Natural Existence in Cities —— Unique Charming Vertical Greening

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With the acceleration of urban industrialization, by building roofs, walls and other facilities, vertical space can be built in limited urban space for plant planting, which can make full use of space, increase the coverage of green plants and improve the bad environment. This three-dimensional greening method will become a new development trend.

Vertical greening is a common form of three-dimensional greening, which usually refers to vertical greening in building walls, bridge columns, balconies and other places by climbing, planting and hanging. According to the position and direction of flower pots, they are mainly divided into the following categories:

According to the planting mode, it can also be divided into modularization (a), paving (b), bagging (c), climbing or hanging (d), flower stand (e), tray (f) and so on.

Taking the slab-trough type as an example, its construction technology includes: cleaning and pasting waterproof board on the wall → installing V-shaped planting trough for reinforcement → installing irrigation system → filling light planting substrate → planting plants according to construction drawing → cleaning the site. Considering the overall stability and bearing capacity, the slab-trough type is suitable for landscape walls, temporary plant decoration and low walls.

? Greening Diagram and Construction Schematic Diagram of Slab Trough Wall

Selection and configuration of plants

The selection of plants should be based on the region, orientation and planting mode of the green wall, and generally refer to the following principles:

(1) are mainly evergreen ornamental plants.

It is advisable to choose varieties with beautiful leaf shape and plant shape, and properly match colorful plants and potted seasonal flowers to create a scenic atmosphere all year round.

(2) Shallow roots and fibrous roots are developed.

Due to the particularity of the green wall system, considering the feasibility and safety of construction, it is required to select plant materials with small volume and light weight, mainly low shrubs and herbs; In addition, due to the limitation of planting layer thickness, plants with shallow roots and developed fibrous roots should be selected.

(3) The growth rate and expansibility are moderate.

Plants that grow too fast are not conducive to maintaining the stability of the landscape and are not easy to manage; In addition, the rapid growth of plants will also increase the load of the green wall system. But the growth is too slow to form landscape and protection benefits. Therefore, when selecting plants, it is required that their growth speed and expansibility are moderate, and it is best to choose plants with dense branches and leaves and good covering effect.

(4) Simple maintenance and management

In the future, the selection of plants should be based on the principle of simple maintenance management (including pest control), and the plants that are tolerant to extensive management should be selected as the main ones.

Case appreciation

France Pavilion of Shanghai World Expo ▼

The design concept emphasizes "the natural existence in the city", and the overall shape of the exhibition hall is square and regular, which is the embodiment of balance. And irregular plant wall frames, pools inside and outside the exhibition hall, reflecting the beating waves ... bring "movement" to the building.

KwaZulu Natal Vertical Garden ▼

Break the neat shape of the box and create a smooth curve with arc cutting, which gives people a visual impact.

Natura towel-Lisbon ▼

Exterior wall: The garden is surrounded by the square on three sides. There is a height difference in the square, which connects the upper and lower floors of the square through two stairs, integrating various functions such as entertainment and leisure. There is no direct sunlight on the north wall, and the plants planted are shade-tolerant ferns, broad-leaved begonia, cold water spray, alocasia, etc., and then decorated with slender leaves of chlorophytum and iris to create a unique tropical style. On the sunny south wall, flowering plants such as geranium, bellflower and lantana are planted, and the colors are more gorgeous.

Indoor: The indoor green wall is divided into two parts with black slate, and some common indoor plants are used, such as green radish, phoenix tail, Anthurium andraeanum, begonia and aloe. , mainly foliage plants.

Miami Perez Art Museum ▼

The picture shows the entrance platform of the museum, where lush shade-tolerant plants are planted under a large area of sun visor. Suspended plants are a combination of many pan-tropical species.

the end

Recommended courses

Roof garden greening project

Through the study of this course, you will learn:

◆? The meaning of roof garden greening project, its significance to the city and its application in architecture;

◆? Technical requirements for floor type and floor load of roof garden;

◆? Technical requirements for planting soil and plant load in roof garden;

◆? Technical requirements and specification requirements for roof waterproofing;

◆? Technical requirements and specifications of Sedum sarmentosum roof garden.

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