Javier Encinas, PE

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So far Javier Encinas, PE has created 56 blog entries.

How to Design Shear Connections Using ASDIP STEEL

By: Javier Encinas, PE | February 13, 2017 ASDIP STEEL is a structural engineering software for design of steel members and connections. ASDIP STEEL software includes the design of shear connections based on the AISC 360 provisions. Following is a graphical overview of the required design steps, with annotated screenshots of the software. Click To Enlarge Select the connection type: single or double angle, single plate, or tee. Support can be either column flange or web, and beam web. Select support and beam sections from the AISC built-in database. If beam is [...]

By | February 13th, 2017|Categories: Structural Steel Design|Tags: |0 Comments

Structural Steel Design: ASDIP STEEL (Version 4) Release

By: Javier Encinas, PE | January 31, 2017 ASDIP Structural Software announces the release of the new version of ASDIP STEEL (Version 4) engineering software. Design professionals utilize ASDIP STEEL software for the design of steel members and connections. Following are some of the most important features included in this version 4. What modules are included in ASDIP STEEL 4? This new version includes the following 4 modules: Base plate / Anchorage - Design of column base plates, anchor rods, and shear lugs. Now it includes ACI / AISC Seismic Provisions. Steel column - Design of biaxial sway or [...]

By | January 31st, 2017|Categories: Structural Steel Design|Tags: |0 Comments

Shear Connections: Overview of the Design Process

By: Javier Encinas, PE | January 24, 2017 Shear connections are typically used to connect beams to other beams or columns. Such connections transfer shear, with minimum rotational restraint, as opposed to moment connections. This article is an overview of the AISC provisions for the design of shear connections. Our software ASDIP STEEL will be used to support the discussion. What are the components of a shear connection? A typical shear connection is composed of three parts: support, connector, and beam. The support may be another beam or girder, a column flange, or a column web. The connector may [...]

By | January 24th, 2017|Categories: Structural Steel Design|Tags: , , |0 Comments

Cantilever Retaining Walls: How to Calculate the Overturning Safety Factor

By: Javier Encinas, PE | January 15, 2017 A retaining wall is a structure exposed to lateral pressures from the retained soil plus any other surcharges and external loads. All overall stability failure modes must be thoroughly checked, but cantilever walls may be particularly sensitive to overturning problems. This article discusses the overturning calculations in either concrete or masonry cantilever retaining walls. Our software ASDIP RETAIN will be used to support the discussion. A typical retaining wall is composed of four main components: the Stem, the Toe at the front of the wall, the Heel at the backfill side, and [...]

Anchor Rod Design: Overview of the ACI Seismic Provisions

By: Javier Encinas, PE | January 9, 2017 The seismic design of anchor rods is included in the ACI 318 code, originally in the Appendix D of the ACI 318-11 and earlier, and now in the Chapter 17 of the ACI 318-14. This document is an overview of the ACI 318 seismic provisions that affect the design of anchor rods. The anchor rods are usually subjected to a combination of tension and shear forces. The ACI treats separately tension and shear, and then it combines both effects in an interaction diagram. The seismic provisions apply to anchors in structures assigned to [...]

By | January 9th, 2017|Categories: Anchor Rods|Tags: , |0 Comments

Bearing Walls Under Out-of-Plane Loads: A Design Overview

By: Javier Encinas, PE | December 13, 2016 Bearing walls are structural compression members which also may resist out-of-plane lateral loads. The resulting moments are referred to as weak-axis bending. A tilt-up wall panel exposed to wind is an example of this type of wall. Per ACI 318-14, bearing walls may be designed as compression members using the strength design provisions for flexure and axial loads, like columns. Wall design is further complicated by the fact that slenderness is a consideration in practically all cases. This document covers the design process of this type of concrete walls. Our [...]

By | December 13th, 2016|Categories: Structural Concrete Design|Tags: |0 Comments

Restrained Retaining Walls: A Design Overview

By: Javier Encinas, PE | November 30, 2016 Retaining walls are structures designed to bound soils between two different elevations. A retaining wall is then mainly exposed to lateral pressures from the retained soil plus any other surcharge. Many retaining walls are cantilever-type, but it's also common to find in practice walls that are laterally restrained at the top, such as in the case of basement walls supported laterally by an elevated floor slab. This article discusses the design of either concrete or masonry top restrained retaining walls. Our software ASDIP RETAIN will be used to support our discussion. A [...]

By | November 30th, 2016|Categories: Retaining Wall Design|Tags: |3 Comments

Anchor Rod Design – The Complex ACI Provisions (Part 2)

By: Javier Encinas | November 7, 2016 The design of anchor rods has become more complex with the development of the ACI 318 anchorage provisions. This is the second part of our post regarding the design of anchor rods. In the first part we covered the ACI provisions for the design of anchor rods in tension. Now we will cover the design of anchor rods in shear, as well as the tension-shear interaction. Our software ASDIP Steel will be used to support our discussion. How do you calculate the shear in anchor rods? The lateral forces acting on a structure [...]

By | November 6th, 2016|Categories: Anchor Rods|Tags: , |1 Comment

Anchor Rod Design – The Complex ACI Provisions (Part 1)

By: Javier Encinas | October 2, 2016 The design of anchor rods has become complex and cumbersome with the development of the ACI 318 provisions, originally in the Appendix D of the ACI 318-11 and earlier, and now in the Chapter 17 of the ACI 318-14. This document covers the required steps in the process of the design of the cast-in anchor rods normally encountered in column base plates. The anchor rods are usually subjected to a combination of tension and shear forces. The ACI treats separately tension and shear, and then it combines both effects in an interaction diagram. [...]

By | October 2nd, 2016|Categories: Anchor Rods|Tags: , |2 Comments

How to Design Cantilever Retaining Walls Using ASDIP RETAIN

By: Javier Encinas, PE | September 13, 2016 ASDIP RETAIN is structural engineering software for design of retaining walls. ASDIP RETAIN software includes the design of either concrete or masonry cantilever retaining walls based on the latest ACI 318 and MSJC provisions. Following is an overview of the steps required to design cantilever retaining walls using ASDIP RETAIN. Click To Enlarge Select the stem material, either concrete or masonry. ASDIP RETAIN will adjust the input fields accordingly. Enter the wall and footing dimensions in the Geometry tab. Select the stem taper side, if any. [...]

By | September 13th, 2016|Categories: Retaining Wall Design|Tags: |0 Comments