The clear version of the atlas has been sent. Please accept it after checking. Thank you. Wxtjtsy
The differences are as follows:
Now, the differences between 13G111-1 Atlas and 14G111-4 Atlas (hereinafter referred to as the old atlas) and 11G111-1 Atlas (hereinafter referred to as the new atlas) are briefly summarized, with a total of 111 items, which are only for the purpose of attracting jade and dispelling doubts, and the time is in a hurry. Please correct me if there are any mistakes. Please indicate the source when reposting or copying this post.
1. The old atlas is based on the 2112 edition of Concrete Rules, the 2111 edition of Anti-Gauge and the 2112 edition of High Gauge, and the new atlas is based on the 2111 edition of Concrete Rules, the 2111 edition of Anti-Gauge and the 2111 edition of High Gauge.
2. There are six old atlas I * * *, and the new atlas is integrated into three.
3. There are 11 kinds of wall columns in the old atlas, and the wall columns in the new atlas are divided into 4 categories (still 11 kinds).
4. In the old atlas, only one spacing was marked for shear wall lacing, but in the new atlas, two spacing needs to be marked, and the schematic diagram of bidirectional lacing and plum blossom bidirectional lacing should be added.
5. The anchorage of beam reinforcement in the bearing is designed according to the hinge design and the tensile strength of reinforcement. The design of the old atlas should be changed according to the provisions of the Code, and the designer should indicate the new atlas.
6. There are 4 types of old atlas boards and 3 types of new atlas boards, and the extension cantilever board YXB is cancelled.
7. There is no concealed beam AL component in the flat slab of the old atlas, and AL component is added in the flat slab of the new atlas.
8. The old atlas didn't distinguish between the plate end bearings according to the hinge design or the design according to the full use of the tensile strength of steel bars. The new atlas did distinguish and stipulated that the design should be indicated.
9. There are 13 structural types related to the old atlas slab and 11 structural types related to the new atlas slab, and the slab overhang TY and the additional rib Cis of the overhanging internal corner are cancelled.
11. The anchorage length of the old atLas is divided into the minimum anchorage length La of tensile reinforcement and the anti-seismic anchorage length Lae of tensile reinforcement. The anchorage length of the new atlas is based on the basic anchorage length Lab, and the anchorage length la and anti-seismic anchorage length Lae of tensile reinforcement are calculated through the correction coefficient.
11. There is only one environmental category 3 in the old atlas, and there are two environmental categories 3 A and 3 B in the new atlas.
12. The protective layer of the old atlas is the protective layer of the stressed steel bar, and the protective layer of the new atlas is the protective layer of the outermost steel bar. When the concrete strength grade is not greater than C25, the protective layer value in the atlas should be increased by 5.
13. The protective layer of the old atlas is affected by the strength of concrete, while the new atlas is not.
14. There are three types of mechanical anchorage in the old atlas, and the new atlas has been increased to six types.
15. There is no reinforcement structure in the old atlas, and reinforcement structure is added in the new atlas.
16. The lacing of the old atlas should hook the longitudinal reinforcement and stirrup at the same time, and the three methods given in the new atlas are specified by the design.
17. The top surface of the foundation and the details of the embedded parts in the old atlas are not divided together. The new atlas respectively indicates that when the top surface of the foundation and the embedded parts are not in the same position, the unconnected area of the longitudinal reinforcement of the column above the top surface of the foundation is changed from Hn/3 to Hn/6 and Hc and 511, and it is stipulated that the location of the embedded parts should be indicated in the design.
18, the top structure of corner columns, the old atlas will represent the beams and columns separately, and the new atlas will adopt the combined form.
19. Anchorage joint with variable cross-section of column floor. The old atlas is bent into 211, and the total bending length of the new atlas is 12d(Lae, La).
21. Anchorage of column on the wall. The old atlas is anchored by 1.6Lae and overlapped by 5d, and the new atlas is anchored by 1.2Lae and bent by 151mm.
21. The concept of small wall limb. In the old atlas, the length of wall limb is not more than 3 times of wall thickness, while in the new edition of "High Code", the length of wall limb is not more than 4 times of wall thickness (the concept of short-leg shear wall, in the old edition, the ratio of section height to thickness is within 5 to 8, and in the new edition, the ratio of section height to thickness is within 4 to 8, and the wall thickness is not more than 311mm).
