All public logs

Combined display of all available logs of ASDSO Dam Safety Toolbox. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 15:30, 17 September 2022 Grichards talk contribs created page Global Stability of a Dam (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- {| align="right" style="width:10%;" cellpadding="7" | 350px|x350px|link=https://damfailures.org/lessons-learned/concrete-gravity-dams-should-be-evaluated-to-accommodate-full-uplift/ |- |style="text-align:center; font-size:90%;"| Learn more about the need to consider uplift pressure when designing a gravity structure at [https:/...")
• 15:23, 17 September 2022 Grichards talk contribs created page File:DWG1.jpg
• 15:23, 17 September 2022 Grichards talk contribs uploaded File:DWG1.jpg
• 07:33, 17 September 2022 Grichards talk contribs created page File:Geot1.png
• 07:33, 17 September 2022 Grichards talk contribs uploaded File:Geot1.png
• 07:28, 17 September 2022 Grichards talk contribs created page Reservoir Rim Stability (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> Paragraph text ==Examples== {{Website Icon}} [https://damfailures.org/lessons-learned/stability-of-the-dam-foundation-and-other-geologic-features-must-be-considered-during-dam-design/ Learn more about the need to assess the stability of the dam foundation and other nearby geologic features (DamFailures.or...")
• 07:24, 17 September 2022 Grichards talk contribs created page Static Deformation (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> Paragraph text ==Best Practices Resources== {{Document Icon}} Design Standards No. 13: Embankment Dams (Ch. 9: Static Deformation Analysis) (Bureau of Reclamation) <!-- In the location of an in text citation, simply enclose...")
• 07:07, 17 September 2022 Grichards talk contribs created page Stability (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> Paragraph text ==Examples== * Link Name {{Website Icon}} [https://damfailures.org/lessons-learned/stability-of-the-dam-foundation-and-other-geologic-features-must-be-considered-during-dam-design/ Learn more about the need to assess the stability of the dam foundation and other nearby geologic feature...")
• 07:03, 17 September 2022 Grichards talk contribs created page Underseepage (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> Paragraph text ==Mitigation Measurese== * Relief wells * Cutoff * Grouting * Lining ==Examples== {{Website Icon}} [https://damfailures.org/case-study/teton-dam-idaho-1976/ Learn about the underseepage and internal erosion at Teton Dam that ultimately led to its failure (DamFailures.org)]...")
• 05:07, 17 September 2022 Grichards talk contribs moved page Scour Analysis to Erosion & Scour Mitigation without leaving a redirect
• 05:05, 17 September 2022 Grichards talk contribs created page Spillway Integrity Analysis (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- {{Picture <!-- Add image file name (ex.image.jpg) --> |image=ASW1.jpg <!--Add link if applicable --> |link= <!-- Add picture caption --> |caption=This earth cut, vegetated spillway completely eroded through during a flood resulting in an uncontrolled release of the reservoir. }} <!-- Introductory paragraph or topic page summary --> Earth-cut auxiliary spillw...")
• 04:51, 17 September 2022 Grichards talk contribs created page File:ASW1.jpg
• 04:51, 17 September 2022 Grichards talk contribs uploaded File:ASW1.jpg
• 04:27, 17 September 2022 Grichards talk contribs created page File:Creep5.png
• 04:27, 17 September 2022 Grichards talk contribs uploaded File:Creep5.png
• 04:08, 17 September 2022 Grichards talk contribs created page Stagnation Pressures (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> Paragraph text ==Best Practices Resources== {{Document Icon}} Hydraulic Design of Spillways (EM 1110-2-1603) (U.S. Army Corps of Engineers) {{Document Icon}} Design Standards No. 14: Appurtenant Structures for Dams (Ch. 3: General Spillway Design Consid...")
• 04:06, 17 September 2022 Grichards talk contribs created page Cavitation (Created page with " <!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- {| align="right" style="width:10%;" cellpadding="7" | 350px|x350px|link=https://damfailures.org/case-study/glen-canyon-dam-arizona-1983/ |- |style="text-align:center; font-size:90%;"| Learn more about the dangers of cavitation at [https://damfailures.org/case-study/glen-canyon-dam-arizona-1983/ DamFailures.org] |} <!-- Introductory paragr...")
