Ask Question, Ask an Expert


Ask Civil Engineering Expert

There are two benchmark problems which AISC has adopted to find whether an analysis method meets the needs of a rigorous second-order analysis adequate for use in the Direct Analysis Method (DAM).  Article C2.1 in the Commentary of the Specification (pp 16.1-273 through 16.1-277) describes in detail these two benchmark problems. 

The closed form solutions for Δ max and Mmax are given on page 16.1-276 for several axial loads. Figure C-C2.2 summarizes the results for the first benchmark problem and Figure C-C2.3 summarizes the second.  Conduct second order analyses for both benchmark cases, using MASTAN or any other structural analysis software you choose. 


• Apply a uniform load of 0.2 k/ft on the first benchmark problem (in the Commentary of the Specificatiok).

• Apply a horizontal wind load of 1.0 kips on the second benchmark problem (in the Commentary of the Specificatio).

• While holding these forces constant, run a series of load cases varying the axial force from 0 kips to 450 kips in increments of 50 kips (a total of 10 load cases to run) for the first benchmark problem and from 0 kips to 200 kips in increments of 20 kips (a total of 11 load cases).

• Repeat this for a 1, 10,  and 20 element model for each of the two benchmark problems.

final output :

1. A table for each for the three models showing the load case, Δmax, Mmax, both from the computer solutions and the exact, closed form solution, and the percent difference between the solutions (the solutions should agree within 3% for moment and 5% for deflection per the article).

2. Plots of P vs. Δ and M vs. Δ  from your computer results for each of the three models.

Civil Engineering, Engineering

  • Category:- Civil Engineering
  • Reference No.:- M91771

Have any Question? 

Related Questions in Civil Engineering

Crude oil flows through a level section of the alaskan

Crude oil flows through a level section of the Alaskan pipeline at a rate of 1.6 million barrels per day (1 barrel = 42 gallons). The pipe inside diameter is 120 cm, and its roughness has a characteristic dimension of 1. ...

A short one-side closed cylindrical tube is used as a

A short, one-side closed cylindrical tube is used as a surface-radiation source, as shown in Figure Pr. 4.17. The surface (including the cylindrical tube and the circular closed end) is ideally insulated on its outside s ...

The drag on a 2-m-diameter satellite dish due to an 80 kmh

The drag on a 2-m-diameter satellite dish due to an 80 km/h wind is to be determined through wind tunnel testing on a geometrically similar 0.4-m-diameter model dish. a. At what air speed should the model test be perform ...

1 regarding the overturning of a shearwall describe the

1. Regarding the overturning of a shearwall, describe the possible vertical soil bearing pressure diagrams. Give the formulas that are used to obtain the maximum soil pressure for the two distributions. 2. Refer to Fig. ...

The airflow system in prob 760 is measured with a venturi

The airflow system in Prob. 7.60 is measured with a venturi having like dimensions as the orifice, i.e., the same pipe diameter and throat diameter. Calculate the flow rate in kg/s for the same pressure and temperature m ...

Individual assignment- urban drainage designobjectivedesign

Individual Assignment- Urban Drainage Design OBJECTIVE: Design the drainage system (cross-section of channels) for the particular rainfall and given catchment area. OUTCOMES: Design of cross section should be safe for th ...

Repeat problem p109 but use the numerals 1 2 and 4 instead

Repeat Problem P10.9, but use the numerals "1", "2" and "4", instead of the letters "T", "G" and "F". Test the trained network on each reference pattern and on noisy patterns. Discuss the sensitivity of the network. (Use ...

1 describe the construction of underlayment-grade plywood

1. Describe the construction of UNDERLAYMENT-grade plywood. How is it used in floor construction? 2. A single-layer floor system is used to support a floor dead load of 10 psf and a floor live load of 75 psf. Panels with ...

Repeat the work of widrow and hoff on a pattern recognition

Repeat the work of Widrow and Hoff on a pattern recognition problem from their classic 1960 paper [WiHo60]. They wanted to design a recognition system that would classify the six patterns shown in Figure P10.11. These pa ...

Te forces p and q act on the handles of the wrench if p

The forces P and Q act on the handles of the wrench. If P = 32 lb and Q = 36 lb, determine the combined moment of the two forces about the z-axis.

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen