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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).
- 20:57, 21 June 2024 [email protected] talk contribs created page File:HydrologicModelingSystem.png
- 20:57, 21 June 2024 [email protected] talk contribs uploaded File:HydrologicModelingSystem.png
- 20:37, 21 June 2024 [email protected] talk contribs created page File:NaturalSeepage.jpg
- 20:37, 21 June 2024 [email protected] talk contribs uploaded File:NaturalSeepage.jpg
- 20:27, 21 June 2024 [email protected] talk contribs created page File:RegulatoryAgency.jpg
- 20:27, 21 June 2024 [email protected] talk contribs uploaded File:RegulatoryAgency.jpg
- 20:18, 21 June 2024 [email protected] talk contribs created page File:SluicingTunnelStrawberry.jpg
- 20:18, 21 June 2024 [email protected] talk contribs uploaded File:SluicingTunnelStrawberry.jpg
- 20:10, 21 June 2024 [email protected] talk contribs created page File:PreProjectUnderstanding.jpg
- 20:10, 21 June 2024 [email protected] talk contribs uploaded File:PreProjectUnderstanding.jpg
- 20:05, 21 June 2024 [email protected] talk contribs created page Pre-Modeling Communication: Consequence Estimation Considerations (Created page with "* State the software selection and describe the limitations of the program as they apply to this project. * Describe the scenarios to be modeled and any scenario-specific assumptions that will be applied. * Note the sources of information for project-specific input and model-specific parameters and describe the uncertainties or limitations of that information. Also identify data needs and how those gaps will be addressed. * Describe the anticipated model extent and...")
- 20:04, 21 June 2024 [email protected] talk contribs created page Pre-Modeling Communication: Hydraulic Model Considerations (Created page with "* State the software selection and describe the limitations of the program as they apply to this project. * Describe the hydraulic scenarios to be modeled and any scenario-specific assumptions that will be applied. * Note the sources of information and describe the uncertainties or limitations of that information. Also identify data needs and how those gaps will be addressed. * State whether a steady or unsteady flow condition will be modeled. Also state whether...")
- 19:58, 21 June 2024 [email protected] talk contribs created page Pre-Modeling Communication: Hydrologic Model Considerations (Created page with "* State the software selection and describe the limitations of the program as they apply to this project. * Describe the hydrologic scenarios to be modeled and any scenario-specific assumptions that will be applied. * Note the sources of information and describe the uncertainties or limitations of that information. Also identify data needs and how those gaps will be addressed. * Describe the approach to watershed and subbasin delineation. Watersheds should be subdi...")
- 19:51, 21 June 2024 [email protected] talk contribs created page Pre-Modeling Communication: Seepage Model Considerations (Created page with "* State the software selection and describe the limitations of the program as they apply to this project. * State whether a steady state or transient model will be used. Consider a phased approach if there is uncertainty whether the problem warrants a steady-state or transient model. Document reasons for this uncertainty. * State whether a two-dimensional or three-dimensional model will be used. Consider a phased approach if there is uncertainty whether the problem warr...")
- 19:49, 21 June 2024 [email protected] talk contribs created page Pre-Modeling Communication: Slope Stability Model Considerations (Created page with "● State the software selection and describe the limitations of the program as they apply to this project. ● State whether a two-dimensional or three-dimensional model will be used. Consider a phased approach if there is uncertainty whether the problem warrants a two-dimensional or three-dimensional model. Document reasons for this uncertainty. ● Describe the basis for material parameters to be selected. Summarize existing materials and new materials. ● Note...")
- 19:24, 21 June 2024 [email protected] talk contribs created page Step 4 of Pre-Analysis Communication: Proceed with Modeling and Keep Communication Channels Open (Created page with "After the scope of work is developed, agreed upon by the dam owner and engineer, and a corresponding modeling plan is approved by the regulatory agency, the modeling effort can begin. After the consultant or modeler has collected and reviewed all pertinent data and performed preliminary analysis, it may be beneficial to hold an additional meeting with the owner or both the owner and regulator. This allows the project team to reassess key assumptions and further agree upo...")
