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A Possible Test Site For A High And Low Velocity Rock Interface Experiment Climax Stock Area 15 Nevada Test Site
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Book Synopsis A Possible Test Site for a High- and Low-velocity Rock Interface Experiment, Climax Stock, Area 15, Nevada Test Site by : Carter H. Miller
Download or read book A Possible Test Site for a High- and Low-velocity Rock Interface Experiment, Climax Stock, Area 15, Nevada Test Site written by Carter H. Miller and published by . This book was released on 1973 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Climax Granite, Nevada Test Site, as a Host for a Rock Mechanics Test Facility Related to the Geologic Disposal of High Level Nuclear Wastes by :
Download or read book Climax Granite, Nevada Test Site, as a Host for a Rock Mechanics Test Facility Related to the Geologic Disposal of High Level Nuclear Wastes written by and published by . This book was released on 1981 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document discusses the potential of the Climax pluton, at the Nevada Test Site, as the host for a granite mechanics test facility related to the geologic disposal of high-level nuclear waste. The Climax granitic pluton has been the site of three nuclear weapons effects tests: Hard Hat, Tiny Tot, and Piledriver. Geologic exploration and mapping of the granite body were performed at the occasion of these tests. Currently, it is the site Spent Fuel Test (SFT-C) conducted in the vicinity of and at the same depth as that of the Piledriver drifts. Significant exploration, mapping, and rock mechanics work have been performed and continue at this Piledriver level - the 1400 (ft) level - in the context of SFT-C. Based on our technical discussions, and on the review of the significant geological and rock mechanics work already achieved in the Climax pluton, based also on the ongoing work and the existing access and support, it is concluded that the Climax site offers great opportunities for a rock mechanics test facility. It is not claimed, however, that Climax is the only possible site or the best possible site, since no case has been made for another granite test facility in the United States. 12 figures, 3 tables.
Book Synopsis Geology of the Source Physics Experiment Site, Climax Stock, Nevada National Security Site by :
Download or read book Geology of the Source Physics Experiment Site, Climax Stock, Nevada National Security Site written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A test bed for a series of chemical explosives tests known as Source Physics Experiments (SPE) was constructed in granitic rock of the Climax stock, in northern Yucca Flat at the Nevada National Security Site in 2010-2011. These tests are sponsored by the U.S. Department of Energy, National Nuclear Security Administration's National Center for Nuclear Security. The test series is designed to study the generation and propagation of seismic waves, and will provide data that will improve the predictive capability of calculational models for detecting and characterizing underground explosions. Abundant geologic data are available for the area, primarily as a result of studies performed in conjunction with the three underground nuclear tests conducted in the Climax granite in the 1960s and a few later studies of various types. The SPE test bed was constructed at an elevation of approximately 1,524 meters (m), and consists of a 91.4-centimeter (cm) diameter source hole at its center, surrounded by two rings of three 20.3-cm diameter instrument holes. The inner ring of holes is positioned 10 m away from the source hole, and the outer ring of holes is positioned 20 m from the source hole. An initial 160-m deep core hole was drilled at the location of the source hole that provided information on the geology of the site and rock samples for later laboratory testing. A suite of geophysical logs was run in the core hole and all six instruments holes to obtain matrix and fracture properties. Detailed information on the character and density of fractures encountered was obtained from the borehole image logs run in the holes. A total of 2,488 fractures were identified in the seven boreholes, and these were ranked into six categories (0 through 5) on the basis of their degree of openness and continuity. The analysis presented here considered only the higher-ranked fractures (ranks 2 through 5), of which there were 1,215 (approximately 49 percent of all fractures identified from borehole image logs). The fractures were grouped into sets based on their orientation. The most ubiquitous fracture set (50 percent of all higher-ranked fractures) is a group of low-angle fractures (dips 0 to 30 degrees). Fractures with dips of 60 to 90 degrees account for 38 percent of high-ranked fractures, and the remaining 12 percent are fractures with moderate dips (30 to 60 degrees). The higher-angle fractures are further subdivided into three sets based on their dip direction: fractures of Set 1 dip to the north-northeast, fractures of Set 2 dip to the south-southwest, and Set 3 consists of high-angle fractures that dip to the southeast and strike northeast. The low-angle fractures (Set 4) dip eastward. Fracture frequency does not appear to change substantially with depth. True fracture spacing averages 0.9 to 1.2 m for high-angle Sets 1, 2, and 3, and 0.6 m for Set 4. Two significant faults were observed in the core, centered at the depths of 25.3 and 32.3 m. The upper of these two faults dips 80 degrees to the north-northeast and, thus, is related to the Set-1 fractures. The lower fault dips 79 degrees to the south-southwest and is related to SPE Set-2 fractures. Neither fault has an identifiable surface trace. Groundwater was encountered in all holes drilled on the SPE test bed, and the fluid level averaged about 15.2 to 18.3 m below ground surface. An informal study of variations in the fluid level in the holes conducted during various phases of construction of the test bed concluded that groundwater flow through the fractured granitic rocks is not uniform, and appears to be controlled by variations in the orientation and degree of interconnectedness of the fractures. It may also be possible that an aplite dike or quartz vein may be present in the test bed, which could act as a barrier to groundwater flow and, thus, could account for anisotropy seen in the groundwater recovery measurements.
