Problem 4. A tension member made of plate 12x1/2 is connected to a % inch thick gusset plate with bolts as shown in the figure. Bolt diameter is 1 inch. Both tension member and gusset plate are made of Grade 50 steel. (a) Find the net and effective areas of tension member. (b) Identify the maximum factored axial load that the tension member can carry. dolt 4@2inch 8 inch 4@2.5inch=10 inch PL 12x1/2 Cross section

Problem 4. A tension member made of plate 12x1/2 is connected to a % inch thick gusset plate with bolts as shown in the figure. Bolt diameter is 1 inch. Both tension member and gusset plate are made of Grade 50 steel. (a) Find the net and effective areas of tension member. (b) Identify the maximum factored axial load that the tension member can carry. dolt 4@2inch 8 inch 4@2.5inch=10 inch PL 12x1/2 Cross section

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

4. An UPE 300 is to be used as a tension member and it is bolted to a 10mm thick gusset plate with bearing type 8-M20 8.8 bolts as shown in the figure below. a. Check all spacing and edge distance requirements. b. Compute the allowable tensile strength of the channel UPE 300. Don't consider shear strength of the bolts and bearing strength of the bolt holes. [all dimensions are in mm] Material both for gusset plate and UPE 300: S275 F-275N/mm² Fu=430N/mm² UPE 300 Ag = 5660 mm² tw 9.5 mm x = 28.9 mm 70 160 70 + 10mm thick gusset plate +50+ 80 -80-80-50 o +50+80 -80 80-50 UPE 300
PROBLEM 7. Determine the largest load P that can be applied the plate and bolts. The bolt has a diameter of 12 mm and an allowable shear stress of 80 MPa. Each plate has an allowable tensile stress of 60 MPa, an allowable bearing stress of 70 MPa, and an allowable shear stress of 30 MPa. Answer: P = 25 kips (controls) P/2 P/2 30 mm- 15 mm P 30 mm
A C8 x 11.5 is connected to a gusset plate with 7/8-inch-diameter bolts as shown in Figure P3.2-3. The steel is A572 Grade 50. If the member is subjected to dead load and live load only, what is the total service load capacity if the live-to-dead load ratio is 3? Assume that A = 0.85A,,. C8 × 11.5
A flanged bolt coupling consists of 6 - 12 mm - diameter bolts on a bolt circle of 320 mm in diameter. Compute the number of additional 10 mm - diameter bolts on a bolt circle 200 mm in diameter to increase the torque capacity to 7.65 kNm. The shearing stress of the bolts should not exceed 60 MPa. Select one: O a. 6 bolts O b. 4 bolts O c. 3 bolts O d. 2 bolts NEXT PAGE
The tension member shown is an L150 × 87.5 × 8. The bolts are 19 mm in diameter. If A36 steel is used, is the member adequate for a service dead load of 138 kN and a service live load of 138 kN? a. Use LRFD. b. Use ASD. 50 37.5 37.5 37.5 56.25 62.5
Considering the following steel connection. The plates in Pink are 9mm steel plates. The middle plate (Yellow) is 18mm thick. The width of the plate is 100mm. The maximum allowable tension stresses on any of the plates is 100Mpa in Gross Area Yielding and 150 Mpa for Net Area or Tension Rupture. The bolts used are 8mm in diameter, the holes are 10mm in diameter, no need to add 1.6mm. The bolts allow a maximum of 280 Mpa of shear. Determine the maximum allowable "P" of the connection in kN.
5. a bolted lap joint shown in the figure below. The bolts are 20m in diameter in 23 mm holes. The plates are 12m thick X350 Allowable stress of Plates: Tenaion in gross area0.60Fy Tension in net area0.50 Fu Shear on Net Area 0.30Fu Yield Strength of plate, Fy 248 Npa Ultinate tensile strength of Plate. Fu400 Mpa x, Find the safe load P based on a- Gross area yielding b. net area rapture c. block shear 2 of 3
Determine the design tensile strength of plate (200x8 mm) connected to 10-mm thick gusset using 20 mm bolts as shown in the figure, if the yield and the ultimate stress of the steel used are 250 MPa and 410 MPa, respectively. Add 1mm around the bolt for the hole. Use LRFD method. Plate 8-mm thick 2 3 40+ 30 301 T 200 mm Gusset 10-mm thick 3af 30 2_3 *40 40+ 50,54 +40
A bolted connection shown consists of two plates 300mm x12mm connected by 4 - 22 mm diameter bolts. Edge distances = 75mm dhole for tensile and rupture = db + 3 mm dhole for bearing strength for Lc = db + 1.5 mm Fy = 248 Mpa Fu = 400 Mpa Fn = 330 Mpa Use LRFD design method. Determine the design strength due to the gross yielding of plates. (kN)
FIGURE 3.3 A ¹/2 x 5 plate of A36 steel is used as a tension member. It is connected to a gus- set plate with four 5/8-inch-diameter bolts as shown in Figure 3.3. Assume that the effective net area A, equals the actual net area A,, (we cover computation of effec- tive net area in Section 3.3). a. What is the design strength for LRFD? O Gusset PL O O PL 2 X 5 5/-in.-diameter bolts 1/2 in. 1 Section in. + 1/8 in. in.
= 410 N/mm? 8.20 A column section ISHB 300 @ 618 N/m (f, mand f, = 250 N/mm") is to be spliced. The factored design loads are: %3D Axial load over the column 450 kN Shear force 100 kN Bending moment (a) Design the splice plates and bolted connections using bolts of grade 4.6. (b) Design HSFG bolts and revise the splice plate size if possible. 30 kNm
A 16 mm thick tension member is connected by two 6.25 mm spliced plates as shown. The tension member carries a service loads of dead load of 110 kN and a live load of 100 kN. 40, 80 , 40 , 40, 80 40 1625 mm 16 mm 1625 mm Fy 248 MPa Fu = 400 MPa Diam. of bolts = 16 mm Fnv = 300 MPa O Determine the nominal strength for one bolt due to shear. O Determine the nominal strength for one bolt due to bearing strength of the connection. ® Determine the number of bolts required for the connection.