compaction, concrete strength.
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2

Smith, James A. "Discussion: Testing of zero-slump piling concrete." Canadian Journal of Civil Engineering 15, no. 5 (October 1, 1988): 929–30. http://dx.doi.org/10.1139/l88-118.

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3

Rodway, L. E. "Reply: Testing of zero-slump piling concrete." Canadian Journal of Civil Engineering 15, no. 5 (October 1, 1988): 930. http://dx.doi.org/10.1139/l88-119.

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Zhussupbekov, A. Z., Z. A. Shakhmov, G. T. Tleulenova, and S. B. Akhazhanov. "USING OF DYNAMIC AND STATIC LOAD PILING TESTS IN ASTANA, KAZAKHSTAN." ACADEMIC JOURNAL Series: Industrial Machine Building, Civil Engineering 2, no. 49 (October 17, 2017): 32–37. http://dx.doi.org/10.26906/znp.2017.49.819.

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In this paper the analysis results of precast piles different tests are presented. Extreme soil conditions of Astana (Kazakhstan) involve realizing the work precast piles in various soil ground and interaction soil ground and piles. There were carried out dynamic and static load tests of piles in extreme soil ground conditions in Astana. Based on data results of pile foundations the piles bearing capacity was determined. According to the results of DLT with PDA of driving piles (30.0 cm) the bearing capacity of the piles is 911 kN. The bearing capacity of the driven piles according to the results of SLT amounted to be 878 kN. Soils physic-mechanical properties in extreme conditions of Astana along with graphs of dependence are between settlement and load. The precise analysis of climatic and geological factors of the construction sites is shown. Investigations method for precast concrete piles testing is presented. Dynamic load test methodology in Astana for concrete piles testing is shown. These investigations are important for of Pile-Soil interaction on problematical soil ground.
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5

Shdid, Caesar Abi, Marcus H. Ansley, and H. R. Hamilton. "Visual Rating and Strength Testing of 40-Year-Old Precast Prestressed Concrete Bridge Piling." Transportation Research Record: Journal of the Transportation Research Board 1975, no. 1 (January 2006): 2–9. http://dx.doi.org/10.1177/0361198106197500101.

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6

Flynn, Kevin N., and Bryan A. McCabe. "Instrumented concrete pile tests – part 1: a review of instrumentation and procedures." Proceedings of the Institution of Civil Engineers - Geotechnical Engineering 175, no. 1 (February 2022): 86–111. http://dx.doi.org/10.1680/jgeen.21.00126.

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Анотація:
Preliminary pile tests are becoming increasingly routine in piling projects, some of which are instrumented to help optimise working pile design. However, the execution of a successful test on an instrumented concrete pile (ICP) is not straightforward; practitioners are often faced with difficulties in interpreting the results from the instrumentation due to factors such as installation and curing effects, insufficient and/or malfunctioning gauges and testing procedures. A detailed methodology for the successful execution of an instrumented pile test addressing all of these factors is provided in this paper. Established and emerging trends in ICP testing are captured through a database of over 100 published case histories from the literature. It is envisaged that the methodologies described in this paper, together with the companion paper on strain interpretation, will provide practitioners with a helpful guide to enable a successful ICP test.
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7

Zhussupbekov, Askar Zh, Yoshinori Iwasaki, and Abdulla R. Omarov. "THE EXPERIENCE DIFFERENT OF PILING TESTING ON PROBLEMATICAL SOIL GROUND OF ASTANA, KAZAKHSTAN." International Journal for Computational Civil and Structural Engineering 14, no. 4 (December 21, 2018): 158–71. http://dx.doi.org/10.22337/2587-9618-2018-14-4-158-171.

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At the present time, in Astana city is going on works by construction public transport system LRT (Light Railway Transport). LRT is an overhead road with two railway lines. The first stage of construction is including construction of overhead road (bridge) with 22,4 km length and 18 stations. The foundation of bridge is the bored piles with cross-section 1.0HL5 m and length 8-КЗ 5 m. In these conditions, very important to control integrity of concrete body of each bored piles. For checking integrity- applying two methods - Low Strain Method and Cross-Hole Sonic Logging. The aim of this paper is to discuss the advantages and disadvantages of each method using the examples of a real application. The article presents loading tests of large diameter and deep boring piles on the construction site in new capital city of the Republic of Kazakhstan. Finally, some recommendations for testmg methods suitable for problematical ground conditions of Kazakhstan are introduced. Traditionally, pile load tests in Kazakhstan are carried out using static loading test methods. Static pile loading test is the most reliable method to obtain the load-settlement relation of piles. Results of static pile tests using the static compression loading test (by ASTM). static loading test (by GOST) and bi-direction static loading test (by ASTM) methods are presented in this paper. Experienced bored piles with length of 31.5 m. diameter 1000 mm. Hereafter the results of underground testmg by the piles with the methods of vertical static tests of SLT. BDSLT and SCLT are presented, which had been made on Expo 2017 projects, buildings of Pavilion m Astana. Kazakhstan.
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Becker, N. K., H. R. Patterson, and J. A. McCorquodale. "Design and construction of a 3 km (2 mi) long shoreline protection system for the City of Luna Pier." Canadian Journal of Civil Engineering 13, no. 3 (June 1, 1986): 301–9. http://dx.doi.org/10.1139/l86-042.

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In 1982, N.K. Becker & Associates Ltd. designed a precast concrete flood protection and beach restoration system for the 3 km (2 mi) long Lake Erie shoreline of the City of Luna Pier, Michigan. The construction of these works, which included beach sills, shorewalls, and a marina basin, was completed in 1984.The shorewall system is unique in that it was designed of interconnected, open-ended, earth-filled, thin-walled precast concrete cylinders, placed on-end and in-line to form a continuous wall. This seawall design was selected by the City of Luna Pier over alternative systems because it was estimated to cost 50% less than conventional steel sheet piling or cast-in-place concrete systems.During the final design, hydraulic model tests were carried out at both the University of Michigan and the University of Windsor to study the uprush, scour, longshore transport, and wave pressure characteristics of the proposed system. The methods used to design this economical and functional flood protection system are presented along with an analysis of its performance to date. Key words: beach, beach sill, flushing, hydraulic model testing, ice, longshore drift, overtopping, precast cellular concrete wall system, scour, shorewall, uprush, water levels, waves, wave deflector.
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9

Harris, Devin K., Amir Gheitasi, Theresa M. Ahlborn, and Kevin A. Mears. "Evaluation of Properties of Constructed Tubular-Steel Cast-in-Place Pilings." Transportation Research Record: Journal of the Transportation Research Board 2363, no. 1 (January 2013): 36–46. http://dx.doi.org/10.3141/2363-05.

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Bridge foundations contribute significantly to the serviceability and efficiency of in-service transportation networks. Foundation failure may lead to catastrophic failure of the entire structure, which in turn results in system failure, loss of life, and detours. When the soil within ground surface layers fails to satisfy the bearing capacity requirements, deep foundations such as tubular-steel concrete-filled piles are commonly used in practice. A challenge that often exists with these systems is the uncertainty surrounding in-service capacity as well as condition, which is difficult to determine from the surface. As a consequence, transportation agencies such as the Wisconsin Department of Transportation use conservative approaches, such as neglecting the tubular-steel contribution or bounding the compressive strength of the core concrete, to design these systems. This approach, while effective for safety, can yield overly conservative and costly designs. The main purpose of this investigation was to evaluate the behavior of tubular-steel, concrete-filled, cast-in-place pilings, with a concentration on the compressive strength and composite behavior between concrete core and steel shell. In this regard, a series of experimental studies, including composite and noncomposite compression loading, core samples, push-through, and flexural testing together with a compatible finite element analysis, were conducted on a series of field-cast piles with different geometrical properties. The results indicated that the steel shell made a significant contribution to the axial loading capacity of the cast-in-place piles. Moreover, no evidence of bond loss was observed during the corresponding experimental studies.
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Дисертації з теми "Concrete piling Testing"

1

Richardson, Sarah. "In-Situ Testing of a Carbon/Epoxy IsoTruss Reinforced Concrete Foundation Pile." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1280.pdf.

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Книги з теми "Concrete piling Testing"

1

Juirnarongrit, Teerawut. Effect of pile diameter on the modulus of sub-grade reaction. La Jolla, Calif: Department of Structural Engineering, University of California, San Diego, 2005.

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2

Stephens, Jerry E. Performance of steel pipe pile-to-concrete bent cap connections subject to seismic or high transverse loading, phase II: Final report. Helena]: Montana Dept. of Transportation, 2005.

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3

Stephens, Jerry E. Performance of steel pipe pile-to-concrete bent cap connections subject to seismic or high transverse loading, phase II: Project summary report. Helena, Mont: Montana Dept. of Transportation, 2005.

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4

N, Baker Clyde, American Society of Civil Engineers. Geotechnical Engineering Division., and ASCE National Convention (1985 : Denver, Colo.), eds. Drilled piers and caissons II: Construction under slurry/nondestructive integrity evaluation/load testing/geotechnical behavior under load : proceedings of a session. New York, N.Y: ASCE, 1985.

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