- 19:23, 21 June 2024 [email protected] talk contribs created page Step 3 of Pre-Analysis Communication: Obtain Concurrence from Regulatory Agency (Created page with "Once the owner and modeler have agreed upon a scope of work, it is time to involve the regulatory agency or agencies. To do so, a meeting can be held to present portions of the agreed upon Scope of Work such as: • Purpose of the model • Justification for model in terms of regulatory agency requirements • Modeling approach, including software, assumptions, scenarios, validation/calibration plan, etc. • Quality assurance plan • Anticipated schedule including t...")
- 19:22, 21 June 2024 [email protected] talk contribs created page Step 2 of Pre-Analysis Communication: Develop Scope of Work (Created page with "Once each of the aforementioned items have been evaluated and project objectives are understood, the owner and/or modeler will have the key information necessary to develop an adequate scope of work for the modeling effort. The scope of work should include all tasks needed to fulfill the model’s purpose.")
- 19:15, 21 June 2024 [email protected] talk contribs created page Step 1 of Pre-Analysis Communication: Develop Project Understanding and Objectives (Created page with "Prior to commencing any modeling effort, an understanding of the model objectives, project constraints, and overall approach should be developed. In order to develop this project understanding, the dam owner and engineer/modeler should meet to discuss the modeling approach, including items that can substantially impact cost and/or schedule. Commonly, the regulator is not involved in early scope of work discussions that have financial or contractual components.")
- 19:12, 21 June 2024 [email protected] talk contribs created page File:FlowChart.jpg
- 19:12, 21 June 2024 [email protected] talk contribs uploaded File:FlowChart.jpg
- 23:38, 17 January 2024 [email protected] talk contribs created page Remotely Operated Vehicle Inspection (Created page with "__NOTOC__ Category:Inspections ---- {{Picture <!-- Add image file name (ex.image.jpg) --> |image= Diga_di_Stramentizzo_drone.jpg <!--Add link if applicable --> |link= <!-- Add picture caption --> |caption= Drone photograph of Stramentizzo Dam, Italy. (Image Source: [https://commons.wikimedia.org/wiki/File:Diga_di_Stramentizzo_drone_04.jpg Wikimedia]) }} <!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> Remote dam...")
- 19:39, 20 November 2023 [email protected] talk contribs created page Permit Application and Approval Process (Created page with "__NOTOC__ Category:Environmental ---- The construction of dams requires careful planning and regulatory oversight to ensure their safety, environmental sustainability, and compliance with legal requirements. The first step in the permit application process for dams is identifying the need for a dam and conducting a feasibility study. Factors such as water availability, potential environmental impacts, economic viability, and social cons...")
- 21:33, 3 November 2023 [email protected] talk contribs created page Flood Pool/Storage (Created page with "__NOTOC__ Category:Reservoirs ---- <!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> The flood pool represents the designated space within a reservoir that is reserved to store excess water during flood events. It provides a dedicated space to store excess water during flood events and aims to protect downstream communities, infrastructure, and ecosystems by reducing the peak flows downstream and managing floodwaters i...")
- 22:02, 28 September 2023 [email protected] talk contribs created page Open Channel Flow (Created page with "__NOTOC__ Category:Hydraulics ---- The primary objective of studying open channel flow in dams is to understand the hydraulic behavior of water as it moves through the various channels and structures. This understanding helps engineers design and operate the dam system effectively, ensuring efficient water conveyance, flood control, and reservoir management. The study of open channel flow also aids in assessing the potential for erosion, sediment...")