• 04:03, 17 September 2022 Grichards talk contribs created page File:Cav1.png
• 04:03, 17 September 2022 Grichards talk contribs uploaded File:Cav1.png
• 03:59, 17 September 2022 Grichards talk contribs created page Spillway Terminal Structure Hydraulics (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> “The design of the energy dissipator probably includes more options than any other phase of spillway design. The selection of the type and design details of the dissipator is largely dependent upon the pertinent characteristics of the site, the magnitude of energy to be dissipated, and to a lesser extent...")
• 03:57, 17 September 2022 Grichards talk contribs created page Spillway Chute Hydraulics (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> “The chute is that portion of the spillway which connects the crest curve to the terminal structure. The term chute when used in conjunction with a spillway implies that the velocity is supercritical; thus, the Froude number is greater than one. When the spillway is an integral part of a concrete gravity...")
• 03:51, 17 September 2022 Grichards talk contribs created page Spillway Control Structures (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- {{Picture <!-- Add image file name (ex.image.jpg) --> |image=LAB2.JPG <!--Add link if applicable --> |link= <!-- Add picture caption --> |caption=Labyrinth spillways are commonly installed to increase weir length and the associated discharge capacity. }} <!-- Introductory paragraph or topic page summary --> “The value of an uncontrolled fixed crest spillwa...")
• 03:41, 17 September 2022 Grichards talk contribs created page File:LAB2.JPG
• 03:41, 17 September 2022 Grichards talk contribs uploaded File:LAB2.JPG
• 03:38, 17 September 2022 Grichards talk contribs created page Spillway Approach Hydraulics (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- “Spillway approach configuration will influence the abutment contraction coefficient, the nappe profile, and possibly the flow characteristics throughout the spillway chute and stilling basin.” <ref name="EM110-2-1603"> EM 1110-2-1603 Hydraulic Design of Spillways, USACE, 1992</ref> ==Best Practices Res...")
• 03:22, 17 September 2022 Grichards talk contribs created page File:CFD1.png
• 03:22, 17 September 2022 Grichards talk contribs uploaded File:CFD1.png
• 03:11, 17 September 2022 Grichards talk contribs created page Groundwater (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> Paragraph text ==Best Practices Resources== {{Document Icon}} National Engineering Handbook: Chapter 30- Groundwater Hydrology and Geology (Natural Resources Conservation Service) <!-- In the location of an in text...")
• 03:05, 17 September 2022 Grichards talk contribs created page File:Palagnedra2.png
• 03:05, 17 September 2022 Grichards talk contribs uploaded File:Palagnedra2.png
• 02:58, 17 September 2022 Grichards talk contribs created page Hydrologic Hazard (Created page with "---- Hydrologic hazard curves are defined as graphs of peak flow and volume (for specified durations) versus Annual Exceedance Probability (AEP). These curves are used in risk analyses to evaluate and prioritize the need for dam safety modifications. ==Training== {{Video Icon}} On-Demand Webinar: Hydrologic Hazards – Estimating Probabilities of Extreme Floods")
• 01:12, 17 September 2022 Grichards talk contribs moved page Rainfall-Runoff Modelling to Rainfall-Runoff Modeling without leaving a redirect
• 01:10, 17 September 2022 Grichards talk contribs moved page Stochastic Modelling to Stochastic Modeling without leaving a redirect
• 01:08, 17 September 2022 Grichards talk contribs created page Reach Routing (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> “Two important judgements are needed by the engineer when developing data for channel reach routing. One is the selection of a representative cross section. This cross section should represent an average flow velocity through the reach. If there are several cross sections available for selection, the eng...")
• 01:05, 17 September 2022 Grichards talk contribs created page Unit Hydrograph (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> “In the 1930’s, L.K. Sherman (Sherman 1932, 1940) advanced the theory of the unit hydrograph, or unit graph. The unit hydrograph procedure assumes that discharge at any time is proportional to the volume of runoff and that time factors affecting hydrograph shape are constant”.<ref name="NEH210-630-16...")