Book Synopsis Nevada Test Site (NTS) and Off-site Locations in the State of Nevada, Tonopah Test Range, Portions of the Nellis AFB Range (NAFR) Complex, the Central Nevada Test Area, and Shoal Area, Nye County by :
Download or read book Nevada Test Site (NTS) and Off-site Locations in the State of Nevada, Tonopah Test Range, Portions of the Nellis AFB Range (NAFR) Complex, the Central Nevada Test Area, and Shoal Area, Nye County written by and published by . This book was released on 1996 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Climax Granite, Nevada Test Site, as a Host for a Rock Mechanics Test Facility Related to the Geologic Disposal of High Level Nuclear Wastes by : Francois E. Heuze
Download or read book The Climax Granite, Nevada Test Site, as a Host for a Rock Mechanics Test Facility Related to the Geologic Disposal of High Level Nuclear Wastes written by Francois E. Heuze and published by . This book was released on 1981 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1983 with total page 1474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spent Fuel Test Project, Climax Granitic Stock, Nevada Test Site by :
Download or read book Spent Fuel Test Project, Climax Granitic Stock, Nevada Test Site written by and published by . This book was released on 1980 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Spent Fuel Test-Climax (SFT-C) is a test of dry geologic storage of spent nuclear reactor fuel. The SFT-C is located at a depth of 420 m in the Climax granitic stock at the Nevada Test Site. Eleven canisters of spent commercial PWR fuel assemblies are to be stored for 3 to 5 years. Additional heat is supplied by electrical heaters, and more than 800 channels of technical information are being recorded. The measurements include rock temperature, rock displacement and stress, joint motion, and monitoring of the ventilation air volume, temperature, and dewpoint.
Download or read book Climax Granite Test Results written by and published by . This book was released on 1980 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Lawrence Livermore Laboratory (LLL), as part of the Nevada Nuclear Waste Storage Investigations (NNWSI) program, is carrying out in situ rock mechanics testing in the Climax granitic stock at the Nevada Test Site (NTS). This summary addresses only those field data taken to date that address thermomechanical modeling for a hard-rock repository. The results to be discussed include thermal measurements in a heater test that was conducted from October 1977 through July 1978, and stress and displacement measurements made during and after excavation of the canister storage drift for the Spent Fuel Test (SFT) in the Climax granite. Associated laboratory and field measurements are summarized. The rock temperature for a given applied heat load at a point in time and space can be adequately modeled with simple analytic calculations involving superposition and integration of numerous point source solutions. The input, for locations beyond about a meter from the source, can be a constant thermal conductivity and diffusivity. The value of thermal conductivity required to match the field data is as much as 25% different from laboratory-measured values. Therefore, unless we come to understand the mechanisms for this difference, a simple in situ test will be required to obtain a value for final repository design. Some sensitivity calculations have shown that the temperature field is about ten times more sensitive to conductivity than to diffusivity under the test conditions. The orthogonal array was designed to detect anisotropy. After considering all error sources, anisotropic efforts in the thermal field were less than 5 to 10%.