22. In the old drawing set, there is no node structure with lower column rebar diameter larger than that of upper column rebar. In the new drawing set, the node structure with lower column rebar diameter larger than that of upper column rebar is added.
23. Anchorage at the top of the column. The old atlas has three nodes, and the new atlas adds anchor head (anchor plate) structural nodes.
24. The joint of concealed column at the end of shear wall, the horizontal reinforcement of shear wall body, the old atlas is bent for 15d, and the new atlas is bent for 11d.
25. The horizontal steel bars of the shear wall body are staggered and overlapped. The corner of the outer wall of the old atlas is 1.2Lae, while the other positions are Lle, and the new atlas is unified as 1.2LAE..
26. The steel bar structure of corner wall has only one node in the old atlas, and the new atlas has three nodes.
27. The horizontal rib structure of the wall body has few legends in the old atlas, and a page of structural details has been added in the new atlas.
28. The longitudinal reinforcement structure at the top of the wall body. Lae is added to the bottom of the plate in the old atlas, and bending 12d is added in the new atlas.
29. The longitudinal reinforcement structure at the top of the wall body. In the old atlas, there was no node between the wall body and the frame beam, and the Lae node of the wall anchored into the frame beam was added in the new atlas.
31. The longitudinal reinforcement structure at the top of the wall body. In the old atlas, there is no dowel anchorage node of the wall body in the coupling beam, but in the new atlas, the dowel anchorage node of the wall body in the coupling beam is added.
31, shear wall variable cross section, the old atlas did not indicate the bending length that does not extend into the upper reinforcement, and the new atlas stipulated 12d.
32. When the lap steel bars of Grade III and IV seismic shear walls are round steel, the old atlas stipulates that 5d straight hooks can be made, but the new atlas does not.
33. The longitudinal bars of the shear wall can be overlapped at the same position. When the diameter of the old atlas is less than 28 for seismic or non-seismic purposes of Grade III and IV, the restriction of diameter of 28 will be cancelled in the new atlas, and the first and second seismic non-bottom reinforcement parts will be added.
34. The horizontal reinforcement of shear wall is included in the volume stirrup ratio of restrained edge members, but the old atlas is absent and the new atlas is added.
35. For the vertical steel bar connection structure of shear wall edge members, the old atlas distinguishes between constraint members and structural members, in which the lap joint is calculated as 1.2Lae, while the new atlas does not distinguish, and the lap joint is calculated as Lle.
36. When the edge component is lifted from the shear wall, the anchoring method of the edge component in the shear wall is not available in the old atlas, but the new atlas stipulates that the anchoring is 1.2Lae.
37. The closed position of coupling beam stirrups can be located in any corner as stipulated in the old atlas, but there is no provision in the new atlas.
38. Stirrups are set in the middle bearing of the double-hole coupling beam, which was not specified in the old atlas, but stipulated in the new atlas.
39. The lateral reinforcement of coupling beam is the horizontal reinforcement of shear wall, which is stipulated in the old atlas, but not in the new atlas.
41. When the end bearing of the coupling beam is a small wall limb, the old atlas stipulates that the longitudinal reinforcement of the frame beam shall be anchored, but the new atlas does not.
41. When the bearing at the end of the coupling beam is a frame column, there is no node in the old atlas, and the new atlas shall be based on the frame node.
42. When the concealed beam and the coupling beam overlap, the steel bar structure, the old atlas has no nodes, and the new atlas stipulates that the longitudinal bar of the concealed beam (additional longitudinal bar of the coupling beam) extends into each side of the wall with max(Lae, 611).
43. The coupling beam is concealed, with two nodes in the old atlas and three nodes in the new atlas (the regulation of Lae value of tube-in-tube structure is added, and the regulation of stirrup structure of concealed brace is modified).
44. The anchorage length of concealed support of coupling beam is Lae in the old atlas and Lae in the new atlas, which is greater than 611.
45. The length of the concealed stirrup encryption zone is 611mm in the old atlas, but there is no provision in the new atlas.
46. Wall hole reinforcement. The round hole in the old atlas has only more than 311 nodes, and the new atlas has changed to more than 311 to 811,811 structures.
47. The anchor nodes at the end of the beam of the floor frame are the same in the old atlas, but in the new atlas, the anchor nodes at the bottom are modified to "extend to the inside of the hook section of the upper longitudinal bar of the beam or the inside of the longitudinal bar outside the column".
