| How is a welded double angle connection designed when the double a... |
The design of double-angle connections using... |
| What is the correct procedure for checking a structural steel tube |
There are two articles that have appeared in Mo... |
| For a through truss pedestrian walkway constructed of HSS members... |
The critical feature of the through-truss walkway, or "p... |
| I've noticed that the properties for HSS section... |
While preparing the HSS Conne... |
| Part 9 of the AISC LRFD Manual of Steel Construction... |
In response to Mr. Novelli's ... |
| What guidelines are available to determine the thickness and weld... |
Cap plates for HSS columns are covered in detai... |
| I have two questions. First, what is the physical meaning of the ... |
Regarding your first question, section 2.1 of t... |
| What is supposed to happen when you need through plates in each direction f... |
It's an amusing detail to say the least. Unless you're ... |
| Is it correct and permissible to use the "actual" tested yield str... |
There is no permission given in the AISC specification to use actu... |
| Technical Note: Pipe vs. Round HSS |
Keep in mind that Pipe and Round HSS are fabric... |
| For a slotted HSS/gusset plate connection...AISC recommends that t... |
There is a requirement in AISC Specif... |
| Due to architectural characteristics, I am in the process of plan-... |
(none) |
| 1.3.4. To what ASTM Specifications are hollow structural sections (HSS) ord |
ASTM A500 grade B (although ASTM A500 grade C is increasingly ver... |
| 4.1.1. Can the 2005 AISC Specification be used to design structural shapes |
Yes. AISC's 13th Edition of the Steel Manua... |
| 4.8.3. Should weep holes be used at the bottoms of Hollow Structural Sectio |
If the HSS assembly is fabricated as an airtight enclosure, weep h... |
| 5.2.2. Are through-plates always required for single-plate connections to H |
No. Sherman and Ales (1991) demonstrated that local yielding of th... |
| Question #6 in the March 2002 Steel Quiz stated that the reduct... |
Generally speaking, shear lag m... |
| A rigid support forces any beam-end rotation to take place withi... |
The Astaneh approach is empirical in that it relates obs... |
| In exterior columns, should the eccentricities resulting from the ... |
It is not a given that eccentricities such as those described need... |
| On page 6-17 of the HSS Connections Manual, a “rule of thumb... |
Section J2.2b applies only to flat-bar tension members in order to... |
| Is it true that I can take advantage of the 2000LRFD HSS... |
According to Section 1.2 of the 2000 LRFD HSS Specification (avail... |
| I have a low building in Seismic Design Category D and have run in... |
The first question that needs to be asked is "What is the... |
| Are there any types of moment resistant HSS (beam) to HSS (column)... |
(none) |
| 11.4.8. How can one determine a fire rating for a system that has not been |
Concrete encased steel columns have been "pre-qualified" by many f... |
| We are unsure if we need to use a design wall thickness of 0.93t f... |
Yes, the use of a design wall thickness of 0.93t for ERW HSS has b... |
| 1.3.8. How can shape availability be determined? |
AISC has producer listings at www.aisc.org/steelavailability... |
| 1.4.6. What is the difference between a round hollow structural section... |
Steel pipe and round HSS are manufactured to meet different ASTM s... |
| 1.4.7. What is the difference between a tube shape (TS) and hollow structure... |
Structurally, there is no difference. <a href="http://www.steel... |
| 1.4.8. What is the appropriate call out for a hollow structural section... |
Rectangular HSS are designated by the mark "HSS", overall outside ... |
| 1.4.11. Does AISC have any publications and/or software that contain shape |
AISC offers shape dimensions and properties in the... |
| 2.6.4. What are the maximum and minimum curved radii of HSS and W-shapes? |
Limits on radii of curved shapes are essentially a function of the... |
| What are the maximum and minimum curved radii of HSS and W-shapes? |
Limits on radii of curved shapes are essentially a function of the... |
| Table 4-8 in the AISCHSS Connections Manualcon... |
The following is a description of flexible supports for shear tabs... |
| 12.5.4 What structural shape is the optimal choice for beams in b |
The choice of structural members supporting a slab depends on the ... |
| 12.5.5 What types of column sections are preferred in blast-resis |
Military manuals for blast-resistant design base procedures on mat... |
| A typical lifting beam or strongback in the materials handling, cr... |
Procedures for both analysis and design of lifting beams ... |
| One of our observations is that the criteria... |
This check is intended to be made at end connections, not along th... |
| The HSS Connections Manual indicates that a sin... |
As noted in theHSS Connections Manual, the sle... |
| It seems like I increasingly have clients that want to use "recycl... |
Reuse is generally fine and the same tests a mill would run on mec... |
| Which is more economical to specify-shear tabs or through-plates w... |
Conventional shear tabs will almost surely be less expensive than ... |
| Table 4-13 (Composite HSS Compression Members) in the 3rd edition ... |
The minimum thickness expression in Section I2.1 was adopted from ... |
| We have designed a moment-resisting frame consisting of wide flang... |
The requirements for OMF in the 2002 Seismic Provisions (adopted b... |
| We are involved in the design of a roof framing system comprised o... |
Since this is a roof framing system, you are correct in referencin... |
| I know that there is a different method to use in designing the ba... |
The required base plate area of an axially loaded HSS column shoul... |
| I have HSS16x16 concrete-filled tubes. In AISC's Design Gui... |
The following general references address fire resistance of concre... |
| When designing a single-plate shear connection for a beam-to-HSS c... |
Yes, the restraints of the beam web and HSS column wall are differ... |
| I have a situation with an HSS 10x6x3/8 fitted with ... |
"It is important to properly vent hollow, overlapped, and contacti... |
| I am interested in using concrete filled HSS, but I am concerned a... |
Based on the section reference stated, it is obvious that you are ... |
| I am trying to find the torsion in an HSS 12x12. I am having diffi... |
The shear modulus of elasticity (typically designated as... |
| When welding flat surfaces to rectangular HSS, a flare-bevel situa... |
Table J2.2 is similar to the information in AWS D1.1 for convenien... |
| Are hollow structural sections available in... |
The most common grade for HSS is ASTM A500 Grade B, which... |
| While there may be some structural advantages with HSS, there seem... |
The Solutions Center contacted Farid Alfawakhiri of the American I... |
| What ASTM specification should I use for steel pipe? Should I use ... |
The AISC specification defines HSS as "square, rectangular or... |
| I was just looking up some preliminary column sizes in the 13th Ed... |
There is no prohibition for the use of W6, W5, and W4 columns, and... |
| Equation K1-10 (2005 Spec) appears to be the only check required o... |
Please refer to the top of page 10-158 in the AISC Manual, thirtee... |
| What is the recommended width tolerance of a slot in a tube struct... |
This is a welding issue covered by AWS D1.1; rather than by the AI... |
| The table User Note F1.1 lists yielding, flange local buckling, an... |
For rectangular HSS bent about the major axis, the limit state of ... |
