Supporting A National Treasure: Spruce Tree House Alcove Arch Stabilization
Mesa Verse National Park, located in southwestern Colorado, honors the cultural significance of the fantastic cliff dwellings of the Ancestral Pueblo people, who lived in the area from AD 600 to 1300....

Stabilizing the Cliffs of Alcatraz Island: It My Be "The Rock," but it Still Needs Attention!
California's Alcatraz Island was described by some early explorers as an unusually lush rock sticking out of the sea. The rock on the island consists of shale and sandstone members of the late Mesozoic-aged...

Fire in the Hole: Emergency Repairs to the Robinson Creek Tunnel
On the eve of April 26, 2014, an arsonist set fire to the CSX Transportation (CSXT) Robinson Creek tunnel. The tunnel is located about 120 mi. southeast of Lexington, near Pikeville, KY. The 742-ft-long...

Stochastic Conditional Simulation of Berea Sandstone Geophysical Properties with a Counterpropagation Neural Network
The ability of a counterpropagation neural network to produce stochastic conditional simulations is applied and evaluated on a real dataset. This network functions as a nonparametric clustering...

Sandstone Materials Used as Riprap

Design and Construction of the City Link Driven Tunnels

Scalar Properties of Transversely Isotropic Tuff from Images of Orthoganol Cross Sections

Transient and False Transient Simulation of Contaminant Transport in Fractured Permeable Formations

Double-Mass Curve Used on Sedimentology - A Case Study

Construction Through Crude Oil
When the Hilltop Interceptor project in Cleveland confronted oil-saturated sandstone, designers had to rethink their shaft construction and support procedures. Among the hazards were volatile...

Sandstone Materials Used as Riprap
A study was conducted to determine if sandstone materials could be potentially used as riprap. Nineteen rock samples (16 sandstone samples) were collected in six western states. The rock...

Hybrid Grouting Techdniques to Stabilize a Weakly Cemented Sandstone at King Talal Dam, Jordan

Rocky Mountain Project Conceptual Design of Upper Reservoir
The 9300 acre-foot upper reservoir for the Rocky Mountain Project will be formed by an 80-ft high ring dam with a crest length of 12,800 feet. Sandstone and shale of the Pottsville formation...

Restoring the Capitol's West Front
After 25 years of debate, preservation (rather than extension) of the West Front of the U.S. Capitol building in Washington, D.C. has begun. A network of stainless steel rods is being...

Underground
The Civil and Mineral Engineering Building at the University of Minnesota in Minneapolis was designed with careful attention to the environment. In the years ahead, this building will...

Preparation of Friable Aguiferous Specimens
This note describes the procedure adopted for the preparation of friable limestone and sandstone specimens of markedly variable lithology taken from the post-Cretaceous succession of the...

Sand to Sandstone: Foundation Strengthening with Chemical Grout
A large school in San Francisco, built in 1930, was in need of structural rehabilitation to eliminate earthquake hazards. Founded on loose, windblown fine sand, the footings were subject...

A Case History of Expansive Claystone Damage
Over the past 7 yr. nearly –1,000,000 damage has been attributed to expansive soil problems within a square mile tract of rolling hills in Menlo Park, Calif. This area is underlain by...

Strength Versus Energy Dissipation in Sandstone

Experience with Prototype Energy Dissipators
A large number of replies from 200 questionnaires, distributed to obtain all the information possible on experience with prototype stilling devices at dams, indicated that no damage or...

 

 

 

 

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