Book Synopsis Geologic Effects from an Underground Test at the Pile Driver Site, Area 15, Nevada Test Site by : P. J. Barosh
Download or read book Geologic Effects from an Underground Test at the Pile Driver Site, Area 15, Nevada Test Site written by P. J. Barosh and published by . This book was released on 1967 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Velocity Logging and Seismic Velocity of Rocks in the Rainier Mesa Area, Nevada Test Site, Nevada by : Roderick D. Carroll
Download or read book Velocity Logging and Seismic Velocity of Rocks in the Rainier Mesa Area, Nevada Test Site, Nevada written by Roderick D. Carroll and published by . This book was released on 1988 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Nevada Test Site by : Colleen Curran Griego
Download or read book The Nevada Test Site written by Colleen Curran Griego and published by . This book was released on 1994 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chukar Mesa Investigation by : Richard J. Lutton
Download or read book Chukar Mesa Investigation written by Richard J. Lutton and published by . This book was released on 1967 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: A site in dry basalt was selected from six possible areas at the Nevada Test Site for a low-yield nuclear row-charge cratering experiment. Topography is relatively flat over an approximately square area about 3,000 feet across; the area is bounded on three sides by canyons. The site consists of about 330 feet of horizontal basalt flows resting on tuff breccia, other basalt flows, and a thick vitrophyric flow. Unconfined compressive strengths on intact materials tend to decrease with increasing porosity from 23,000 psi for dense basalt to 6,200 psi for vesicular basalt with 20 to 30 percent vesicles. The porous tuff breccia has compressive strengths as low as 1,100 psi. (Author).
Book Synopsis Determination of in Situ Stress in U12g Tunnel, Rainier Mesa, Nevada Test Site, Nevada by : W. L. Ellis
Download or read book Determination of in Situ Stress in U12g Tunnel, Rainier Mesa, Nevada Test Site, Nevada written by W. L. Ellis and published by . This book was released on 1976 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book In Situ Geomechanics written by and published by . This book was released on 1981 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The in situ modulus of the Climax granite in the Spent Fuel Test (SFT-C) area of the Nevada Test Site was estimated using six different approaches. Our best estimate of field modulus as E/sub f/ = 26 GPa was obtained from a comparison of the various approaches. A best estimate of laboratory modulus acquired by comparing three different sources was E/sub l/ = 70 GPa. Therefore, the modulus reduction factor for the Climax granite appears to be E/sub f//E/sub l/ = 0.37. In turn, our estimate of in situ rock-mass deformability was used to back-calculate in situ values for the normal stiffness of the granite joints. Our analysis of former stress measurements by the US Geological Survey (USGS) shows that the horizontal stresses in the vicinity of SFT-C vary greatly with azimuth. An unexplained feature of the stresses at SFT-C is the fact that the vertical stress appears to be only 65 to 75% of the calculated lithostatic burden. From the three-dimensional stress ellipsoid at mid-length in the tunnels, assuming a plane strain condition, we were able to estimate an in situ Poisson's ratio of the rock mass as [nu] = 0.246. Two other techniques were applied in an attempt to measure the stresses around the SFT-C heater and canister drifts: the undercoring method and the borehole jack fracturing approach. The former technique appears to have given reasonable estimates of tangential stresses in the roof of the heater drifts; the latter appears to give low results for stresses in the pillars. Specific recommendations are made for future tests to further characterize the mechanical properties of the Climax granite and the in situ stresses at SFT-C.
Book Synopsis Nevada Test Site by : Geological Society of America. Rocky Mountain Section
Download or read book Nevada Test Site written by Geological Society of America. Rocky Mountain Section and published by . This book was released on 1968 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Engineering Test Plan for Field Radionuclide Migration Experiments in Climax Granite by :
Download or read book Engineering Test Plan for Field Radionuclide Migration Experiments in Climax Granite written by and published by . This book was released on 1982 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Engineering Test Plan (ETP) describes field studies of radionuclide migration in fractured rock designed for the Climax grainite at the Nevada Test Site. The purpose of the ETP is to provide a detailed written document of the method of accomplishing these studies. The ETP contains the experimental test plans, an instrumentation plan, system schematics, a description of the test facility, and a brief outline of the laboratory support studies needed to understand the chemistry of the rock/water/radionuclide interactions. Results of our initial hydrologic investigations are presented along with pretest predictions based on the hydrologic test results.
Book Synopsis High Pressure Hugoniot Measurements for Several Nevada Test Site Rocks by : F. H. Shipman
Download or read book High Pressure Hugoniot Measurements for Several Nevada Test Site Rocks written by F. H. Shipman and published by . This book was released on 1969 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: High pressure hugoniot state measurements were performed on five Nevada test site (NTS) rocks, a schitose gneiss and a volcanic tuff impedance-matching grout. In addition several experiments were performed on OFHC copper and a copper-nickel-tungsten alloy. These two metals were employed throughout the program as hugoniot impedance match standards. The report describes the experimental procedures and target designs employed. The data analysis procedure is presented with a discussion of sources of experimental error. (Author).