- 17:37, 28 August 2023 [email protected] talk contribs created page File:LabyrinthSpillwayASCE.jpg
- 17:37, 28 August 2023 [email protected] talk contribs uploaded File:LabyrinthSpillwayASCE.jpg
- 23:53, 25 August 2023 [email protected] talk contribs created page Piano Key Weir Head Discharge Relationships, Thesis by Ricky Anderson, Utah State University (Created page with "https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1876&context=etd")
- 23:53, 25 August 2023 [email protected] talk contribs created page Hydraulic Performance of Piano Key Weir with Linear and Curvilinear Profiles of Outlet Keys, Thesis by Prakash Kumar Sinha, Binit Kumar, and Zulfequar Ahmad, Utah State University, International Symposium on Hydraulic Structures (Created page with "https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1523&context=ishs")
- 23:43, 25 August 2023 [email protected] talk contribs created page File:Pianokeytrial.png
- 23:43, 25 August 2023 [email protected] talk contribs uploaded File:Pianokeytrial.png
- 23:10, 25 August 2023 [email protected] talk contribs created page File:Pianokeyweir.jpg
- 23:10, 25 August 2023 [email protected] talk contribs uploaded File:Pianokeyweir.jpg
- 15:06, 21 August 2023 [email protected] talk contribs created page Safety Guidelines and Good Practices for Tailings Management Facilities (ECE 1326665) (Created page with "{{References Template |author= <!-- Add author/publisher below--> United Nations Economic Commission for Europe |date= <!-- Add publication year --> 2014 |picture= <!--create a file below in format File:example.png, then add picture to that file--> File:UNECE.PNG |link= <!-- Add Url to document below (To retrieve URL from a pdf, add document as a pdf file and copy link address from its page--> https://unece.org/DAM/env/documents/2014/TEIA/Publications/1326665_ECE_...")
- 15:06, 21 August 2023 [email protected] talk contribs created page File:UNECE.PNG
- 15:06, 21 August 2023 [email protected] talk contribs uploaded File:UNECE.PNG
- 01:09, 16 August 2023 [email protected] talk contribs created page Stability During an Earthquake (Created page with "__NOTOC__ Category:Geotechnical Geology ---- {{Picture <!-- Add image file name (ex.image.jpg) --> |image= Earthquake_Damaged_Dam.jpg <!--Add link if applicable --> |link= <!-- Add picture caption --> |caption= Aerial view of the Lower Van Norman Dam after significant earthquake damage. (Image Source: [https://commons.wikimedia.org/wiki/File:Earthquake_Damaged_Dam_(22190042935).jpg Wikimedia]) }} <!-- Delete any sections that are not necessary to your topic. Ad...")
- 01:09, 16 August 2023 [email protected] talk contribs created page Seepage Analysis Boundary Conditions (Created page with "__NOTOC__ Category:Seepage Analysis Seepage analysis boundary conditions for dams are essential in evaluating the hydraulic behavior and potential risks associated with water flow through dam structures. Properly defining these boundary conditions is crucial for accurate modeling and prediction of seepage patterns, ensuring the stability and integrity of the dam. When establishing seepage analysis boundary conditions, engineers consider sev...")
- 01:08, 16 August 2023 [email protected] talk contribs created page Decommissioning Tailings Dams (Created page with "__NOTOC__ Category:Tailings Dams ---- Decommissioning tailings dams is a critical process that involves the removal of tailings, restoration of the surrounding environment, and the implementation of long-term safety measures. The first step in decommissioning a tailings dam is the removal and relocation of the stored tailings. Often, these materials are removed to a third-party site and treated. After removal, reclamation begins, includin...")
- 01:08, 16 August 2023 [email protected] talk contribs created page Design and Construction of Tailings Dams (Created page with "__NOTOC__ Category:Tailings Dams ---- {{Picture <!-- Add image file name (ex.image.jpg) --> |image= Sunokobashi_Tailings_Dam_1976.jpg <!--Add link if applicable --> |link= <!-- Add picture caption --> |caption= Aerial view of the Sunokobashi Tailings Dam. (Image Source: [https://mapps.gsi.go.jp/maplibSearch.do#1 Copyright © National Land Image Information]) }} Tailings dams are essential engineering structures designed to store and manage...")
