Patent ID: 11952728
Assignee: HANGZHOU CITY UNIVERSITY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 5:
6. The construction method for the road structure reconstructed from large-scale independent underground garage according to claim 4, wherein the step S400 comprises the following sub-steps:
S401: demolishing a part of the roof plate (4) and the frame columns (13) of the original underground garage,
S402: providing a partition wall (11), comprising: providing the partition wall (11) on a side of the settlement joint (12),
S403: providing a steel reinforced concrete sealing wall (21), wherein reconstructed partially underground garage (35) comprises the frame columns (13), the steel reinforced concrete sealing wall (21) is provided along the frame columns (13), rebars are embedded inside the frame columns (13), the floor plate (1), and the roof plate (4) to form a steel reinforcement cage (31), the upper support (37) is provided under the roof plate (4), and the lower support (30) is provided on the floor plate (1), the upper support (37) and the lower support (30) are fixedly connected to the steel reinforcement cage (31) to form the steel reinforced concrete sealing wall (21),
S404: providing the drainage hole (15), comprising: opening a hole as the drainage hole (15) on the floor plate (1),
S405: laying the graded crushed stone (2), comprising: laying the graded crushed stone (2) on a top of the floor plate (1),
S406: filling the foamed concrete (3), comprising: filling the foamed concrete (3) in layers,
S407: providing the clay layer (6), comprising: providing the clay layer (6) at the top of the foamed concrete (3),
S408: filling the slag (7) in layers, comprising: filling the slag (7) in layers on a top of the clay layer (6),
S409: burying the drainage pipeline, comprising: providing a central drainage pipeline (9) inside the slag (7), burying the longitudinal drainage pipelines (10) at both sides of the slag (7), and providing the transversal drainage pipeline (14) between the central drainage pipeline (9) and the longitudinal drainage pipelines (10),
S410: laying the road structure layer (8), comprising: laying the road structure layer (8) on the upper part of the slag (7) according to construction requirements,
S411: providing the settlement joint (12), comprising: providing the settlement joint (12) between the partially preserved garage (20) and the reconstructed partially underground garage (35), wherein the settlement joint (12) comprises foaming agent (32), laying cement mortar mixed with lost circulation material (33) on the foaming agent (32), fixedly connecting the waterstop strip (34) to the cement mortar mixed with the lost circulation material (33), fixedly connecting the waterproof membrane (5) to the top of the waterstop strip (34), and fixedly connecting wood formworks (16) to the top of the waterproof membrane (5).