Map of highway 1 collapse

    • [PDF File]Rural Roads: A Construction and Maintenance Guide for ...

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      reational access by over 500,000 landowners (fig. 1). The California Department of Forestry and Fire Protection (CAL FIRE) estimates that another 2.7 million acres of forest and rangeland will be developed over the next 40 years, requiring the construc-tion of thousands of miles of new roads (CAL FIRE 2003). Poorly located, designed,


    • [PDF File]Take to the Open Road – Accessing Highway 1 in SLO CAL

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      1) Drive North on US-101. 2) Take Exit for Highway 1 toward Morro Bay. 3) Follow Highway 1 to Ragged Point. 4) Return via Highway 1 South to CA-46 E/Green Valley Road (approx 30 min.). 5) Northbound travelers head east on CA 46 to US-101 North . Turn Over for a Detailed SLO CAL Map and Activities »»»


    • [PDF File]Preliminary Evaluation of Structures: Whittier Narrows ...

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      The October 1, 1987 Whit tier Narrows, California earthquake (ML = 6.1 - NEIS, Caltech) occurred at 1442 GMT (0742 PDT), had its epicenter at 34.058°N and 118.077°W and had a depth of 12 km. The earthquake was the strongest shaking that has occurred in the Los Angeles basin since the February 9, 1971 San Fernando earthquake (Mi = 6.4).


    • [PDF File]Conquest and Settlement in Canaan I. Introduction

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      the collapse of the Hittite Empire as well as the decline in Egypt. During this time there was no major power in Mesopotamia to take advantage of a weakened Egypt. The lack of any major power in the area created an opportunity for the smaller states to grow and take control over the Levant. Click map to see a larger image


    • [PDF File]Ground Motions for Design - USGS

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      ground motion 1.5 times the design level, the structure should have a low likelihood of collapse. The SDPG recognized that quantification of this margin is dependent on the type of structure, detailing requirements, etc., but the 1.5 factor was considered a conservative judgment appropriate for structures designed in


    • [PDF File]CHARACTERISTICS AND PROB LEMS OF COLLAPSI BLE SOILS

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      saturation. Soil collapse due to wetting can cause severe damage to canals, dams, pumping plants, powerplants, pipelines, roads, buildings, fields, and miscellaneous structures associated with irrigation projects. Existence of these metastable soils has long been recognized by



    • [PDF File]Positioning Apparatus - IFSTA

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      Chapter 4 • Positioning Apparatus 137 • Consider the best access point for personnel and equipment entering the occupancy when parking the apparatus. This will allow personnel efficient access to the building to begin an investigation.


    • [PDF File]SURFICIAL GEOLOGY OF THE ALASKA HIGHWAY CORRIDOR, TETLIN ...

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      21. Chaotic vegetation indicating collapse of gully walls in intermittent drainage west of ... Sheet 1. Surfi cial-geologic map, Alaska Highway corridor, parts of Tanacross A-1, A-2, A-3, and ... the surfi cial geology map was prepared (sheets 1–2).


    • The Cost of Karst Subsidence and Sinkhole Collapse in the ...

      strophic sinkhole collapse, is a significant natural hazard with national scope. Although the potential for subsid-ence or sinkhole occurrence is aerially variable, areas underlain by relatively soluble carbonate and evaporite rocks exist in all 50 states (Figure 1). Sinkhole collapse tends to occur more often in the east-


    • [PDF File]The Nimitz Freeway

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      The collapse of the Nimitz Freeway was extensively ana-lyzed by numerous organizations.1-4 Their main goal was to assist in the design of new free-way structures or to retrofit existing freeway structures so that they would be more resistant to collapse from future earthquakes. However, the failure of the Nimitz Freeway also provides a dramatic and


    • [PDF File]RECOMMENDED LRFD GUIDELINES FOR THE SEISMIC DESIGN OF ...

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      is a probabilistic map of peak ground acceleration (PGA) on rock that was developed by the U.S. Geological Survey (USGS) in 1990. The map provides contours of PGA for a probability of exceedance (PE) of 10% in 50 years, which corresponds to approximately 15% PE in the 75-year design life assumed by the LRFD specifications for a typical highway


    • [PDF File]NORTH DAKOTA ENHANCED AUTOMATED ROUTING FOR E PERMITS

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      Department of Transportation and Highway Patrol use the EAR system to route permits and to ... By Selecting a Location on a Map ... FIGURE 1: COLLAPSE TO HIDE FIGURE 2: EXPAND TO EDIT ROUTE ...


    • Mapping Surface and Subsurface Karst Geohazards for ...

      Highway (SR 168). In an attempt to properly evaluate the potential for geologic hazards along the project, an effort was made to locate all sinkholes and caves within the project area, karst being the primary geologic hazard identified. To this effort, a karst map and a map of one cave was completed. General Geology of Proposed Corridor


    • [PDF File]Iconic Big Sur Route Reclaimed

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      Highway 1 Crews Have Realigned, Strengthened Section After Massive Slide B uilding. a new roadway across the remnants of the largest known landslide ever to strike the Big Sur coast has mostly fnished, and Highway 1 opened in mid-July, about two months ahead of schedule. “Rebuilding Highway 1 and restoring trafc along


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