- 01:04, 16 August 2023 [email protected] talk contribs created page Mode Superposition (Created page with "<!-- Delete any sections that are not necessary to your topic. Add pictures/sections as needed --> __NOTOC__ Category:Dynamic Analysis ---- <!-- Introductory paragraph or topic page summary --> Mode superposition is a widely used method in dam engineering to analyze the dynamic response of structures under seismic loading. It involves decomposing the complex dynamic behavior of a dam into simpler modes of vibration, allowing engineers to evaluate the resp...")
- 01:03, 16 August 2023 [email protected] talk contribs created page Earthquake loading (Created page with "Category:Seismic ---- As earthquakes pose a significant threat to infrastructure, dams must be designed to withstand seismic forces, and their construction and operation must account for earthquake loading to ensure the safety of nearby communities and the integrity of the structure. The first step in assessing earthquake loading for dams is to understand the seismic hazards of the region. Engineers must study local earthquake records, geological surve...")
- 01:03, 16 August 2023 [email protected] talk contribs created page Soil Foundations (Created page with "__NOTOC__ Category:Foundation Evaluation ---- {{Picture <!-- Add image file name (ex.image.jpg) --> |image= Embankment_in_construction.jpg <!--Add link if applicable --> |link= <!-- Add picture caption --> |caption= Soil foundation and embankment in construction in Palashbari, India. (Image Source: [https://commons.wikimedia.org/wiki/File:Embankment_in_construction_DSC00705.jpg Wikimedia]) }} <!-- Delete any sections that are not necessary to your topic. Add pi...")
- 02:11, 3 August 2023 [email protected] talk contribs created page Stability During and at the End of Construction (Created page with ""Computations of stability during construction and at the end of construction are performed using drained strengths in free-draining materials and undrained strengths in materials that drain slowly. Consolidation analyses can be used to determine what degree of drainage may develop during the construction period. As a rough guideline, materials with values of permeability greater than 10-4 cm/sec usually will be fully drained throughout construction. Materials wi...")
- 02:11, 3 August 2023 [email protected] talk contribs created page Stability During Steady State Seepage Conditions (Created page with ""Long-term stability computations are performed for conditions that will exist a sufficient length of time after construction for steady-state seepage or hydrostatic conditions to develop. (Hydrostatic conditions are a special case of steady-state seepage, in which there is no flow.) Stability computations are performed using shear strengths expressed in terms of effective stresses, with pore pressures appropriate for the long-term condition." <ref> https://www.p...")
- 02:11, 3 August 2023 [email protected] talk contribs created page Stability During Sudden Drawdown (Created page with ""Sudden drawdown stability computations are performed for conditions occurring when the water level adjacent to the slope is lowered rapidly. For analysis purposes, it is assumed that drawdown is very fast, and no drainage occurs in materials with low permeability; thus the term “sudden” drawdown. Materials with values of permeability greater than 10-4 cm/sec can be assumed to drain during drawdown, and drained strengths are used for these materials." <ref> https...")
- 19:17, 2 August 2023 [email protected] talk contribs created page Shape Array (Created page with "__NOTOC__ Category:Movement Rotation or Horizontal Movement ---- A shape array, also known as a deformation monitoring array, is a vital tool used in the geotechnical monitoring of dams. It consists of a network of sensors strategically placed on or within the dam structure to measure and monitor deformation and movement over time. The array provides valuable insights into the behavior and performance of the dam, helping engineers assess its stability and integri...")
- 19:11, 2 August 2023 [email protected] talk contribs created page File:InstrumentationandMonitoring.png
- 19:11, 2 August 2023 [email protected] talk contribs uploaded File:InstrumentationandMonitoring.png
- 18:56, 2 August 2023 [email protected] talk contribs created page Orifice Flow (Created page with "__NOTOC__ Category:Hydraulics ---- The primary objective of orifice flow in dams is to control the discharge of water from the reservoir. This controlled release serves several purposes, including flood management, downstream flow regulation, sediment flushing, and hydropower generation. By regulating the flow through orifices, engineers can ensure the safety of downstream communities, maintain ecological balance, and maximize the utilization of w...")