48. The beam end bearing of the floor frame is anchored with anchor head (anchor plate) and the lower reinforcement of the middle node beam is overlapped outside the node. The old atlas has none, but the new atlas has.
49. The anchorage node of the non-frame beam end support anchors the straight section, and the old atlas is greater than or equal to 1.4Lae, and the new atlas is in two cases, which shall be specified by the design.
51. When the end bearings of non-frame beams are columns, shear walls, frame-supported beams and deep beams, the length of negative reinforcement extending into the bearings in the old atlas is Ln/3, and it is not clear whether the stirrups are encrypted. The design indicates that the new atlas distinguishes between the two situations, and stirrups should be encrypted.
51. The reinforcement at the bottom of the non-frame beam is anchored by La. In the old atlas, the curved non-frame beam is pressed by La, and in the new atlas, when the beam is equipped with twisted longitudinal reinforcement, it is pressed by La.
52. A is less than or equal to 211 in the longitudinal structural reinforcement and lacing structure of the beam side. The old atlas A is calculated from the bottom of the beam, and the new atlas is calculated from the bottom of the beam.
53. Additional reinforcement spacing of primary and secondary beams. The spacing specified in the old atlas is 8d and less than or equal to the normal spacing, and it should be less than or equal to 111 when encrypting. There is no provision in the new atlas, which only indicates that the reinforcement value is marked by the design.
54. The structure of folded beam reinforcement is not available in the old atlas, but available in the new atlas.
55. Anchorage of bottom reinforcement of pure cantilever beam. The old atlas is 12d, and the new atlas is 15d.
56. The steel bar structure of the second row of cantilever beams is 1.75l in the old atlas and 1.75l plus bending in the new atlas.
57. Details of cantilever beam nodes. The old atlas has three nodes, and the new atlas has seven nodes, adding the cantilever beam structure of the roof layer.
58. The anchorage of shear wall in frame-supported beam is calculated according to the bending at the bottom of the frame-supported beam in the old atlas, the wall body in the new atlas is calculated according to the anchorage Lae, and the edge member is calculated according to the anchorage of 1.2Lae.
59. Bending the anchor when there is not enough direct anchor for the steel bar on the side of the frame-supported beam, the requirement of the old atlas is greater than or equal to 1.4Lae plus 15d, and the new atlas is the same, and the total anchorage length is increased to be greater than the requirement of Lae.
61. For the cross beam, the stipulation of the old atlas for the straight section of the bending anchor is not less than 1.4La. The new atlas distinguishes between "when the design is hinged" and "when the tensile strength of steel bars is fully utilized", which is specifically specified by the design, and some structural descriptions are added.
61. The bending length of the upper non-penetrating rib in the plate is a, which is stipulated in the old atlas as a=h-15, but not in the new atlas.
62. Anchorage structure of plate reinforcement end bearings (bearings are beams, shear walls and ring beams). In the old atlas, the total anchor length is La, and in the new atlas, the limited straight section length plus 15d hook is added.
63. Anchorage structure of plate reinforcement end bearing (bearing is masonry wall). The bottom reinforcement of the old atlas is greater than 1.21 and greater than H, and the gluten is the same as the bottom reinforcement and hook is added. The bottom reinforcement of the new atlas is greater than 1.21 and greater than H and greater than wall thickness /2, and the gluten is the same as the bottom reinforcement and the straight section is increased by more than 1.35Lab, and the hook vertical section is increased by 1.5d..
64. The anchorage length of tensile reinforcement shall not be less than 251mm in the old atlas and 211mm in the new atlas.
65. Crack-resistant structural reinforcement, temperature-resistant reinforcement, distribution reinforcement itself and interrelated structures; There is no old atlas, and the new atlas is newly added.
66. The ends of steel bars on the cantilever slab are hooked, and the old atlas is extended to the bottom of slab with 5d horizontal hook, and the new atlas is extended to the end of slab with vertical hook.
67. The reinforcement structure of folded plate is absent from the old atlas, and the new atlas is added.
68. The plate flanging structure, the old atlas has been bent many times, and the new atlas adopts multiple steel bars, and each steel bar is bent twice at most.
69. There is no edge-sealing structure at the end of the supporting plate, and the old atlas is absent, and the new atlas is added.