• 01:00, 17 September 2022 Grichards talk contribs created page Rainfall Losses (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- {{Picture <!-- Add image file name (ex.image.jpg) --> |image= <!--Add link if applicable --> |link= <!-- Add picture caption --> |caption= }} <!-- Introductory paragraph or topic page summary --> “Evaporation data is usually required for reservoir studies, particularly for low-flow analysis. Reservoir evaporation is typically estimated by measuring pan eva...")
• 00:57, 17 September 2022 Grichards talk contribs created page Precipitation Estimates (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> “In areas of relatively uniform terrain and little spatial variability or precipitation, classical textbook procedures, such as Thiessen polygons or the isohyetal method, can be used and are generally adequate. These procedures are simple methods of developing spatial averages from point measurements bu...")
• 00:53, 17 September 2022 Grichards talk contribs created page Watershed Delineation (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> “For most hydrologic studies, it is essential that good topographic maps be used. It is important that the maps contain contours of ground-surface elevation, so that drainage basins can be delineated and important features such as slopes, exposure, and stream patterns can be measured”.<ref name="EM 111...")
• 23:53, 16 September 2022 Grichards talk contribs created page Reservoir Drawdown (Created page with "__NOTOC__ ---- <!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> “Where practicable, reservoir release facilities should be provided to lower the pool to a safe level adequate to correct conditions that might threaten the integrity f the dam”.<ref name="FEMA94">Selecting and Accommodating Inflow Design Floods for Dams (FEMA P-94) | FEMA P-94 Federal Guidelines for Dam Safety: Selecting and Accommodating Inflow Design...")
• 23:52, 16 September 2022 Grichards talk contribs created page Normal Streamflow Conditions (Created page with "__NOTOC__ ---- <!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> “Water quality releases for downstream control have both qualitative and quantitative requirements. The quality aspects relate to Corp’s policy and objectives to meet state water quality standards, maintain present water quality where standards are exceeded, and maintain an acceptable tailwater habitats for aquatic life... One of the most important measu...")
• 23:44, 16 September 2022 Grichards talk contribs created page File:IDF2.jpg
• 23:44, 16 September 2022 Grichards talk contribs uploaded File:IDF2.jpg
• 23:33, 16 September 2022 Grichards talk contribs deleted page New Dam (content was: "#REDIRECT New Dams", and the only contributor was "Grichards" (talk))
• 23:33, 16 September 2022 Grichards talk contribs moved page New Dam to New Dams
• 23:29, 16 September 2022 Grichards talk contribs created page File:DOA.jpg
• 23:29, 16 September 2022 Grichards talk contribs uploaded File:DOA.jpg
• 23:24, 16 September 2022 Grichards talk contribs moved page General Engineering to Engineering without leaving a redirect
• 23:16, 16 September 2022 Grichards talk contribs created page Full Scale Exercise (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> "A full-scale exercise is a multi-agency, multi-jurisdictional, multi-discipline exercise involving functional, e.g., joint field office, emergency operation centers, and "boots on the ground" response to a simulated event, such as activation of the EOC and role-playing to simulate an actual dam failure."...")
• 23:12, 16 September 2022 Grichards talk contribs created page Functional Exercise (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> "A tabletop exercise involves key personnel discussing simulated scenarios in an informal setting. Tabletop exercises can be used to assess plans, policies, and procedures." <ref name="EAP">Engineering Guidelines for the Evaluation of Hydropower Projects: Chapter 6- Emergency Action Plans| Engineering Gu...")
• 23:12, 16 September 2022 Grichards talk contribs created page Tabletop Exercise (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ ---- <!-- Introductory paragraph or topic page summary --> "A tabletop exercise involves key personnel discussing simulated scenarios in an informal setting. Tabletop exercises can be used to assess plans, policies, and procedures." <ref name="EAP">Engineering Guidelines for the Evaluation of Hydropower Projects: Chapter 6- Emergency Action Plans| Engineering Gu...")