71. Structure of steel bar with end bearing of plate and strip. In the old atlas, the total anchorage length is La, and in the new atlas, the length of straight section is limited and 15d hook is added.
71. The reinforcement structure of concealed beam in slab is absent from the old atlas, and the new atlas is added.
72. Steel structure of post-cast strip. In the old atlas, 51% overlapping reinforcement structure and 111% overlapping reinforcement structure were distinguished, while in the new atlas, 111% overlapping reinforcement structure and beam-slab wall components were distinguished.
73. Local lifting plate structure III. The steel bars of the old atlas pass continuously, and the new atlas is cancelled.
74. Plate-hole stiffener structure II. The old atlas had diagonal stiffeners, but the new atlas was cancelled and circumferential stiffeners were added.
75. Anchorage of plate radial rib bearing is not specified in the old atlas, but the length of straight section and vertical section is specified in the new atlas.
76. Anchorage of column cap reinforcement. The old atlas is Lae(La), and the new atlas has 15d hook regulation.
77. The basement exterior wall is capped. In the old atlas, Lae was added from the bottom of the slab and extended to the top of the slab for 15d. In the new atlas, there are two structures: simply supported support and elastic embedded support.
78. Types of steel bars. The old atlas mainly includes four kinds of hot-rolled steel bars of HPB235, HRB335, HRB411 and RRB411. The new atlas mainly includes five kinds of steel bars of HPB311, HRB335, HRB411, RRB411 and HRB511, and HRBF335 and HRBF411 are added.
79. The upper limit range of concrete strength in anchorage length is C41 in the old atlas and C61 in the new atlas.
81. Stirrups in longitudinal reinforcement lap joint area are encrypted, and the old atlas stipulates that the encryption is less than or equal to 5d and less than or equal to 111mm, while the new atlas stipulates the same, and increases the stipulation that the stirrup diameter is not less than d/4, and increases the stipulation that two stirrups are set within 111 range outside the end face of lap joint when the diameter of compression reinforcement is greater than 25.
81. The beam is added with axils. The old atlas is added with vertical axils, and the new atlas is added with horizontal axils.
82. Weld the closed hoop. The old atlas is not available, but the new atlas is added.
83. When two specifications are adopted for the plate through ribs, there is no drawing rule in the old atlas, and the new atlas is stipulated to be expressed in the form of Axx/yy@xxx.
84. Description of environmental category conditions. The old atlas is the content of the 2112 edition specification, and the new atlas is the content of the 2111 edition specification.
85. The mechanical anchorage length is 1.7Lae in the old atlas and 61% of the basic anchorage length in the new atlas.
86. Stirrups are set within the range of mechanical anchorage length, which is stipulated in the old atlas, but not in the new atlas.
87. Non-contact overlapping structure of slab longitudinal reinforcement. The old atlas has two nodes, but the new atlas only keeps the staggered overlapping structure and cancels the bending overlapping structure.
88. Schematic diagram of reinforcement of one-way (two-way) slab. The old atlas is absent, and the new atlas is newly added.
89. The spacing of punching stirrup of flat slab is less than or equal to h1/3 in the old atlas, and it is the same in the new atlas, and it is increased to less than or equal to 111.
91. Bending steel bar for punching shear resistance of flat slab is stipulated in the old atlas to be 45 degrees, and it is stipulated in the new atlas to be 31 to 45 degrees, and the intersection point of the inclined section of bending steel bar and the inclined section damaged by punching shear should fall within the specified range.
91. The anchorage length of column steel dowel on column variable cross-section joints is 1.5Lae in the old atlas and 1.2Lae in the new atlas.
92, column stirrup full height encryption, the old atlas stipulates that short column stirrup full height encryption with Hn/Hc less than or equal to 4, and the new atlas is the same as this regulation, and the regulation of stirrup full height encryption is added when the thickness of rectangular small wall limb is not more than 311.
93. Composite stirrups. It is stipulated in the old atlas that all composite stirrups in columns can be braced, but it is not stipulated in the new atlas.
94. The horizontal reinforcement structure of the horizontal variable cross-section wall is absent from the old atlas, and the new atlas is added.
95. When the cross-section height of the coupling beam is greater than 711, the old atlas has provisions that the diameter of longitudinal bars on the side is greater than or equal to 11, the spacing is less than or equal to 211, and the reinforcement ratio is greater than or equal to 1.3%, so the new atlas is cancelled.
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